DieselShip's Online Content Library

Q1. (a) What are the various Static stresses that act on a vessel at rest in still water? Explain with the aid of sketches. (10)

(b) Give examples for dynamic stresses on a vessel? (6)

Q3. Draw a labeled sketch of one half of midship section of a single hull bulk carrier. (16)

Q3. a) Describe with the aid of sketches the terms

a) camber    b) sheer    c) rise of floor   d) flare

B) What is the purpose of these? (16)

Q5. (a) Sketch and describe the anchor and chain arrangement in the forecastle of a vessel (10)

(b) What is bitter end and when and how it is put to use? (6)

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)

Q6. a) What are the various resistances acting against the motion of the ship? (6)

b) A vessel uses 300 t of fuel on a voyage of 3000 nautical miles at a speed of 12 knots when her displacement is 10000 t. Estimate the fuel required for an estimated voyage of 1500 nautical miles at a speed of 15 knots and displacement of 14000 t. (10)

Q7. a) Explain with the aid of a simple sketch ullage and sounding of a tank. (6)

b) A deep tank 10 m wide and 10 m deep has a rectangular manhole of 1.2 m X 0.6 m at the forward end. The longer sides of the manhole are horizontal and its lower edge is 0.7 m from the bottom of the tank. Find the thrust experienced by the manhole cover when the tank has oil of RD 0.8 to an ullage of 1 m. (10)

Q8. a) What is the effect of density of water on draught and TPC? (6)

b) A ship of 15000 t displacement floats at a draught of 7 m in water of RD 1.000. It is required to load the maximum amount of all to give the ship a draught of 7 m in sea water of RD 1.025. If the water plane area is 2150 m², Calculate the mass of oil required. (10)

Q9. a) Draw a metacentric diagram for a vessel of constant triangle cross-section (6)

b) A block of wood of uniform density has a constant cross-section in the form of a triangle, apex down. The width is 0.5 m and the depth 0.5 m. It floats at a draught of 0.45 m. Calculate the metacentric height (10)