Q1. With reference to the operation of main propulsion engines, outline the importance of EACH of the following:
(a) Maintaining the temperature of the scavenge air above the dewpoint (4)
(b) Maintaining the fuel at the correct viscosity for injection (4)
(c) Regular on board testing of the lubricating oil (4)
(d) Ensuring rotation of exhaust valves (4)
Q5. With reference to auxiliary boilers:
(a) State the effect on operation in the event of EACH of the following conditions:
(i) High water level; (2)
(ii) Low water level; (2)
(iii) Extra-low or low-low water level. (2)
(b) Describe the procedure for verifying the water level in a low-pressure boiler gauge glass. (10)
Username or email address *Required
Password *Required
Note: Entering wrong username in the login form will ban your IP address immediately. Entering wrong password multiple times will also ban your IP address temporarily.
Log in
Lost your password? Remember me
No account yet?
