MODEL Q-2
Transcript of MODEL Q-2
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Final Exam
Prep Engineering Technology ME 003
All Questions carry equal marks
Answer all questions
Time: 90 Minutes
Student name:
ID #
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1) What is the angle of projection, for the adjacent figure? a) First Angle
b) Second Angle
c) Third Angle
d) None of above
2) In AutoCAD, a hidden line can be drawn by----------------?
a) Draw Toolbar
b) Modify Toolbar
c) Command Line
d) Object Properties Toolbar
3) Name the Orthographic projection view “a”?
a) Plan
b) Front
c) R.H End Elevation
d) L.H End Elevation
4) What type of drawing is it?
a) Isometric
b) Orthographic
c) Isobaric
d) None of above
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5) In the adjacent figure, the front view
dimensions are--------------?
a) 80, 40
b) 40, 20
c) 80, 20
d) 10, 20
6) In which bar do you find the “Ortho & Osnap” icon?
a) Draw toolbar
b) Modify toolbar
c) Status bar
d) Object properties toolbar
7) AutoCAD “draw tool” bar symbol is used for ------------
command.
a) Pentagon
b) Rectangle
c) Array
d) Construction line
8) What does this AutoCAD icon represent?
a) Arc
b) Spline
c) Polyline
d) Rotate
9) Identify the following symbol, found in “modify tool bar”.
a) Offset
b) Scale
c) Mirror
d) Cloud
10) In AutoCAD, an arc can be drawn by the following command:
a) Start, End, Radius
b) Start, End, Direction
c) Three Points
d) All of above
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11) In AutoCAD, “Ortho” command is used to draw--------------lines.
a) Perpendicular
b) Inclined
c) Polyline
d) All of above
12) What does this AutoCAD symbol represent?
a) Inclined
b) Chamfer
c) Fillet
d) Radius
13) In AutoCAD, ------------- command is used to round the corners of a rectangle.
a) Break
b) Chamfer
c) Fillet
d) Extend
14) In AutoCAD, the most used coordinate systems are-------------?
a) Relative
b) Polar
c) Direct distance
d) All of above
15) Orthographic drawing refers to a 2D (two-dimensional) representation of an
object in a view that shows only ----------- at a time.
a) One side
b) Two sides
c) Three sides
d) All sides
16) The car’s engine works to release the stored ___________ in petrol.
a) Fire
b) Air
c) Ignition
d) Energy
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17) In a car engine, the fuel is _______by the spark plug.
a) Ignited
b) Stored
c) Pumped
d) Injected
e) None above
18) The __________of force to the driving wheels occurs only after the engine
has converted the chemical energy into mechanical energy.
a) Exerting
b) Converting
c) Transmission
d) None of above
19) On the intake stroke,
a) Both valves are closed
b) Intake valve is closed
c) Both valves are open
d) Intake valve is open
20) After ignition, the expanding gases
a) Force the piston up the cylinder
b) Push the piston down the cylinder
c) Equalize the pressure in the cylinder
d) Open exhaust and inlet valves
21) During compression, the size of the combustion chamber is reduced, this
squeezes the fuel mixture and thereby.
a) Reduces its temperature
b) Increases its temperature
c) Releases its energy.
d) Increases the fuel flash point
22) The connecting rod converts the downward movement of the piston into
a) Reciprocal motion at the cam-shaft
b) Reverse force of the differential
c) Revolving motion in the distribution
d) Rotation force at the crankshaft
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23) To achieve ignition, we must have
a) Fuel, heat and light
b) Heat, air and light
c) Air, fuel and heat
d) Light, ignition and petrol
24) An --------- supplies electrical energy to the battery, at amount roughly equal
to its losses.
a) Ignition coil
b) Distributor
c) Rotor
d) Alternator
e) none of above
25) A spark plug electrode gap is checked by
a) Ruler
b) Measuring tape
c) Stick
d) Feeler gauge
e) None of above
26) The role of a --------------- is to eliminate the road shocks.
a) Steering system
b) Suspension system
c) Braking system
d) Lubricating system
e) None of above
27) The main parts of a engine are:
a) Cylinder head, Cylinder block,
b) Piston, Connecting rod,
c) Crankshaft, Flywheel
d) Valve gear, Carburetor
e) All of above
28) Pneumatics is concerned with systems that use:
a) Oil
b) Expanded air
c) Compressed air
d) Electricity
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29) Atmospheric air is compressed by a----------.
a) Pump
b) Compressor
c) Rotary expander
d) Balloon
e) None of above
30) Which one is a Pneumatic System?
a) Air brakes on a truck
b) Bicycle brakes
c) Fuel pump of a car
d) Headlights of an automotive
In the following schematic diagram, identify the pneumatics components to
answer from questions 31 to 35.
31) “A” and “B” are called
a) Double acting cylinders
b) Single acting cylinders
c) Triple acting cylinders
d) Pneumatic cylinders
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32) “C” is called
a) 5 / 2 Pilot valve
b) 5 / 2 Switch valve
c) 3 / 2 Push button valve
d) 3 / 2 Roller Valve
e) None of above
33) “D” is called
a) 5 / 2 Pneumatically operated pilot valve
b) 5 / 2 Switch valve
c) 3 / 2 Push button valve
d) 3 / 2 Roller Valve
e) None of above
34) “E” is called
a) 5 / 2 Pneumatically operated pilot valve
b) 5 / 2 Switch valve
c) 3 / 2 Push button normally close valve
d) 3 / 2 Roller Valve
e) None of above
35) “F” is called
a) Air supply
b) Pressure source
c) Power source
d) All of above
36) A roller valve is used when --------------movement of a cylinder is required.
a) automatic
b) linear
c) reciprocating
d) vertical
37) A lubricator is used to
a) obtain correct pressure
b) clean the air
c) lubricate pneumatic systems
d) compress air
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38) A 3/2 valve has
a) 1.5 ports
b) 3 ports and 2 directions
c) 3 directions and 2 ports
d) 5 ports and 2 directions
39) A double acting cylinder
a) has only one port
b) has a return spring
c) has no return spring
d) has two return springs
40) An air service unit, has:
a) Pressure regulator
b) Water separator
c) Filter
d) All of the above
41) The adjacent schematic diagram represents
a) a time delay valve
b) a shuttle valve
c) a dual-pressure valve
d) an “h” valve
42) The adjacent schematic diagram represents
a) a shuttle valve
b) a dual pressure valve
c) an “NRV” valve
d) a time delay valve
43) Steel is made by the combination of carbon and -----------.
a) Wood
b) Aluminum
c) Rubber
d) Iron
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44) The bench vice is used to -----------the metal sheet firmly during shaping
operations.
a) Cut
b) Bend
c) Hold
d) Break
e) None of above
45) Hammers are classified by their weight and type of ---------
a) Head
b) Size
c) Length
d) Height
e) None of above
46) Mallets are soft hammers made of ---------------------.
a) Lead
b) Copper
c) Leather
d) Rubber
e) All of above
47) Files are used to ------------ metal sheet surface.
a) Finish
b) Rough
c) Cutting
d) Bending
48) The center of a hole is marked with a----------
a) Twist Drill
b) Center Drill
c) Hand Drill.
d) Center Punch
49) During drilling the work must be firmly held by
a) drill chuck
b) machine vice or clamp
c) hand
d) bench vice
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50) Internal screw threads are cut by hand using
a) Twist drills
b) Dies
c) Chisel
d) Taps