MEP-Dec-2020
Q1.Write short note on the followings – A. Metal – locking; B.TIG and MIG welding; C. Brazing; D. Soldering.;
Q2. With the aid of a simple sketch, explain the “trouble spots” in a basic air-conditioning unit with reference to your sketch, explain the following: - i. How the problem of increase in humidity of cooled air is overcome? ii. How discomfort caused by the excessive drying effect of heated air is overcome?;
Q3. Accidents regularly occur due to premature or accidental release of Co2 into machinery spaces With reference to this enumerate the procedure or arrangement that you as 2nd engineer would adopt with respect of the following A. Contractors working on Co 2 system; B. Understanding between bridge and engine room in the event of a machinery space fire; C. Familiarizing staff with the system; D. Checks and tests are carried out before putting system in operation?
Q4. Briefly describe your action plan on following exigencies: A. Leaky economizer tube, while at sea; B. Leaky intercooler of main air compressor, while maneuvering.
Q5. As a second engineer, list out all the hazards identified with regard to cylinder head lifting job during main engine overhaul. Explain how do you carry out risk assessment for above mentioned job.
Q6. 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.;
Q7. With respect to hydraulic Ram steering gears; A. What emergency locking device can be used in order to speedily bring the steering gear to rest? State one reason the best angular position to lock the steering gear. B. Use a simple sketch to show where the Jumping (top) and wear down (bottom) rudder carrier ring clearances can be measured. Indicate what clearances you would expect with a new steering gear; C. State the consequences of the wear down clearances being reduced to less than zero.
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. A. State the circumstances owing to which it may be necessary to renew a cylinder liner; B. Explain how the liner is removed C. Explain how the new liner is fitted; D. State the important checks to be made before and after fitting cylinder liner.
Q2. With the aid of a simple sketch, explain the “trouble spots” in a basic air-conditioning unit with reference to your sketch, explain the following: - i. How the problem of increase in humidity of cooled air is overcome? ii. How discomfort caused by the excessive drying effect of heated air is overcome?;
Q3. Accidents regularly occur due to premature or accidental release of Co2 into machinery spaces With reference to this enumerate the procedure or arrangement that you as 2nd engineer would adopt with respect of the following A. Contractors working on Co 2 system; B. Understanding between bridge and engine room in the event of a machinery space fire; C. Familiarizing staff with the system; D. Checks and tests are carried out before putting system in operation?
Q4. Briefly describe your action plan on following exigencies: A. Leaky economizer tube, while at sea; B. Leaky intercooler of main air compressor, while maneuvering.
Q5. As a second engineer, list out all the hazards identified with regard to cylinder head lifting job during main engine overhaul. Explain how do you carry out risk assessment for above mentioned job.
Q6. 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.;
Q7. With respect to hydraulic Ram steering gears; A. What emergency locking device can be used in order to speedily bring the steering gear to rest? State one reason the best angular position to lock the steering gear. B. Use a simple sketch to show where the Jumping (top) and wear down (bottom) rudder carrier ring clearances can be measured. Indicate what clearances you would expect with a new steering gear; C. State the consequences of the wear down clearances being reduced to less than zero.
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. A. State the circumstances owing to which it may be necessary to renew a cylinder liner; B. Explain how the liner is removed C. Explain how the new liner is fitted; D. State the important checks to be made before and after fitting cylinder liner.
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