DieselShip's Online Content Library

Q1. a) What is the purpose of providing air pipes to tanks in the vessel? (5)

b) Sketch an arrangement of air vent head situated on the weather deck. (6)

c) What factors are considered in deciding the bore size of air pipe? (5)

Q1. (a) What is a right-handed and a left-handed propeller? (4)

(b) With the aid of simple sketches explain Rake, Skew and Pitch of the propeller. (6)

(c) What are the advantages and disadvantages of CPP? (6)

Q3. a) What are the various types of tankers for carrying bulk liquids? (6)

b) Sketch a mid-ship section of a double-hulled crude oil tanker. (10)

Q3. Briefly explain the following ship terms used:

(a) LOA (2)

(b) LBP (2)

(c) Breadth Extreme (2)

(d) Breadth Moulded (2)

(e) Depth Extreme (2)

(f) Depth Moulded (2)

(g) Draught Extreme (2)

(h) Draught Moulded (2)

Q5. a) Sketch a ship’s anchor & chain and label the various parts. (8)

b) Sketch the arrangement from anchor to the chain locker. (8)

Q6. A vessel of 10000 t displacement burns 25 t of fuel per day when her speed is 12 Knots. Calculate the probable consumption of fuel over a voyage of 3000 nautical miles at a speed of 11 knots with a displacement of 11000 t. (16)

Q7. A ship consumes 360 t of fuel, stores and water when moving from sea water of 1.025 t/m3 into fresh water of 1.000 t/m3 and on arrival it is found that the draught has remained constant.

Calculate the displacement in sea water. (16)

Q8. A ship 96 m long floating at 5 m fwd draft and 6.4 m aft draft. MCTC 180 tm, TPC 16. COF is 2 m abaft of midships. Find the location where a weight of 50 t should be placed so as to keep the aft draft constant. (16)

Q9. A ship 120 meters long at the waterline has equidistantly spaced half-ordinates commencing from forward as follows 0,3.7,5.9,7.6,7.5,4.6, and 0.1 meters respectively. Find the area of the waterplane using Simpson’s Second rule and the TPC at this draft, Water density is 1.025 t/m3. (16)