Ship construction online questions

Find the coefficient of water plane. Station: AP 2 3 4 FP ?? breadth (m): 0.6 1.1 1.6 0.9 0.1 Length of water plane is 15 meters.
A. 0.82 B. 0.72 C. 0.62 D. 0.52
Table 1	Station	AP	1	2	3	4	5	FP
	?? Breadths	2.5	4.73	5.88	6.0	5.09	3.11	0.0
Table 2	Station	AP	-1	-2	-3
	?? Breadths	2.5	1.88	1.25	0.63

The 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
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 0.2 Length between perpendiculars is 14 meters. Consider the nearest value.
A. 0.56 tonnes/cm B. 0.34 tonnes/cm C. 0.43 tonnes/cm D. 0.65 tonnes/cm
The ship???s model estimates the
A. Hull Frictional Resistance B. Hull Wave Making Resistance C. All of above D. None of above
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
The surface of each blade of propeller when viewed from aft is known as the __________________
A. Back B. Leading edge C. Trailing edge D. Face
The cyclic angular motion of a ship about the ford ???aft axis under the action of waves is known as:
A. Pitching B. Yawing C. Rolling D. Heaving
Curves of immersed cross-sectional area of a ship , plotted against draught for each transverse section , are known as
A. Cross curves of Stability B. Displacement Curves C. Hydrostatic Curves D. Bonjean Curves
Peak tanks are tested by:
A. Hose test B. By filling them with water up to load water line C. By filling them with water up to the maximum head which can come on them in practice or 2.44 m above tank crown, whichever is higher deep tanks D. None of the above
Plates used to connect stern frames to flat plate keel are called:
A. Shoe plates B. Coffin plates C. Stealer plates D. Boss plates
Mark: 4
In- water survey in lieu of a one of the two docking surveys in a 5-year period may be accepted when:
A. A suitable high resistance paint is applied to the ship???s underwater hull B. The ship is less than 15 years old C. The in-water survey provides all the information required by classification society D. A part of the ship is on fire
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
In a shell expansion plan, plate D5 refers to:
A. Fourth plate from aft and fifth strake from keel B. Fifth plate from aft and fourth strake from the keel C. Fourth plate from forward and fifth strake from keel D. Fifth plate from forward and fourth strake from keel
A. 7, Plate Type
B. 5, Corrugated Type
C. 7, Corrugated Type
D. 5, Box type

Which component in the given Figure is a bulkhead? What type of bulkhead is it?

Identify the part no. 3 of the given figure :

A. Upper deck

B. Tween deck

C. Deck transverse

D. Deck girder

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

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.

Find the TPC when offset of water plane is as follows: Station AP 2 3 4 5 FP ?? breadth (m) 0.9 1.5 2.1 1.6 0.9 0.1 Length of water plane is 15 meters.

A. 0.2 t/cm B. 0.3 t/cm C. 0.4 t/cm D. 0.5 t/cm

Panting arrangements are usually fitted up to __________ percent of ship???s length abaft the stem.

A. 10 B. 20 C. 15 D. 25

In longitudinally framed double bottoms, in frame spaces where there are no solid floors,  the brackets on tank sides and center girder  should not be more than ___________ apart.

A. 2.5m B. 3.7m C. 3.8m D. 1.25m

As per conditions of assignments, the minimum height of air  pipe openings must be ________ on the freeboard deck

A. 380 mm B. 450 mm C. 600 mm D. 760 mm

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

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

In longitudinally framed double bottoms, solid plate floors are fitted at _________ frame space in pounding region and at ________frame space under the main engine.

A. Alternate, every B. Alternate, alternate C. Every, every D. Every, alternate

A box barge, length 35m and beam 7m, is floating at draft 3m in brackish water, density 1.012t/m3. The length of mid-ship compartment is 10m and full depth. The compartment is bilged. Find the new draft.

A. 4.2 m; B. 4.4 m C. 4.3 m; D. 4.1 m