1)most common type of stern used ....a)counter stern b)elliptical stern c)transom stern d)none of the above

2)as per condition assignment, some means of permanent closure, either attached or closed by, is required for an ventilators except thosea)3.5m,2.3m b)3.5m,2.0m c)4.0m,2.0m d)4.5m,2.3m

3)velocity of advancement is defined asa)velocity of ship b)axial velocity of propeller with respect to adjacent water flowc)velocity of ship in adverse condition d)axial velocity of propeller with respect to fixed object

4)upper plating of the lower stool on which the lower end of a transverse corrugated bulkhead is welded known asa)shedder plate b)tank top c)margin plate d)self plate

5)ballast carried in wing tank and topside tank in bulk and ore carriers aid in making the ship.....a)less stiff b)less tender c)ressiet rolling d)resist pitching

6)as per loadline, exposed super structure deck outside one quarter of ships length from frwd prpendicular is known as....a)forward deck b)position 1 c)position 2 d)position 3

7)as per load line rule position2 meansa) exposed freeboard,superstructure and raised quarter within one quarter of ships length from the forward perpendicularb) exposed freeboard,superstructure and raised quarter within two quarter of ships length from the forward perpendiculara) exposed freeboard,superstructure and raised quarter outside one quarter of ships length from the forward perpendiculara) exposed freeboard,superstructure and raised quarter outside one quarter of ships length from the forward perpendicular

8)in longitudinal corrugated bULKHEAD corrugation area)either horiz or vertical b)only horizontal c)only vertical d)neither horizontal nor vertical

9. Plating on bulkheads are generally fitted ____________ for better graduation of thickness. A. Vertically in all bulkheads B. Horizontally in all bulkheads 

C. Vertically in transverse bulkheads only D. Horizontally in transverse bulkheads only 

10. Position of center of buoyancy of a box shaped barge is at A. Half of the draught; B. Half of the depth of the hull C. All of the above D. None of the above;

11. Better freeing arrangements on tanker decks inform of open rails for 50% of length are provided: A. To ensure no seawater gets into the tanks. B. Because tankers have less freeboard. C. Both A and B D. None of the above

12. As per conditions of assignments, the machinery space openings are to have ________________ doors with minimum sill heights of __________ in position2. A. Weathertight, 450 mm B. Watertight, 380 mm C. Weathertight, 380 mm D. Watertight, 450 mm

13. Relation between CB, CP and CM is A. C_P= C_B* C_M; B. C_M= C_P* C_B; C. C_M* C_P* C_B=1; D. C_B= C_P* C_M;

14.Which of the following statements is False? 

A. A collision bulkhead must be fitted on all types of ships. 

B. An after peak bulkhead must be fitted on all types of ships. 

C. One bulkhead at each end of machinery spaces must be fitted on all types of ships. 

D. The aft peak bulkhead must extend to the upper deck

15. Shedder plates are sometimes provided between, the corrugated bulkheads and lower stool shelf plates. The purpose of shedder plates is to: A. Provide strength to the shelf plate B. Reduce the unsupported span of corrugated bulkhead C. Prevent piling up of dry cargo on horizontal portions of lower stool shelf plates D. Reduce stress concentration at the connections of corrugated bulkheads to the lower stool shelf plates

16. Sheer Lines of a vessel is defined as A. Lines of horizontal sections along the longitudinal axis; B. Lines of vertical sections along the longitudinal axis; C. Lines of vertical sections at various stations; D. Lines of horizontal sections at various drafts;

17. Lighter longitudinal stiffening frames on the vessel's side plating are called __________.A) stringersB) side framesC) side stiffenersD) intercostals

18. What is the purpose of cant frames in steel vessels?A) To support the overhang of the sternB) To provide strength to shell plating at the stern C) To add strength to the deck beams which support the weather decksD) To support the plating of a cylindrical tank

19. In a transversely framed ship, the transverse frames are supported by all of the following EXCEPT __________.A) girdersB) longitudinalsC) side stringersD) web plates

20. In a longitudinally-framed ship, the longitudinal frames are held in place andsupported by athwartship members called __________.A) floors

B) margin platesC) stringersD) web frames

21. When the longitudinal strength members of a vessel are continuous and closelyspaced, the vessel is __________.A) transversely framedB) longitudinally framedC) intermittently framedD) web framed

22. A vessel having continuous closely spaced transverse strength members is __________.A) longitudinally framedB) transversely framedC) cellular framedD) web framed

23. In ship construction, frame spacing is __________.A) greater at the bow and sternB) reduced at the bow and sternC) uniform over the length of the vesselD) uniform over the length of the vessel, with the exception of the machinery spaces, where it is reduced due to increased stresses 

24. The lower and the upper stools are provided for bulk carriers: - A. with plate type of transverse watertight bulkheads and they normally extend athwartship from ship side to ship sideB. with corrugated type of transverse watertight bulkheads and they normally extend athwartship from ship side to ship side C. with plate type of transverse watertight bulkheads and they normally extend athwartship from one side lower hopper to other side lower hopper D. with corrugated type of transverse watertight bulkheads and they normally extend athwartship from one side lower hopper to other side lower hopper

25. Define the relation between Permeability, Relative Density and Stowage Factor of cargoA.?? = 1 - (SF * RD);B.?? = 1 - 1 ?? (SF * RD);

C.?? = (SF * RD) - 1;D.?? = (SF * RD)

26. _______ Transverse Watertight Cargo Hold Bulkhead____________ Type of Collision Bulkhead. ( Corrugated & Plate, Swashed & Corrugated, Swashed & plate, Plate & Swashed?

27. peak tank testing..a)hose testb)by filling them upto load water linec)by filling them with water up to max head which can come on them in practice or 2.44m above tank crown whichever is higher

28. kg of ship increases with...a) adding weight above on present kgb)balasting db tankc)moving weight in transverse directiond)moving weight in frwd direction

29. the gm of the ship will change with..a)shifting of weight longitudinallyb)shifting of weight transversellyc)shifting of weight verticallyd)all of the above

30. There are certain requirements which must be met to ensure the water-tightness / weather-tightness of openings and the ability of the ship to rapidly free itself of water on its decks. These requirements required by loadline rules are known as A. Minimum freeboard requirements B. Conditions of requirements C. Minimum loadline requirements D. Conditions of assignments

31. Modern medium size single size skin bulk carrier are provided with _____ framing within double bottom, __________ framing within hopper tanks _________ framing on the side shell within the cargo holda. L,L,Lb. T,T,Lc. L,T,L

d. L,L,T

32. Relation ship between CR, CD,CM isa. C-p=c-B*C-Mb. C-M=c-p*c-Bc. C-m*c-p*c-B=1d. C-B=c-p*c-M

33. As per conditions of assignments, the minimum height of air pipe openings must be ________ on the freeboard deck A. 380 mmB. 450 mmC. 600 mmD. 760 mm

34. TPC not constant for ships like structure along the draft.a. Length between the perpendicular changes as draft changesb. AWP of water plane varies along the draft of the shipc. TPC remains constant for ships like structured. Draft for any floating structure does not influence the values of TPC

35. Find which is true?a. A transom floor need not have same depth as cellular DBb. Counter or elliptical sterns are most commonly used in merchant shipsc. Cant framing when omitted in a cursors stern and replaced by a flat plate, forms the transom sternd. Cant framing radiating out like spooks of wheel from transom , forms the transom

36. Minimum possible no. of watertight bulkheads in ships with machinery space amidships isa) 4b) 3c) 2d) 5

37. Horizontal web plates which support the part of stern formed by radiused plates, between deck, is known as a) panting stringerb) breast stringerc) breast hookd) breast stiffener

38. Minimum no. of intercoastal girder in transversely framed double bottom of ship whose breadth is more than 10m but less than 20m.a) 1 b) 2c) 3d) 4

39. Modern medium to large size single side skin bulk carriers have long framing within double bottoms, within hopper tanks & decks while side shell is transversely framed. Why?Ans: This is required for transverse strength. (I chose this option)

40. The usual depth of a beam bracket is __________.A) 2 1/2 times the depth of the beamB) 5 times the depth of the beamC) 10 times the depth of the beamD) same depth as the beam

41. A deck beam does NOT __________.A) act as a beam to support vertical deck loadsB) lessen the longitudinal stiffness of the vesselC) act as a tie to keep the sides of the ship in placeD) act as a web to prevent plate wrinkling due to twisting action on the vessel

42. The deck beam brackets of a transversely framed vessel resist __________.A) hogging stressesB) sagging stressesC) racking stressesD) shearing stresses

43. Beams are cambered to __________.A) increase their strengthB) provide drainage from the decksC) relieve deck stressD) All of the above

44. Which term refers to a transverse curvature of the deck?A) Deadrise

B) CamberC) FreeboardD) Flare

45. Formula for TPC in brakish water ???

Aw*ro/100

46. Which part of propellor is visible to u from afta. leading edge, b, trailing edge, c. face , d. boss , e. Tail

47. The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the __________.A) volume of liquid in the tankB) volume of displacement of the vesselC) location of the tank in the vesselD) height of the center of gravity of the vessel

48. block coefficient of crude oil carrier is between1)b/w 0.7-.752).75 to .853).9-.954)1-1.05

49. GM of ship will change witha) Shifting of weight longitudinallyb) Shifting of weight transverselyc) Shifting of weight verticallyd) All of the above

50. Breadth… “ AP, 1, 2, 3, 4, FP” and Coordinates… ” 1, 1.44, 1.55, 1.33, 0.89, 0.2”LBP is 14 then Find TPC? …….0.2, 0.3, 0.5, 0.6 t/cm ?

Ref book

51. hw much is fresh water allowance?????a)5tpc b)10tpc c)20tpc d)40tpc

52. What is bulk carrier ?a) single deck, upper lower hopperb) single deck upper lower stoolc) multideck crane grabd) multideck hatchcover crane

53. 5 years dry docking…one Dry dockingcan be missed… ifa) ABS is given all the necessary information’s about the shipb) ship less than 15 years oldc) fire on shipd) good quality resistant paint in underwater hull

54. cyclic up and down movement of a vessel along the vertical axis....a)heaving b.swaying c.yawing d.pitching

55. maximum transverse spacing in double bottom space....a)2.5m b)3m c)3.7m d)3.8m

56. when a weight is moved transversely in ship the ship will....a)trim b)heel C)list d)loll

57. in ship con beam bracket are are triangular plate joining the deck beam to a.....a)blkhead b)frame c)stanchion d)deck longitudinal

58. a section of standard weight seamless stel pipe has an external diameter of 4.0 inches .when the pipe is bent into 90 degree turn ,the length of the outside edge of the curve A-B will exceed the length of the inside edge curve C-D by...........a)1.05 inch b)1.25 inch c)2.67 inch d)6.28 inch

Uscg gen 5000.

59. a vessel departed from point A at 1206 with a counter reading of 606729 and arrived at point B with a counter reading of 731929 at 1148 the following day the vessel is equipped with 20 foot 8inch dia propeller with a pitch of 20 feet. the observed distance at 404.16 miles was covered at an observed speed of 16.85 knots.what should be the apparant slip for this trip?a)0.0104 b)0.0129 c)-0.0665 d)-0.1104

Uscg gen 1029.

60. Rise of floor Purpose…?

RISE OF FLOOR is the rise of the bottom shell plating above the horizontal base line,

measured at the ship's side. The object is to provide for the drainage of liquids to the

ship's centrelie.

A. Drainage of water to the ships center line

61. Why TPC is not same for all drafts?...

Waterplane Area is not same for all drafts!

62. Extra Strengthening done where... for pounding region+ 40 % of mid ship…!

63. Engine room transverse framing…Every frame, alternate etc!

64. Taylor Wake fraction is;

Vs ship speed; Va velocity of advancement; P pitch of propeller, N revolution per second A. w= (V_s- V_a)/V_s B. w= (V_s- V_a)/V_a ; C. w= (PN- V_s)/PN; D. w= (PN- V_a)/PN;

65. Wetted Surface Area Formula… C. L (BD) ^ 0.5

Denny: 1.7 Ld + (inv. Del/d)

Taylor: C (del. L) ^ 0.5

66. Summer load line Displacement= 15,000 t, TPC= 26.2,ship’s mean draft= 6.2 m Ship is going in Winter Region…what is the New Displacement?

67. Hatch Coaming Minimum height…600, 800, 1000, 1100 mm?

68. Q1Table 1Station : AP, 1 , 2 , 3 , 4 , 5 , FP?? Breadths : 2.5 , 4.73 , 5.88 , 6.0 , 5.09 , 3.11 , 0.0

Table 2Station : AP , -1 , -2 , -3 , ?? Breadths 2.5 , 1.88 , 1.25, 0.63The tables 1 and 2 of a vessel are ?? breadths of water plane between perpendiculars and appendage respectively. The lengths between perpendiculars and appendages are 60m and 7.5m respectively. Find the LCF of the water plane from mid ship. 

A. 4.87 m towards ford B. 4.23 m towards ford C. Midship D. 4.04 m towards aft

69. A box barge length =35, B=7m, d=3m, in brackish water of density=1.012t/m3 , the length of mid ship compartment is 10m and full depth. the compartment is bilged, find new draft ?a. 4.2, b. 4.4, c. 4.3, d. 4.1

70. Transverse areas at different stations are given as follows: AP, 1, 3 , 4 , FP3.4 m2, 4.1 m2 , 5.8 m2 , 2.8 m2 , 1.4 m2 interval is 24m. Find the Displacement of vessel A. 360.1 tonnes B. 345.2 tonnes C. 382.8 tonnes D. 350.0 tonnes

71. Summer load line Displacement= 15,000 t, TPC= 26.2,ship’s mean draft= 6.2 m Ship is going in Winter Region…what is the New Displacement?

A. 14655.1 T

Done. Refer book

72. Transverse areas at different stations are given as followes AP ,1,3,4,FP2.4,3.1,4.8,1.8,0.8 (all in m^2)length of the vessel is 18 m find the center of buoyancy from AP of the vessel.

 a)7.15m b)7.25m c)7.45m d) 7.75 m

A: 6.63

~ 7.75

73. the bleeder plug or docking plug located on a motor vessel double bottom tank is used to 1 indicate when the tank is pressed up2 provide a secondary means of tank sounding 3 vent air from the tank when bunkering.4 empty the tank when in dry dock

74. vertical support member used to strengthen bulkheads are called a stiffnerb panels c brackets d stanchions

75. the welded joint located between two plates in the same strake of a hull plating is called as 1 butt2 lap 3 scarf 4 brackets

76. as per the condition of assignment of port holes. no of porholes are allowed to be fitted below_______% of theships_________or__________mm.a)1,length,300mmb)3.5,depth,6oommc)2.5,breadth,500mmd)4,summer draft,760mm

77. Hull model relation is baseda) Reynolds no of both hull and model are equal. b) Fraud’s no of both hull and model are equal c) Reynolds and Fraud no of both hull and model are equal d) None

78. Thrust model relation is based on frauds number

79. The mass of a ship without cargo, fuel, stores, water, crew etc that a ship carries is known as: A. Deadweight B. Lightweight C. Displacement D. Tonnage

80. 2. Pitch of the propeller…Definition?

Distance moved in 360 Degree Rotation in a Soft Solid Fluid

81. Most Efficient Pre-Painting Methods…a) Picklingb) Blast cleaningc) flame Cleaning d) Wire Brushing

82. In a shell expansion plan, plate D5 refers to: A. Fourth plate from aft and fifth strake from keelB. Fifth plate from aft and fourth strake from the keelC. Fourth plate from forward and fifth strake from keel D. Fifth plate from forward and fourth strake from keel

83. In a shell expansion plan, plate D5 refers to: A.7, Plate TypeB.5, Corrugated TypeC.7, Corrugated TypeD.5, Box type

84. What is it seen when a Propeller is seen from the Aft end?a. Leading edgeb. Trailing Edgec. bowd. tail

85. Location of Collision Bulkhead? 5-8 % Length of the Ship

86. Why the frictional resistance increases when the draft increases? A. Dead weight of the vessel increases. B. Length of water plane increases. 

C. Wetted surface increases. D. Temperature of water reduces as draft increases. 

87. Definition Of DISPLACEMENT of Ship… Mass of the Displaced Volume of WaterThe mass of the ship and everything it contains. A ship has different values of displacement at different draught.

88. IDEAL Location of AIR PIPEa. At the Lowest Point Of the Tankb. At the Filling Connectionc. At the Highest Point of the Tankd. Opposite to the Filling Connection

89. panting arrangement – 15%

90. pounding arrangement – 25%

91. Main Purpose Of Bulbous Bowa) To Decrease the Specific Fuel Consumption!b) Increase buoyancy fwd and hence reduce the pitching of the ship to small amountc)increase the velocity of the ship

Reeds 78

92. What is The Effect on RESERVE BUOYANCY when the ship is in Fresh Water (for same Displacement)a. Increasesb. Decreasesc. Remains same

93. Breadth… “ AP, 1, 2, 3, 4, FP” and Coordinates… ” 1, 1.44, 1.55, 1.33, 0.89, 0.2”LBP is 14 then Find TPC?a. 0.2b. 0.3c. 0.5d. 0.6 t/cm

94. Find CWP and TPC of a vessel whose ?? breadths of the water plane as follows:Station: AP 1 2 3 4 FP?? Breadths (M) 1.0 1.44 1.55 1.33 0.89 0.2Length between perpendiculars is 14 meters.

Consider the nearest value.a. 0.56b. 0.65c. 0.34d. 0.43 t/ cm

95. Thickness of strakes of bottom plating is increased in which of the following regions of the ship?A. Pounding region B. Over 40% of ship???s length amidships C. Over 40% of ships length forward D. Both A and B

97. How to support Stem Bar to radiused Plate?A. Breasthook

98. Stem bar to Keel Platea. Oxterb. coffinc. Shoed. Stealer plates

99. Stern frame to keel plateAns: Coffin plate

100. Transverse frames are more widely spaced on a ship that is designed with the __________.A) centerline system of framingB) isometric system of framingC) longitudinal system of framingD) transverse system of framing

101. Longitudinally framed double bottom, in frame spaces where there are no solid floors the bracket on the sides & center of girder should not be more than _____ aparta) 2.5mb) 3.7mc) 3.8md) 1.25mReeds 44

101 A. In longitudinally framed double bottoms, the maximum spacing between solid floors should not exceed ______________ in any region.A. 2.5mB. 3.0mC. 3.7mD. 3.8m

101B. In transversely framed double bottoms, the maximum spacing between solid floors should not exceed ______________ in any region.A. 2.5mB. 3.0mC. 3.7mD. 3.8m

102. Transverse Framing…how3wweeeeeee support is given in Engine Room, or Pounding Region…Alternate Framing or Every Framing…fill in the blanks166 DJ Eyeres

103. Transverse Framing is supported by…….Girder and Bracket to ship side, unsupported Ans ~ solid plate floors and bracket floorsside grider and bracket

104. Which of the following must be provided in a shaft tunnel? A. A watertight door at the engine room bulkhead. B. Escape trunk at the aft end. C. A tunnel well for drainage D. All of the above

105. by using which of the tank we can change the draft but not changing trim of the ship a]peak tank,b]DB tank,c) deep tank,d) top side tk

106. water survey is done on __________a)5th anniversaryb)4th

c)3rdd)2nd

107. SECTION 1 : AP,1,2,3,FP are 2.5,1.55,1.75,1.45,0SECTION 2 : AP,-1,-2,-3 are 2.5,1.85,1.6LBP=50 appendages = 60Find LCF

108. Transverse areas at different stations are given as follows:AP 1 3 4 FP2.4 m2 3.1 m2 4.8 m2 1.8 m2 0.8 m2Length of the vessel is 18m. Find the Center of buoyance from AP of vessel.A. 7.15 m;B. 7.25m;C. 7.45 m;D. 7.75 m;

109. Find Cw and TPC if…Breadth…” AP,1,2,3,4,FP” and Coordinates…” 0.9, 1.5, 2.1, 1.6, 0.9, 0.1” and LBP is 15!Ans. 0.56, 0.65, 0.34, 0.43 t/ cmSol: 0.38 when worked out. Ref book

110. At all angles of inclination the meta centre is locateda] Vertically above centre of buoyancyb] Vertically above centre of centrec] At the intersection of the upright vertical centreline and the line of action of the buoyant forced] Geometric centre of underwater volume

111. The "margin plate" is the __________.A) outboard strake of plating on each side of an inner bottomB) outer strake of plating on each side of the main deck of a vesselC) plate which sits atop the center vertical keelD) uppermost continuous strake of plating on the shell of a vessel

112. Every U.S. crude oil tankship with a keel laying date on or after 1/1/75, shall beequipped with an inert gas system if the tonnage is more than __________.a. 100,000 DWT (long tons)b. 100,000 DWT (metric tons)c. 50,000 DWT (long tons)

d. 50,000 DWT (metric tons)

113. resource zone not security zonea. Inland water,b. territorial area,c. contigous zone,d. continental zone

114. When displacement increases, the free surface moments of slack tanks __________.A) increaseB) decreaseC) are inversely proportionalD) remain unchanged

115. The pillar shape that gives the greatest strength for the least weight is the __________.A) octagonal pillarB) "H" Beam pillarC) "I" Beam pillarD) circular type pillar116. The existence of liquids in partially full tanks or compartments of a Ship causes a virtual rise in the height of the _______________.(a) metacenter(b) center of buoyancy(c) center of flotation(d) center of gravity

117. the ship`s model estimates thea] hull frictional resistanceb]hull wave making resistance,c]all of the aboved]none of the above

118. The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the __________.A) volume of liquid in the tankB) volume of displacement of the vessel C) location of the tank in the vesselD) height of the center of gravity of the vessel

119. The validity of which of the following certificates is not 5 years?A. Safety equipment certificateB. Load line certificateC. Tonnage certificateD. Safety radio telegraphy certificate

121. If a vessel rolls to the starboard side, and there are no movable or moving weights onboard, the center of gravity will ____________.(A) move to port(B) move to starboard(C) move directly down(D) stay in the same position

122. 3.The average of the observed drafts is known as ____________.(A) mean draft(B) true mean draft(C) mean of the calculated drafts(D) draft at the center of flotation

123. 4.The vertical distance between "G" and "M" of a vessel is used as a measure of __________.(A) stability at all angles of inclination(B) initial stability(C) stability at angles less than the limit of positive stability(D) stability at angle less than the downflooding angle

124. 5."GM" cannot be used as an indicator of stability at all angles of inclination because ______________.(a) "M" is not fixed at large angles(b) there is no "M" at large angles(c) "G" is not fixed at large angles(d) there is no "G" at large angles

125. For Vessel's operating under the Indian flag, the construction portfolio must contain _____________.A. detailed construction plansB. chemical and physical properties of Classification Society approved steelsC. approved welding procedures and welding test proceduresD. loading conditions and limitations

126. On a Vessel, the deck stringer is the outboard most deck ________________.(A) plating(B) beam(C) stiffener(D) stanchion

127. According to SOLAS, a bulkhead capable of preventing the passage of smoke and flame for one hour would be classified as a/an ____________.(A) A-60(B) B-60(C) C-60(D) D-60

128. .A load line for an Indian Ship is assigned by the ______________.(a) Mercantile Marine Department (b) Ministry of Shipping (c) Directorate General of Shipping (d) Not necessary a member of IACS

129. The maximum draft to which a vessel can legally be submerged is indicated by the _____________.(a) Load Line mark(b) Certificate of Inspection(c) Plimsoll line (d) Tonnage mark

130. When flooding occurs in a damaged vessel, reserve buoyancy ______________.(A) decreases(B) remains the same(C) increases(D) shifts to the low side

131. You can generally improve the vessel's stability in a hazardous situation by _______________.(A) pumping double bottoms to the forepeak(B) ballasting deep tanks(C) transferring ballast athwartships(D) deballasting double bottoms

132. Reserve buoyancy is the _____________.(A) unoccupied space below the waterline

(B) volume of intact space above the waterline(C) excess of the buoyant force over gravitational force(D) difference between buoyancy in salt and fresh waters

133. A vessel should normally behave as if all of its weight is acting downward through the center of gravity and all of its support is acting upward through the _____________.(A) keel(B) center of buoyancy(C) tipping center(D) amidships section

134. Between the side frames of a Vessel, support for the deck beams is provided by _________________.A. stanchionsB. bracketsC. web framesD. deck stringers

135. In the event of a collision, watertight integrity may be lost if _____________.(A) the sounding tube cap from a damaged tank is missing(B) the dogs on a manhole cover are secure(C) you have recently replaced a gasket in a watertight door(D) you operate the dewatering system from a flooded compartment

19.Which of the following conditions will occur to the ship's center of gravity if 200 tons of steel is transferred to the ships cargo hold from shore side?(A) The reserve buoyancy will rise.(B) The center of gravity will remain in the same position.(C) The center of gravity will be lowered.(D) The reserve buoyancy will remain the same21.As regulation 12 of Annex 1 of MARPOL, all ships of __________ gross tonnage and above shall be provided with a sludge tank for collection of oil residues A.150 tonnes deadweightB.150 gross tonnageC.400 tonnes deadweightD.400 gross tonnage23.The validity of which of the following certificates is not 5 years?A. Safety equipment certificateB. Load line certificateC. Tonnage certificate

D. Safety radio telegraphy certificate

136. Apparent slip is defined as A. s= (PN- V_S)/V_S ;B. s= (PN- V_a)/PN; C. s= (PN- V_S)/PN; D. s= (PN- V_a)/V_a 

137. In- water survey in lieu of a one of the two docking surveys in a 5-year period may be accepted when:A. suitable high resistance paint is applied to the ship???s underwater hullB. The ship is less than 15 years old C. The in-water survey provides all the information required by classification societyD. A part of the ship is on fire

138. Hull plating strakes are generally numbered asAns: from keel to deck alphabetically up & aft to forward numerically upRem. NP; LPS

139. 3.The curvature of the deck in fore and aft direction rising from amidships to a maximum at the ends is known as: 

A. Camber 

B. Rise of the floor 

C. Sheer *

D. Tumble home

140. Under machinery spaces, cellular double bottoms must have plate floors at: 

A. Every alternate frame space 

B. Every frame space *

C. Not more than 3.05m apart 

D. Not more than 3.7m apart

141. A vessel is defined as stable if: 

A. GM is positive; *

B. GM is negative; 

C. GM is zero; 

D. GM is either negative or positive

142. Plating on bulkheads are generally fitted ____________ for better graduation of thickness. 

A. Vertically in all bulkheads 

B. Horizontally in all bulkheads 

C. Vertically in transverse bulkheads only 

D. Horizontally in transverse bulkheads only

143. In transversely framed double bottoms, frame spaces between the solid floors are: 

A. Left unsupported 

B. Fitted with bracket floors 

C. Fitted with brackets at tank sides and center girder 

D. None of the above 

144. The primary purpose of fitting a bulbous bow is to: 

A. Improve the appearance of the ship. 

B. Strengthen the bow 

C. Improve propulsive efficiency *

D. Improve resistance to pounding 

145. Plates used to connect stern frames to flat plate keel are called: 

A. Shoe plates 

B. Coffin plates 

C. Stealer plates 

D. Boss plates 

146. Air pipes in tanks are generally located: 

A. Near filling pipes 

B. Near pump suctions 

C. At the opposite end of filling pipes and/or the highest point in the tank *

D. At the lowest point in the tank 

147. Weight of rudder is taken by

a) steering gear

b) rudder stock

c) rudder carrier bearing

d) locking pintle

148. Pitch of propeller is defined asA. Forward movement of propeller when rotated by 360 degreeB. Forward movement of propeller in un-yielding medium when rotated by 360 degree;C. Forward movement of propeller when rotated by 3600 when the vessel is floating in waterD. Forward movement of propeller when rotated by 360 degree and in sea water;

149. Stability of a vessel is defined as: A. Vessel will come not back to its initial position when external disturbance is withdrawn;B. Vessel will come back to its initial position when external disturbance is withdrawn and by suitably shifting of weights;C. Vessel will float at different position when external disturbance is withdrawn;D. Vessel will come back to its initial position when external disturbance is withdrawn;

150. A Suezmax vessel will have the following maximum limitations:

A. B=34 m, d=10 mB. B=44 m, d=12 mC. B=54 m, d=14mD. B=64 m, d=16 m

151. The purpose of providing tumble home is to:

A. Improve the appearance of the ship

B. Help drain off water from deck easily

C. Reduce the volume of water coming on deck

D. Help drain tanks to bilges

152. At the ends of the ships, to prevent making plates too narrow, pair of adjacent of straks are made to run into one strake with the help of a, coffin plateb. shoe plate c. stealer plate d. oxter plate

153. In condition of assignment bulwark provided with a hole name of that hole Ans. Freeing holes

154. Wake is defined as A. w= (PN- V_S)/V_S ;B. w= (PN- V_a)/PN; C. w= (PN- V_S)/PN; D. w= (PN- V_a)/V_a ;

155. What is the direction of left had propeller when looking from aft of ship it will rotate anitclockwisewhen looking from aft of ship it will rotate clockwise

Note: always viewed from aft.

156. centroid of underwater hull is blanks1) cg2) cb

3) both4) none

157. presently which types of rudders are usedAns. Semi Balanced.

Dia1. Transverse Corr bhd

1. Cross deck2. Cargo hatchway end coaming3. Cross deck structure cantilever support bracket4. Upperstool5. Corrugated transverse bulkhead6. Lower stool space7. Transverse floors8. Shedder plates9. Lower shelf plate10.Tank top11.Bottom shell12.Transverse13.Upper self plate

Dia 2. Mid sec of cargo hold (left mid sec)

1. Top side tank plating vertical strake2. Hatch side coaming3. Deck plating4. Deck longitudinal5. Top side tank transverse web frame6. Side shell longitudinals7. Side shell plating8. Bilge plating9. Topside tank10.Bracket11.Side shell frame (hold frame)12.Hopper tank13. Inner bottom longitudinal14.DB tank/Floor15. Inner bottom plating tanktop

16.Bottom ceter grider17.Bottom shell plating18.Bottom longitudinal

Dia 3. Gen Cargo Ship Mid sec (right):

1) hatch coaming 2)upper deck plating3)beam4)tween deck plating5)beam(for tween deck)6)knee7)cargo battens (answer of this diagram)8)side plating9)side frame 10)margin plate 11)stiffeners12)centre grider13)side grider14)tank top15)tank side bracket

Dia4. Cruiser stern (Sun) :

1. Poop deck2. Bulkhead3. Cant frame4. Cant beam5. Deck center line grider6. Upper deck7. Bulkhead Stiffner8. Bracket9. Steering Flat10.Centre line web*11. Center line grider12.Solid floors13.Rudder trunk14.Stern frame