Welding Test Paper 2

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welding test paper

Transcript of Welding Test Paper 2

Page 1: Welding Test Paper 2

Date: ______________________________

Name:______________________________

Batch Number: ______________________

Re: Test on welding - (Part – 1)

Direction: Read the sentences carefully inside the parenthesis and underline the correct answer.

(Multiple choice)

1) { A.) Alternating current / B.) Direct current } – an electric current that reverses its direction at regularly recurring intervals.

2) { A.) Ammeter / B.) Thermometer } – an instrument for measuring electrical current in amperes by an indicator activated by the movement of a coil in a magnetic field or by the longitudinal expansion of a wire carrying the current.

3) { A.) Arc blow / B.) Arc flow } – the deflection of an electric arc from its normal path because of magnetic forces.

4) { A.) Arc length / B.) Arc width } – the distance between the tip of the electrode and the weld puddle.

5) { A.) Arc voltage / B.) Arc amperes } – the voltage across the welding arc.

6) { A.) Arc welding / B.) Tig welding } – a group of welding processes that produces coalescence of work pieces by heating them with an arc.

7) { A.) As welded / B.) Arc welding } – pertaining to the condition of weld metal welded joints and weldments after welding, but before any subsequent thermal, mechanical or chemical treatments.

8) { A.) Backing / B.) Backstep } – a material or device placed against the backside of the joint, or at both sides of a weld in electro slag and electro gas welding, to support and retain molten weld metal.

9) { A.) Backstep Sequence / B.) Backing sequence } – a longitudinal sequence in which weld passes are made in the direction opposite to the progress of welding.

10) { A.) Base metal (material) / B.) Filler metal (material) } – the metal (material) or alloy to be welded brazed, soldered, or cut.

11) { A.) Groove / B.) Bevel } – an angular edge shape.

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12) { A.) Groove angle / B.) Bevel angle } – the angle between the bevel of a joint member of a plane perpendicular to the surface of the member.

13) { A.) Spot welding / B.) Braze welding (BW) } – a welding process that uses a filler metal with a liquidous above 450 degrees centigrade and below the solids of the base metal.

14) { A.) Braze welding / B.) Brazing (B) } – a group of welding processes that produces coalescence of materials by heating them to the brazing temperature in the presence of a filler metal having a liquids above 450 degrees centigrade and below the solids of the base metal.

15) { A.) Coaling / B.) Coalescence } – the growing together or growth into 1 body of the materials being welded.

16) { A.) Incomplete fusion / B.) Complete fusion } – fusion over the entire faces and between all adjoining welds beads.

17) { A.) Non-Coactive / B.) Coactive } – the maximum distance from the face of a concave fillet weld perpendicular to a line joining the weld toes.

18) { A.) Welding insert / B.) Consumable insert } – filler metal that is placed at the joint root before welding, and is intended to be completely fused into the joint root to become part of the weld.

19) { A.) Fuse / B.) Contactor } – a device for repeatedly establishing and interrupting an electric power circuit.

20) { A.) Cable tube / B.) Contact tube } – a device, which transfers current to a continuous electrode.

21) { A.) Convexity / B.) Root opening } – the maximum distance from the face of a convex fillet weld perpendicular to a line joining the weld toes.

22) { A.) Cracks / B.) Undercut } – a fracture type discontinuity characterized by a sharp tip and high ratio of length and width to opening displacement.

23) { A.) Crater / B.) Spatter } – a depression in the weld face at the termination of a weld bead.

24) { A.) Cylinder / B.) Tank } – a portable container used for transportation and storage of compressed gases.

25) { A.) Cylinder manifold / B.) Exhaust manifold } – a multiple header for interconnection of gas sources with distribution points.

26) { A.) Deposition rate / B.) Composition rate } – the weight of metal deposited in a unit of time.

27) { A.) Depth of fusion / B.) Lack of fusion } – the distance that fusion extends into the base metal or previous bead from the surface melted during welding.

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28) { A.) Direct current electrode negative (DCEN) / B.) - Alternating current electrode negative (DCEN) } – the arrangement of direct current arc welding lead in which the electrode is the negative pole in the work piece is the positive pole of the arc welding.

29) { A.) Direct current electrode positive (DCEP) / B.) - Alternating current electrode positive (DCEP) } – the arrangement of direct current arc welding leads in which the electrode is the positive pole and the work piece is the negative pole of the welding arc.

30) { A.) Discontinuity / B.) Continuity } – an interruption of the typical structure of a material, such a lack of homogeneity in its mechanical, or physical characteristics. A discontinuity is not a necessarily defect.

31) { A.) Clock cycle / B.) Duty cycle } – the percentage of time during an arbitrary test period that a power source or its accessories can be operated at rated output without overheating.

32) { A.) Depth preparation / B.) Edge preparation } – the preparation of the edges of the joint members, by cutting, cleaning, plating, or other means.

33) { A.) Work lead / B.) Electrode } – a component of the electrical circuit that terminates at the arc, molten conductive slags, or bases metal.

34) { A.) Angle reinforcement / B.) Face reinforcement } – weld reinforcement of the side of the joint from which welding was done.

35) { A.) Base metal / B.) Filler metal } – the metal or alloy to be added in making a welded, braze, or soldered joint.

36) { A.) Groove weld / B.) Fillet weld } – a weld of approximately triangular cross section joining two surfaces approximately at right angles to each other in a lap joint, T – joint, or corner joint.

37) { A.) Slug / B.) Flux } – a material used to hinder or prevent the formation of oxides and other undesirable substances in molten metal and solid metal surfaces, and to dissolve or otherwise facilitate the removal of such substances.

38) { A.) Arc welding / B.) Fusion, fusion welding } – the melting together of filler metal and base metal, or of base metal only, to produce a weld. See also a depth of fusion.

39) { A.) Gas tungsten arc welding (GTAW) / B.) Gas metal arc welding (GMAW) } – an arc welding process that uses an arc between a continuous filler metal electrode and the weld pole. The process is used with shielding from an externally supplied gas and without the application of pressure.

40) { A.) Metal transfer arc welding / B.) Globular transfer, arc welding } – the transfer of molten metal in large drops of a consumable electrode across the arc.

41) { A.) Groove angle / B.) Fillet angle } – the total included angle of the groove between work piece.

42) { A.) Groove radius / B.) Bevel radius } – the radius used to form the shape of a J or U groove weld.

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43) { A.) Gun, arc welding / B.) Holder arc welding } – a device used to transfer current to a continuously fed consumable electrode, guide the electrode and direct the shielding gas.

44) { A.) Hard facing / B.) Soft facing } – a surfacing variation in which surfacing metal is deposited to reduce wear.

45) { A.) Heat affected zone / B.) Heat non affected zone } – the portion of the base metal whose mechanical properties or microstructure has been altered by the heat of welding, brazing, soldering, or thermal cutting.

46) { A.) Incomplete fusion / B.) Complete fusion } – a weld discontinuity in which fusion did not occur between weld metal and fusion faces or adjoining weld beads. See also complete fusion.

47) { A.) Incomplete joint penetration / B.) Complete joint penetration } – a joint root condition in a groove weld in which metal does not extend through the joint thickness.

48) { A.) Inert gas / B.) Outer gas } – a gas normally does not combine chemically with materials.

49) { A.) Joint / B.) Corner } – the junction of members or the edges of members that are to be joined or have been joined.

50) { A.) Joint root / B.) Weld root } – that portion of a joint to be welded where the members approach closet to each other. In cross section, the joint root may be a point, a line, or an area.

51) { A.) Penetration / B.) Melt through } – visible root reinforcement produce in a joint welded from one side.

52) { A.) Close circuit voltage / B.) Open circuit voltage } – the voltage between the output terminals of the power source when no current is flowing to the torch or gun.

53) { A.) Vertical welding position / B.) Overhead welding position } – the welding position in which welding is performed from the underside of the joint.

54) { A.) Undercut / B.) Overlap } – a nonstandard term when used for incomplete fusion.

55) { A.) Edging / B.) Peening } – the mechanical working of metals using impact blows.

56) { A.) Slug / B.) Porosity } – cavity type discontinuities formed by gas entrapment during solidification or in a thermal spray deposit.

57) { A.) Preheating / B.) Post heating } – the application of heat to on assembly after welding, brazing, soldering, thermal spraying or thermal cutting.

58) { A.) Cooling / B.) Preheat } – the heat applied to the base metal or substrate to attain and maintain preheats temperature.

59) { A.) Qualification record / B.) Procedure qualification } – the demonstration that welds made by a specific procedure can meet prescribed standards.

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60) { A.) Root reinforcement / B.) Reinforcement } – weld reinforcement on the side of the joint from which welding was done. See also root reinforcement.

61) { A.) Root face / B.) Bevel face } – which portion of the groove face within the joint root.

62) { A.) Root opening / B.) Bevel angle } – a separation at the joint root between the work piece.

63) { A.) Root reinforcement / B.) Root face } – weld reinforcement opposite the side from which welding was done.

64) { A.) Short Circuiting Transfer, Arc Welding / B.) Long circuiting Transfer, Arc welding } - metal transfer in whom molten metal from consumable electrode is deposited during repeated short circuits.

What are the Welding Protective Clothing and Tools:

65.) _______________________ 70.) _______________________66.) _______________________ 71.) _______________________67.) _______________________ 72.) _______________________68.) _______________________ 73.) _______________________69.) _______________________ 74.) _______________________

Welding Safety:

There are several types of hazards that are associated with shielded metal arc welding. These do not necessarily result in serious injuries. They can also be a minor nature that can cause discomforts that irritate and reduce the efficiency of the welders.

What are the hazards in welding. What are the Equipment for Welding:

75.) ______________________________ 80.) _______________________76.) ______________________________ 81.) _______________________77.) ______________________________ 82.) _______________________78.) ______________________________ 83.) _______________________79.) ______________________________ 84.) _______________________

85.) _______________________

What are the types of Power Sources. 86.) _________________________________________________________________87.) _________________________________________________________________88.) _________________________________________________________________89.) _________________________________________________________________90.) _________________________________________________________________91.) _________________________________________________________________

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92.) { A.) Generator and Alternator Welding Machine / B.) Diesel Engine Welding Machine } - The generator can be powered by an electric motor for shop use or by an internal combustion engine gasoline, gas, or diesel for field use.

93.) { A.) Transformer Welding Machine / B.) Adaptor Welding Machine } - The transformer type-welding machine is the list expensive, lightest, and smallest of any of the different types of welders.

94.) { A.) Transformer-Rectifier Welding Machine / B.) Generator-Rectifier Welding Machine } - The previously described transformer welders provide alternating current to the arc. Some types of electrodes can be operated successfully with one direct current power.

95.) { A.) Three Phase Rectifier Welding Machine / B.) Single Phase Rectifier Welding Machine }

- Three phase rectifier-welding machines provide DC welding current to the arc. These machines operate on three-phase output power.

96.) { A.) Inverter Power Source / B.) Transformer Power Source } - In this type of power source, which uses the inverter, the power from the line is first rectified to pulsing direct current. This then goes to a high frequency oscillator or chopper, which changes the DC to high voltage, high frequency AC in the range 5 to 30 kHz.

97.) { A.) Base metal strength properties / B.) Filler metal strength properties } – identification of the base metal is required. In the cases of mild and low alloy steels, the electrodes are chosen to at least match the tensile strength of the base metal.

98.) { A.) Base metal composition / B.) Filler metal composition } – the chemical composition of the base metal must be known. Matching the chemical composition is not as important for mild steels as it is for stainless steels, low alloy, and nonferrous metals.

99.) { A.) Welding position / B.) Base metal position } – electrodes are designed to be use in specific positions. The electrodes should be chosen to match the positions of the welding to be encountered.

100.) { A.) Welding current / B.) Welding position } – covered electrodes are designed to operate on specific currents and polarity. Electrodes should be operated on their recommended current type.

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Date: ___________________________

Name: __________________________

Batch Number : __________________

Re: Test on Welding – ( Part – 2 )

Direction: Read the sentences carefully inside the parenthesis and underline the correct answer.

(Multiple choice)

1.) { A.) Base metal strength properties / B.) Welding strength properties } – identification of the base metal is required. In the cases of mild and low alloy steels, the electrodes are chosen to at least match the tensile strength of the base metal.

2.) { A. ) Welding composition / B.) Base metal composition } – the chemical composition of the base metal must be known. Matching the chemical composition is not as important for mild steels as it is for stainless steels, low alloy, and nonferrous metals.

3.) { A.) Welding position / B.) electrode position } – electrodes are designed to be use in specific positions. The electrodes should be chosen to match the positions of the welding to be encountered.

4.) { A.) Welding current / B.) welding position } – covered electrodes are designed to operate on specific currents and polarity.

5.) { A.) Welding designed and fit up / B.) Joint designed and fit up } - the electrodes should be chosen according to their penetration characteristic. For joint with no beveling or tight fit up, an electrode with a digging arc would be the best.

6.) { A.) Thickness and shape of base metal / B.) Groove and shape of base metal } – weldments may include thick sections or complex shapes that may require maximum ductility to avoid weld cracking.

7.) { A.) Service conditions and or specifications / B.) Welding conditions and or specifications } – for weldments subject to serve service condition such as low temperature, high temperature, or shock loading, the electrode that matches the base metal composition, ductility, and impact resistance properties should be used.

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8.) { A.) Welding efficiency and job condition / B.) Production efficiency and job condition } – some electrodes are designed for high deposition rates, but may be used under specific position requirements.

9.) { A.) Properties of the Weld / B.) Quality of the weld } - The properties of the weld are items such as the chemical composition, the mechanical strength and ductility, and the microstructure.

10.) { A.) Welding properties / B.) Chemical Properties } - The chemical composition of the base metal is a major factor in determining the choice of the electrodes to be used for welding.

11.) { A.) Mechanical Properties / B.) Technical properties } - The mechanical properties that are most important in the weld are the tensile strength, yield strength, elongation of area, and affect strength.

12.) { A.) Moisture / B.) Microstructure } - Weld bead showing the weld metal zone, the heat-affected zone, and the base metal zone.

13.) { A.) Metals Weldable / B.) Steel weldable } - Shielded metal arc welding may be used to weld a variety of base metals.

14.) { A.) Metals / B.) Steels } - In general, steels are classified according to the carbon content such as low carbon, medium carbon, or high carbon steels.

15.) { A.) Mild steels / B.) Carbon steels } - Mild steels are generally those steels that have low carbon content and are the most readily weldable.

16.) { A.) High Alloy Steels / B.) Low Alloy Steels } - The low alloy steels discussed here will those steels that are low carbon and have alloy additions less than 5%.

17.) { A.) Heat Treatable Steels / B.) Non-heat Treatable Steels } - The heat treatable steels are the medium and high carbon steels and medium carbon steels that have been alloyed.

18.) { A.) Manganese-Molybdenum / B.) Chromium-Molybdenum Steels } - The chromium-molybdenum steels in this section are those with alloy contents of about 6% or less.

19.) { A.) Stainless & Higher Chromium-Molybdenum Steels / B.) Mild & Lower Chromium-Molybdenum Steels } - The steels includes in this group are the higher chrome-moly steels,

martensitic stainless steels, ferritic stainless steels, and the austenitic stainless steels.

20.) { A.) Non-free Machining Steels / B.) Free Machining Steels } - Free machining steels are steel that have additions to sulfur, phosphorous, or lead in them to make these steels easier to machine.

21.) { A.) Cast Irons / B.) Mild Steels } - Many types of cast iron may be welded using shielded metal arc welding.

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22.) { A.) Blue Cast Iron / B.) Gray Cast Iron } - In gray cast iron, the graphite has a flake appearance. These flakes produce sharp notches and discontinuities, which make gray cast iron brittle.

23.) { A.) Nodular and Malleable Cast Irons / B.) Globular and Malleable Cast Iron} - In malleable cast irons, the graphite has a nearly spheroidal appearance and a nodular iron the graphite has a spheroidal appearance.

24.) { A.) Nickel and Nickel Alloys / B.) Copper and Copper Alloys } - Shielded metal arc welding is mainly used for minor repair jobs, difficult to reach fillets, or dissimilar metals when it is used to weld copper and copper alloys.

25.) { A.) Nickel and Nickel Alloys / B.) Copper and Copper Alloys } - The shielded metal arc welding process can be used to weld nickel and nickel alloys in thicknesses ranging down to about .050” (1.3 mm).

(Enumeration)

Types of Joints:Other variations of weld are possible

26.) _________________________________ 35.) __________________________________27.) _________________________________ 36.) __________________________________28.) _________________________________ 37.) __________________________________29.) _________________________________ 38.) __________________________________30.) _________________________________ 39.) __________________________________31.) _________________________________ 40.) __________________________________32.) _________________________________ 41.) __________________________________33.) _________________________________ 42.) __________________________________34.) _________________________________

Basic types of joints:

43.) ___________________________44.) ___________________________45.) ___________________________46.) ___________________________47.) ___________________________

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Weld Nomenclature (Groove Weld)

48.) { A.) Root opening / B.) Groove opening } - The separation between the members to be joined at the root of the joint.

49.) { A.) Bevel faces / B.) Root faces } - Root face adjacent to the root of the joint.

50.) { A.) Groove face / B.) Bevel face } - The surface of a member included in the groove.

51.) { A.) Groove angle / B.) Bevel angle } - The angle formed between the prepared edge of a member and a plane perpendicular to the surface of the member.

52.) { A.) Bevel angle / B.) Groove angle } - The total included angle of the groove between parts to be joined by a groove weld.

53.) { A.) Size of weld / B.) Depth of weld } - The joint penetration. The size of a groove weld and its effective throat are the same.

54.) { A.) Sizes of plate / B.) Plate thickness } - Thickness of plate welded.

Fillet Weld

55.) { A.) Actual throat of a fillet weld / B.) Visual throat of a fillet weld } - The shortest distance from the throat of the fillet weld to its face.

56.) { A.) Arm of a fillet weld / B.) Leg of a fillet weld } - The distance from the root of the joint to the toe of the fillet weld.

57.) { A.) Root of a weld / B.) Face of a weld } - The points at which the back of the weld intersects the base metal surfaces.

58.) { A.) Root of a weld / B.) Toe of a weld } - The junction between the face of a weld and the base metal.

59.) { A.) Face of weld / B.) Back of weld } - The exposed surface of a weld on the side from which the welding was done.

60.) { A.) Depth of fusion / B.) Length of fusion } - The distance that fusion extends into the base metal or previous pass from the surface melted during welding.

61.) { A.) Thickness of weld / B.) Size of weld } - Leg length of the fillet.

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Welding Test PositionsFillet Welds Position Groove Welds Position

62.) ______________________________ 66.) ________________________63.) ______________________________ 67.) ________________________64.) ______________________________ 68.) ________________________65.) ______________________________ 69.) ________________________

What are the pipe welding position Basic welding symbols – (Fillet and Groove)

70.) ______________________________ 74.) _______________________71.) ______________________________ 75.) _______________________72.) ______________________________ 76.) _______________________73.) ______________________________

What are the supplementary symbols

77.) ______________________________ 82.) ________________________78.) ______________________________ 83.) ________________________79.) ______________________________ 84.) ________________________80.) ______________________________ 85.) ________________________81.) ______________________________

What are the combination of weld symbols

86.) __________________________________________________________________87.) __________________________________________________________________88.) __________________________________________________________________89.) __________________________________________________________________

What are the specification of location and extent of fillet welds

90.) __________________________________________________________________91.) __________________________________________________________________92.) __________________________________________________________________93.) __________________________________________________________________

What are the specification of extent of welding: 94.) __________________________________________________________________95.) __________________________________________________________________96.) __________________________________________________________________97.) __________________________________________________________________

What are the weld and joint design:

98.) __________________________________________________________________99.) __________________________________________________________________

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100.) __________________________________________________________________Date: ______________________________

Name : _____________________________

ID Number (If any) : __________________

Re: Test on Welding – ( Part – 3 )

Direction: Read the sentences carefully inside the parenthesis and underline the correct answer.

(Enumeration)

What are the Typical Welding Symbols:

1.) ____________________________________________________________2.) ____________________________________________________________3.) ____________________________________________________________4.) ____________________________________________________________5.) ____________________________________________________________6.) ____________________________________________________________7.) ____________________________________________________________8.) ____________________________________________________________9.) ____________________________________________________________10.) ____________________________________________________________11.) ____________________________________________________________12.) ____________________________________________________________13.) ____________________________________________________________14.) ____________________________________________________________15.) ____________________________________________________________16.) ____________________________________________________________17.) ____________________________________________________________18.) ____________________________________________________________19.) ____________________________________________________________20.) ____________________________________________________________21.) ____________________________________________________________22.) ____________________________________________________________23.) ____________________________________________________________24.) ____________________________________________________________

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What is the following welding current below. (6 points)

Base metal Positions Root OpeningElectrode Electrode Welding Thickness RO type Diameter CurrentInch. (mm) Inch. (mm) Inch (mm)

Flat1/8 (3.2) Horizontal 0 (0) E6010 3/32 (2.4)

Flat3/16 (4.8) Horizontal 0-1/16 (0-1.6) E6010 1/8 ((3.2)

Flat 1/16 (1.6)¼ (6.4) Horizontal 3/32 (2.4) E6010 5/32 (4.0)

1/8 (3.2) VerticalOverhead 0 (0) E6010 3/32 (2.4)Vertical

3/16 (4.8) Overhead 0-1/16 (0-1.6) E6010 1/8 (3.2)Vertical 1/16 (1.6)

¼ (6.4) Overhead 3/32 (2.4) E6010 5/32 (4.0)

What are the following number of passes and welding current below. (27 points)__________________________________________________________________________________Base metal Position Number Electrode Electrode WeldingThickness of Passes Type Diameter CurrentInch. (mm) Inch. (mm)

Flat E6010 3/16 (4.8)Horizontal E6010 3/16 (4.8)

3/8 (9.5) E7018 5/32 (4.0)Vertical Up E6010 3/16 (4.8)Overhead E7018 5/32 (4.0)

Flat E6010 3/16 (4.8)Horizontal E6010 3/16 (4.8)

½ (12.7) E7018 5/32 (4.0)Vertical E6010 3/16 (4.8)Overhead E7018 5/32 (4.0)

Flat E6010 3/16 (4.8)Horizontal E6010 3/16 (4.8)

5/8 (15.9) E7018 5/32 (4.0)Vertical Up E6010 3/16 (4.8)

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Overhead E7018 5/32 (4.0)

What are the following number of passes and welding current below. (17 points)

Base metal Position No. Of Electrode Electrode Welding Thickness Passes Type Diameter CurrentInch. (mm) Inch. (mm)

Flat E7018 ¼ (6.4)Horizontal E7018 5/32 (4.0)

1 (25.4) Vertical E6010 3/16 (4.8)_____________________________________________________________________

E7018 5/32 (4.0)Overhead E7018 5/32 (4.0)

Flat E7018 ¼ (6.4)2 (51) Horizontal E7018 5/32 (4.0)And Vertical E6010 3/16 (4.8)Over Overhead E7018 5/32 (4.0)

What are the following number of passes and welding current below. (28 points)__________________________________________________________________________________Fillet Position No. Of Electrode Electrode WeldingSize Passes Type Diameter CurrentInch. (mm) Inch. (mm)

Flat E7024 5/32 (4.0)Horizontal E7024 5/32 (4.0)

¼ (6.4) Vertical E7018 5/32 (4.0)Overhead E6010 3/16 (4.8)

E7018 5/32 (4.0)E7018 5/32 (4.0)

Flat E7024 ¼ (6.4)Horizontal E7024 ¼ (6.4)

½ (12.7) Vertical E7018 5/32 (4.0)Overhead E6010 3/16 (4.8)

E7018 5/32 (4.0)

Flat E7024 ¼ (6.4)Horizontal E7024 ¼ (6.4)

¾ (19.1) Vertical E7018 5/32 (4.0)Overhead E6010 3/16 (4.8)

E7018 5/32 (4.0)

Date : ______________________________

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Name : _____________________________

ID Number (If any) : __________________

Re: Test on Welding – ( Part – 4 )

Direction: Read the sentences carefully inside the parenthesis and underline the correct answer.

(Enumeration)

What are the Applications of “Typical” Welding Symbols

1.) ______________________________________________________________2.) ______________________________________________________________

What are the Applications of Melt-Through Symbol

3.) ______________________________________________________________4.) ______________________________________________________________5.) ______________________________________________________________6.) ______________________________________________________________7.) ______________________________________________________________

What are the welding defects and problems

8.) _____________________________ 14.) ___________________________________9.) _____________________________ 15.) ___________________________________10.)_____________________________ 16.) ___________________________________11.) _____________________________ 17.) __________________________________12.)_____________________________ 18.) __________________________________13.)_____________________________ 19.) __________________________________

Pre weld PreparationWhat are the Operations required before welding

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20.) ____________________________________________________21.) ____________________________________________________22.) ____________________________________________________

What are the Post weld Procedure

23.) __________________________________________________24.) __________________________________________________25.) __________________________________________________26.) __________________________________________________

(Multiple Choice)

What are the Types of welding Procedure Variables

27.) { A.) Fixed or pre selected welding variables / B.) Permanent or pre selected welding variables } - are those that are set before the actual welding takes place.

28.) { A.) First adjustable variables / B.) Primary adjustable variables } - are the major variables used to control the welding process once the fixed variables have been selected.

29.) { A.) Secondary adjustable variables / B.) Third adjustable variables } - are the major adjustable variables that are used to control the welding process.

30.) { A.) WPQR / B.) WPS } – is a written qualified welding procedure prepared to provide direction for making production welds to code requirements.

31.) { A.) WPS / B.) WPQR } - or other document may be used to provide direction to the welder or welding operator to assure compliance with the code requirements.

32.) { A.) PQR / B.) WPS } -is record of the welding data used to weld a test coupon.

33.) { A.) WPS / B.) PQR } - is a record of variables recorded during the welding of the test coupons. It also contains the test results of tested specimens. Recorded variables normally fall within a small range of the actual variables that will be used in production welding.

(Enumeration)

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Types of test required for WPQRMechanical Test

34.) ________________________________________________________35.) ________________________________________________________36.) ________________________________________________________

What are the Essential variable for WPQR

37.) _____________________________ 43.) __________________________38.) _____________________________ 44.) __________________________39.) _____________________________ 45.) __________________________40.) _____________________________ 46.) __________________________41.) _____________________________ 47.) __________________________42.) _____________________________ 48.) __________________________

What are Examination Techniques for NDT

49.) ____________________________________________________________50.) ____________________________________________________________51.) ____________________________________________________________52.) ____________________________________________________________53.) ____________________________________________________________

What are the three main divisions for visual inspection?

54.) ________________________________________________________55.) ________________________________________________________56.) ________________________________________________________57.) ________________________________________________________

What are the helpful pieces of equipment for visual inspection.

58.) __________________________ 63.) ______________________________59.) __________________________ 64.) ______________________________60.) __________________________ 65.) ______________________________61.) __________________________ 66.) ______________________________62.) __________________________

What are the Techniques for NDT Testing

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67.) _________________________________68.) _________________________________69.) _________________________________70.) _________________________________71.) _________________________________72.) _________________________________

What are the common welding and cutting processes?

73.) ________________________________ 79.) ____________________________________74.) ________________________________ 80.) ____________________________________75.) ________________________________ 81.) ____________________________________76.) ________________________________ 82.) ____________________________________77.) ________________________________ 83.) ____________________________________78.) ________________________________

What are the properties of common metals which is important in welding?

84.) ________________________________________________________85.) ________________________________________________________

What are the Physical Properties of common metals important in welding?

86.) ________________________________________________________87.) ________________________________________________________88.) ________________________________________________________89.) ________________________________________________________90.) ________________________________________________________91.) ________________________________________________________

What are the Mechanical properties of common metals important in welding?

92.) _____________________________________________________93.) _____________________________________________________94.) _____________________________________________________95.) _____________________________________________________96.) _____________________________________________________

What are the Basic flame types of Acetylene?

97.) _____________________________________________________98.) _____________________________________________________99.) _____________________________________________________100.) _____________________________________________________

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