MEP-Feb-2021
Q1. With reference to Main Engine Fuel Pumps;
(a) Explain how the setting of a variable injection timing fuel pump is checked and adjusted.
(b) State why it may be necessary to adjust the settings of a variable injection timed fuel pump.;
Q2. 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 circuit
Q3. Briefly describe your action plan on following exigencies: A. Leaky economizer tube, while at sea; B. Leaky intercooler of main air compressor, while maneuvering.
Q4. With reference to Auxiliary boiler safety valve; A. Describe with the aid of Sketch the safety valve for an auxiliary boiler; B. Identify with reasons. The parts that require particularly close attention during overhaul; C. Describe how the safety valves are reset after an overhaul.
Q5. Explain how EACH of the following hull defects should be dealt with; A. A cracked weld; B. A severe indentation in way of a frame; C. Surfaces suffering from general corrosion although the extent of wastage does not warrant plate replacement; D. A bilge head fractured at the forward end.
Q6. What is the Rocking test of Deck Crane? Explain the procedure of the rocking test. Tabulate and indicate fault finding procedure. What is the action taken if the deviation is out of the limit?
Q7. A. Describe the procedure for opening a bottom end bearing for inspection making reference to the positioning of the crank and the safety precautions to be observed. B. State how the bearing clearance may be checked and adjusted when necessary C. State TWO defects, which may be encountered during inspection of the bottom end bearing and crankpin giving possible causes of EACH. D. State TWO checks, which should be made before returning the engine to service following an overhaul of the bottom end bearing.
Q8. Using sketches explain the difference between Pulse and constant pressure turbocharger systems. A. In the event of a Pulse turbocharger becoming inoperative due to mechanical breakdown explain the modifications required to allow the engine to operate safely. B. State the instruction you as the second engineer would issue regarding the additional engine monitoring requirements following the steps taken in (a).
Q9. A. With the aid of a simple sketch, explain the “trouble spots” in a basic air-conditioning unit. B. With reference to your sketch, explain the following: - i. How the problem of the increase in humidity of cooled air is overcome? ii. How discomfort caused by the excessive drying effect of heated air is overcome?
Q2. 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 circuit
Q3. Briefly describe your action plan on following exigencies: A. Leaky economizer tube, while at sea; B. Leaky intercooler of main air compressor, while maneuvering.
Q4. With reference to Auxiliary boiler safety valve; A. Describe with the aid of Sketch the safety valve for an auxiliary boiler; B. Identify with reasons. The parts that require particularly close attention during overhaul; C. Describe how the safety valves are reset after an overhaul.
Q5. Explain how EACH of the following hull defects should be dealt with; A. A cracked weld; B. A severe indentation in way of a frame; C. Surfaces suffering from general corrosion although the extent of wastage does not warrant plate replacement; D. A bilge head fractured at the forward end.
Q6. What is the Rocking test of Deck Crane? Explain the procedure of the rocking test. Tabulate and indicate fault finding procedure. What is the action taken if the deviation is out of the limit?
Q7. A. Describe the procedure for opening a bottom end bearing for inspection making reference to the positioning of the crank and the safety precautions to be observed. B. State how the bearing clearance may be checked and adjusted when necessary C. State TWO defects, which may be encountered during inspection of the bottom end bearing and crankpin giving possible causes of EACH. D. State TWO checks, which should be made before returning the engine to service following an overhaul of the bottom end bearing.
Q8. Using sketches explain the difference between Pulse and constant pressure turbocharger systems. A. In the event of a Pulse turbocharger becoming inoperative due to mechanical breakdown explain the modifications required to allow the engine to operate safely. B. State the instruction you as the second engineer would issue regarding the additional engine monitoring requirements following the steps taken in (a).
Q9. A. With the aid of a simple sketch, explain the “trouble spots” in a basic air-conditioning unit. B. With reference to your sketch, explain the following: - i. How the problem of the increase in humidity of cooled air is overcome? ii. How discomfort caused by the excessive drying effect of heated air is overcome?
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