MEP MEO Class 2 Written Question (APR 2023)

EXAMINATION OF MARINE ENGINEER OFFICER

MARINE ENGINEERING PRACTICE

M.E.O. CLASS II

TIME - 3 HOURS  Total Marks - 100

Q1. A. Describe how a main engine fuel pump would be set and checked for:

(i) Timing; (ii) Quantity

B. Explain how a setting of a variable injection timing fuel pump is checked and adjusted.

C. State why it be necessary to adjust the settings of a variable injection timed fuel pump.

Q2. What is understood by risk on board ship? As a 2nd engineer discuss various methods for hazard identification and assessment of risk available on board.

Q3. A. As second engineer describe the procedure involved in the complete inspection of a cylinder liner and piston assembly, indicating areas of significant interest.

B. Explain with reasons, possible faults which might be found;

C. Suggest how such faults might be avoided.

Q4. (a) With the aid of a simple sketch, explain the “trouble spots” in a basic air-conditioning unit and with reference to your sketch, explain the following: -

(a). How the problem of increase in humidity of cooled air is overcome?

(b). How discomfort caused by the excessive drying effect of heated air is overcome?

Q5. Explain in detail how you would isolate CO2 Fixed firefighting system foe routine maintenance. Please enumerate the Maintenance schedules and their frequency performed on this system. Describe all tests and inspections you would make and how you would return the system to service.

Q6. a) Describe Three methods of tracing a superficial crack in a marine machinery component;

b) Explain how propagation of a crack in a machinery component can be arrested.

Q7: Boiler automatic combustion control has failed during operation of boiler. Explain:

A. Procedures to operate boiler in emergency

B. Action plan to investigate, rectify and bring system to normal boiler operation.

Q8: A. Outline the procedure for the inspection of the rudder in a dry dock.

B. What are the requirement with respect to steeling gear as per SOLAS 74, as amended for the following:

i. Relief valve;

ii. Steering gear control;

iii. Electrical power circuits.

Q9. Explain how each of the following conditions contributes to the satisfactory performance of oil centrifuges.

A. Correct bowl speed;

B. Cleanliness of bowl;

C. Low rate of feed to the bowl;

D. Contaminated oil preheated prior to centrifuging;

E. Contaminated oil allowed standing for an appreciable time prior to centrifuging.