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Types of ships
1. Flush decked ship:- is the original type in which the upper deck is also the freeboard deck. 2. Three island ship:- is one in which machinery casing is raised […]
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Type of keel
At first there was bar keel which was used extensively , but since there is no direct connection be keel and floor hence they slowly become obsolete and flat bar […]
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How to join superstructure to the deck?
This question can also be asked as how to join aluminium with steel. Well the answer is quite tricky as both of them cannot be joined directly as it will […]
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M/E Cooling Water Inhibitor
Cooling water treatment is carried out to prevent corrosion. This is because distilled water has the tendency to absorb CO2, O2. CO2 FORMS CARBONIC ACID. It leads to rust in […]
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Cylinder Liner Honing and Lacquering
Honing Honing is carried out when liner gets glazed and looses it’s rough surface. Rough surface is required so as to sustain lube oil film so that there is a […]
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ELECTRICAL ORAL QUESTIONS CONTD.
Q) How do you test emergency generator? Ans.) Regular or weekly testing of the emergency generator should include simulation of the loss of normal power. The start up equipment may […]
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COMPRESSOR
Q. How to take air compressor bumping clearance without opening the head ? Ans.) Open c/case remove bottom end bearings put magnetic type dial guage on connecting rod n lift […]
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ELECTRICAL ORAL QUESTIONS
Q)What is special about steering gear safety. Ans.)It has got overload alarm at 150% and short circuit trip. Q)Maintenance of alternator what all to do. Ans.) (a) Clean the felt/ […]
