DieselShip's Online Content Library

Q1. Describe materials used for following equipment’s with composition and qualities required.

a) Propeller. (4)

b) Propeller Shaft. (4)

c) Engine Gears. (4)

d) Bearings. (4)

Q6. (a) Describe different components used in soldering process. (6)
(b) Describe soldering process in detail. (6)
(c) What are Do's and Don'ts for good soldering joint. (4)

Q3. a) Describe types of welds made in arc welding process and their use. (4)

b) Describe various type of welding defects in welding operation. Discuss the causes of these defects. (6)

c) Discuss types of distortions found in welding operations. Discuss the causes and correction methods. (6)

Q4. a) Describe function of oil seals. (6)

b) Describe materials with their qualities used for making shaft seals. (6)

c) Describe cares to be taken in storing shaft seals. (4)

Q5. a) Describe safety issues which need to be addressed at all times during vessel is in Dry Dock. (8)

b) Describe common Dry Dock Jobs with their inspection points during dry docking of the vessel. (8)

Q6. Describe procedures for following maintenance works of rudder in dry dock.

a) What are pintle clearances and how they are measured? (5)

b) What is the procedure for inspection of Rudder? (5)

c) What is procedure for applying coating to internal surfaces of Rudder? (6)

Q7. Describe the following turbocharger cleaning operations.
(a) Turbine side water washing. (6)
(b) Turbine side Dry Cleaning. (5)
(c) Blower side water washing (5)

Q8. a) Describe the reasons for checking crank web deflections. (8)

b) Describe the procedure for taking and recording crank web deflections of main engine. (8)

Q8. (a) Describe maintenance required on auxiliary boiler burner. (8)
(b) Describe safety features provided on fuel burning system of auxiliary boiler (8)