95MEKG-4
Sr. No. 4
EXAMINATION OF MARINE ENGINEER OFFICER
Function: Marine Engineering at Operational Level
MARINE ENGINEERING KNOWLEDGE
(GENERAL)
CLASS IV
(Time allowed - 3 hours)
INDIA (2001) Morning Paper Total Marks 100
N.B. - (1) All questions are compulsory.
(2) All Questions carry equal marks.
(3) Neatness in handwriting and clarity in expression carries weightage
1. Give a brief note to the support crew on the virtues of keeping the engine room clean and free from oil spills and wastage to avoid inviting a deficiency under port state control inspection.
2. Sketch and describe an engine room oil transfer system clearly showing fittings. State types of valves fitted in the system.
3. Write brief notes on the following:
A. incinerators
B. air relief valves
C. mixing columns
4. In Vessel construction, beam brackets are triangular plates joining the deck beam to a ______.
A. bulkhead
B. frame
C. stanchion
D. deck longitudinal
Briefly Justify Your Answer
5. The cylinders and intercoolers of most low pressure air compressors are cooled by ______.
A. water
B. oil
C. air
D. CO2
Briefly Justify Your Answer
6. A one ton air conditioning system has which of the listed operating characteristics?
A. It forces approximately 1000kgs of refrigerant through the evaporator per day.
B. It forces approximately 1000kgs of air per hour across the evaporator coils.
C. Its cooling power equals that of melting approximately 1000kgs of ice per day.
D. It contains approximately 1000kgs of refrigerant.
Briefly Justify Your Answer
7. Which of the materials listed is used as the dynamic seal material on mechanical seals installed on most centrifugal pumps used in water service?
A. Copper.
B. Copper and carbon.
C. Carbon.
D. Bronze.
Briefly Justify Your Answer
8. When using a handheld hacksaw, you should apply pressure only on the forward stroke ______.
A. only when cutting thin wall tubing
B. only when cutting carbon steel
C. only when cutting conduit
D. at all times
Briefly Justify Your Answer
9. An important consideration in selecting a lubricating oil for use in a refrigeration compressor is for the oil to ______.
A. have a high viscosity index
B. mix readily with refrigerant
C. have a high freezing point
D. have a low pour point
Briefly Justify Your Answer
10. If the intercooler relief valve lifts while an air compressor is operating under load, you should check for ______.
A. a defective pressure switch or pilot valve
B. a leak in the intercooler piping
C. leakage through the low pressure unloader control diaphragm
D. leaking high pressure discharge valves
Briefly Justify Your Answer
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95MEKG-4
Sr. No. 4
EXAMINATION OF MARINE ENGINEER OFFICER
Function: Marine Engineering at Operational Level
MARINE ENGINEERING KNOWLEDGE
(GENERAL)
CLASS IV
(Time allowed - 3 hours)
INDIA (2001) Morning Paper Total Marks 100
N.B. - (1) All questions are compulsory.
(2) All Questions carry equal marks.
(3) Neatness in handwriting and clarity in expression carries weightage
Answers
Answer for Question No. 4 Correct Answer: B
Answer for Question No. 5 Correct Answer: C
Answer for Question No. 6 Correct Answer: C
Answer for Question No. 7 Correct Answer: C
Answer for Question No. 8 Correct Answer: D
Answer for Question No. 9 Correct Answer: D
Answer for Question No. 10 Correct Answer: D