Naval Architecture – MEO CLASS 4 WRITTEN PAPER

Section – 2

1. Between the side frames of a Vessel, support for the deck beams is provided by _________________.
   1. stanchions
   2. brackets
   3. web frames
   4. deck stringers

ANS.: A

2. For Vessel’s operating under the Indian flag, the construction portfolio must contain _____________.
   1. detailed construction plans
   2. chemical and physical properties of Classification Society approved steels
   3. approved welding procedures and welding test procedures
   4. loading conditions and limitations

ANS.: C                           

3. Prior to the burning or welding of a fuel tank on a Vessel, regulations require that an inspection be made. An entry in the official logbook is required if this inspection is made by ______________.
   1. A marine chemist
   2. The Surveyor from MMD
   3. The Master in charge of the Vessel
   4. The inspector from the department of explosive
   5. A marine biologist

ANS.: D

4. A welding procedure used for joining dissimilar metals used in the construction of a Vessel would be recorded in the
   1. welding plan
   2. Classification Society specifications
   3. construction portfolio
   4. BIS Specifications

ANS.: 1,3

5. According to SOLAS, a bulkhead capable of preventing the passage of smoke and flame for one hour would be classified as a/an ____________.
   1. A-60
   2. B-60
   3. C-60
   4. D-60

ANS.: A

6. The average of the observed drafts is known as ____________.
   1. mean draft
   2. true mean draft
   3. mean of the calculated drafts
   4. draft at the center of flotation

ANS.: A

7. When flooding occurs in a damaged vessel, reserve buoyancy ______________.
   1. decreases
   2. remains the same
   3. increases
   4. shifts to the low side

ANS.: A

8. The vertical distance between “G” and “M” of a vessel is used as a measure of __________.
   1. stability at all angles of inclination
   2. initial stability
   3. stability at angles less than the limit of positive stability
   4. stability at angle less than the down flooding angle

ANS.: B

9. The deck plating on a Vessel is supported primarily by deck longitudinals and deck ________________.
   1. girders
   2. stanchions
   3. frames
   4. beams

ANS.: D

10. When the longitudinal strength members of a Vessel are continuous and closely spaced, the Vessel is ____________.

1. transversely framed
2. longitudinally framed
3. intermittently framed
4. web framed

ANS.: B

11. A Vessel having continuous closely spaced transverse strength members is _____________.

1. longitudinally framed
2. transversely framed
3. cellular framed
4. web framed

ANS.: B

12. On a Vessel, the deck stringer is the outboard most deck ________________.

1. plating
2. beam
3. stiffener
4. stanchion

ANS.: A

13. Reserve buoyancy is the _____________.
    1. unoccupied space below the waterline
    2. volume of intact space above the waterline
    3. excess of the buoyant force over gravitational force
    4. difference between buoyancy in salt and fresh waters

ANS.: B

14. You can generally improve the vessel’s stability in a hazardous situation by _______________.

1. pumping double bottoms to the forepeak
2. ballasting deep tanks
3. transferring ballast athwartships
4. deballasting double bottoms

ANS.: B

15. 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?

1. The reserve buoyancy will rise.
2. The center of gravity will remain in the same position.
3. The center of gravity will be lowered.
4. The reserve buoyancy will remain the same.

ANS.: C

16. If a vessel rolls to the starboard side, and there are no movable or moving weights onboard, the center of gravity will ____________.

1. move to port
2. move to starboard
3. move directly down
4. stay in the same position

ANS.: D

17. In the event of a collision, watertight integrity may be lost if _____________.

1. the sounding tube cap from a damaged tank is missing
2. the dogs on a manhole cover are secure
3. you have recently replaced a gasket in a watertight door
4. you operate the dewatering system from a flooded compartment

ANS.: A

18. The existence of liquids in partially full tanks or compartments of a Ship causes a virtual rise in the height of the _______________.

1. metacenter
2. center of buoyancy
3. center of flotation
4. center of gravity

ANS.: D

19. A load line for an Indian Ship is assigned by the ______________.

1. Mercantile Marine Department
2. Ministry of Shipping
3. Directorate General of Shipping
4. Not necessary a member of IACS
5. None of the above

ANS.: D

20. Adding the transverse free surface correction to the uncorrected height of the center of gravity of a vessel yields ____________.

1. “FSCT”
2. “KG”
3. “KGT”
4. “GMT”

ANS.: C

21. The difference b/w the average of the forward and aft drafts is _____________.

1. list
2. heel
3. trim
4. flotation

ANS.: C

22. In the absence of external forces, adding weight to one side of a floating vessel, will cause the vessel to ____________.

1. heel until the angle of loll is reached
2. list until the center of buoyancy is aligned vertically with the center of gravity
3. trim to the side opposite TCG until all moments are equal
4. decrease draft at the center of flotation

ANS.: B

23. A vessel departed from point “A” at 1206 with a counter reading of 616729 and arrived at point “B” with a counter reading of 731929 at 1148 the following day. This vessel is equipped with a 630cm diameter propeller, with a pitch of 610cm. The observed distance of 404.16 nautical miles was covered at an observed speed of 16.85 knots. What should be the apparent slip for this trip?

1. 1.04%
2. 1.29%
3. -6.65%
4. -11.04%

ANS.: C

24. A continuous watertight bulkhead on a Vessel may also be a/an _____________.

1. structural bulkhead
2. exterior bulkhead
3. centerline bulkhead
4. joiner bulkhead

ANS.: A

25. Regarding Vessel construction, Partitions in the living quarters are generally __________.

1. Structural bulkheads
2. watertight
3. non-structural bulkheads
4. continuous bulkheads

ANS.: C

26. Vertical partitions providing strength and compartmentation on a Vessel are called _____________.

1. decks
2. bulkheads
3. joiner work
4. walls

ANS.: B

27. Bulkheads forming part of the tanks on a Vessel are stiffened to withstand _______________.

1. deck loads from above
2. dynamic forces while afloat
3. hydrostatic pressure
4. overpressurization

ANS.: C

28. The decks of a Vessel are supported by transverse members called _______________.

1. trusses
2. deck longitudinals
3. deck beams
4. web frames

ANS.: C

29. On a Vessel, the keel is the primary strength member of the lower hull form and is laid in which direction?

1. Transverse
2. Diagonal
3. Longitudinal
4. Vertical

ANS.: C

30. Compared to internal structural plating, the exterior hull plating on a Vessel is usually _____________.

1. stronger
2. thinner
3. more corrosion resistant
4. a lower grade steel

ANS.: A