MEK Exit Exam • Set 3 Question 2 of 30

Diesel engine bearing will get damaged if supply of ___________ is not enough

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Direct Answer

Option A: lubricating oil

Bearings in a diesel engine rely on a continuous supply of lubricating oil to create a film that separates moving surfaces, reducing friction and wear. A lack of lubricating oil will lead to metal-to-metal contact, overheating, and eventual bearing seizure or damage.

All Options

A

lubricating oil (Correct Answer)

B

fuel

C

air

D

water

Detailed Explanation & Context

Bearings in a diesel engine rely on a continuous supply of lubricating oil to create a film that separates moving surfaces, reducing friction and wear. A lack of lubricating oil will lead to metal-to-metal contact, overheating, and eventual bearing seizure or damage.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Marine Engineering Knowledge (MEK).

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