Describe the possible causes and remedies for EACH of the following diesel engine faults:
(a) low lubricating oil pressure;(3)
(b) overheating;(3)
(c) unstable speed.(4)
MDE Unit 16 Q1 MDE Unit 16 Q1 Quiz
With reference to diesel engine high bearing temperatures:
(a) describe the possible causes;(5)
(b) explain the procedure to be adopted if detected.(5)
MDE Unit 16 Q2 MDE Unit 16 Q2 Quiz
With reference to leaking cylinder air start valves:
(a) describe how this may be detected whilst the engine is running;(2)
(b) describe the procedure on discovery;(4)
(c) list FOUR possible causes.(4)
MDE Unit 16 Q3 MDE Unit 16 Q3 Quiz
With reference to abnormal turbocharger vibration:
(a) explain the possible causes whilst operating at a steady speed;(5)
(b) describe how the causes explained in part (a) may be minimised.(5)
The air start pipework on a diesel engine attached to the cylinder head is becoming extremely hot.
Explain EACH of the following:
(a) the probable cause;(3)
(b) the consequences of this situation and the immediate action to be taken;(4)
(c) how this problem can be minimised.(3)
(a) State TWO possible causes for EACH of the following exhaust emissions:
(i) black smoke;(2)
(ii) blue smoke;(2)
(iii) white smoke.(2)
(b) State ONE remedy for EACH of the emissions in part (a).(3)
(c) State how combustion defects may be diagnosed.(1)
Describe the possible causes of abnormal diesel engine noises during operation.(10)
MDE Unit 16 Q7 MDE Unit 16 Q7 Quiz
Describe possible reasons for variations in the oil level of a main engine sump.(10)
MDE Unit 16 Q8 MDE Unit 16 Q8,9 Quiz
(a) Describe possible reasons for fluctuations in the oil level of a main engine sump.(8)
(b) State how spurious sump level alarms can be avoided.(2)
MDE Unit 16 Q9 Quiz
Describe the preparation and checks on a main propulsion system prior to going to sea.(10)