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Q1. A. Few main engine exhaust temperatures displayed in the engine control room from those displayed locally on the engine for the same cylinders. 1. How would you find out incorrect readings 2. State possible reasons for those incorrect readings 3. How are the faults detected? B. What periodical checks are carried out to ensure that remote readings like those in the engine control room are correct.

Q2. Sketch a cylinder liner of a two-stroke main engine and describe procedure for inspecting it indicating areas of significant interest. B. Where and how do the faults occur in a cylinder liner?

Q3. With reference to main engine automatic slowdown and shutdown systems;

A. List TWO parameters for shutdown and slowdown, state reasons for having these parameters for shutdown and slowdown of engines.

B. How are the above chosen parameters tested while engine is in operation?

Q6. Under Continuous survey of machinery (CSM) bottom end bearing of a large 2stroke slow speed engine is due for survey.

A. As second engineer, explain the procedure involved in complete inspection of a bottom end bearing.

B. List the precaution to be taken.

C. Indicate the reasons for possible defects which could be encountered and state how they may be rectified.

D. What test are carried out on completion of survey and re-assembly.

Q8.  Describe the procedure to be undertaken when, upon a routine schedule for changing fuel injector on a main engine, it is found that the injector body is seized and cannot be removed by conventional means

Q7. Briefly describe your action plan on following exigencies:

A. Leaky economizer tube, while at sea;

B. Leaky intercooler of main air compressor, while manoeuvring.

Q8. Explain in detail how you would isolate one of sprinkler system for routine maintenance. Describe all tests and inspections you would make and how you would return the system to service.

Q9. During normal engine operation, a turbocharger rapidly loses speed and the speed reduction is accompanied by appreciable noise -

A. State with reasons the possible causes.

B. Explain in detail how the engine might be safely operated if the damage caused by this incident is such that the turbocharger cannot function.

C. State with reasons the factors which may limit engine operating speed with the turbocharger out of operation.

Q9. Severe engine vibration has recently become evident when the main engine for which you are responsible operates within a certain speed range –

A. State, with reasons, the possible causes of such vibration;

B. State the consequences of operating the engine under such vibratory conditions;

C. Describe the procedure you, as Second Engineer, would implement in order to investigate and rectify the problem.