DieselShip's Online Content Library

Q7. A. Describe how crosshead bearing and guide clearances can be checked. (6)

b. Describe, with the aid of a sketch, the procedure for checking the condition of a crosshead engine bottom end bearing surface. (10)

Q1. (a) In the case of a main engine and Controllable Pitch Propeller not responding to bridge control, describe the routine for changing to and using Engine Room control. (8)

(b) Explain how control of fuel pump delivery is achieved when emergency manoeuvring on engine side control of a large 2 stroke crosshead engine. (8)

Q6. A significant number of machinery failures are due to poor maintenance techniques.

State, with reasons, the possible consequences of poor maintenance techniques on EACH of the following:

(a) Main engine lubricating oil self-cleaning filters. (4)

(b) Cylinder liner honing. (4)

(c) Auxiliary engine bottom end bearing overhaul. (4)

(d) Fitting of piston compression and oil control rings. (4)

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)

Q3. With reference to engine operation:

a) State, with reasons, the symptoms which would indicate a cylinder head had cracked between the combustion chamber and the water space. (4)

b) describe the actions that should be taken if the engine with the symptoms in part (a) cannot be immediately stopped. (6)

c) write a report to the Superintendent outlining the probable cause and actions to prevent further occurrence.

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)