Q1. (a) State the reason for turning the engine with the turning gear prior to starting (4)
(b) State the reason for leaving the indicator cocks on main engine cylinders open when the engine is turned initially with the turning gear. (4)
(c) State the reason for leaving the lubricating oil circulating after "Finish with Engines". (4)
(d) State why diesel alternator cooling water may be circulated through the main engine after shutdown. (4)
Q2. Describe the function of EACH of the following components of a diesel engine:
(a) Chocks (4)
(b) Bedplate (4)
(c) Tie rods (4)
(d) Entablature. (4)
Q3. Describe the procedure to change the fuel supply system of the main propulsion engine from high viscosity fuel to low viscosity fuel such as diesel oil whilst on passage. (16)
Q4. With reference to main start air compressors:
(a) State how a deterioration in the efficiency would be detected (4)
(b) State FOUR causes for deterioration in efficiency (8)
(c) Describe a test for establishing performance (4)
Q5. Describe, with the aid of sketches, the procedure for testing a boiler gauge glass (16)
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