MDE 16 Q10

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Question 5:

What might be the cause of a high-pitched squealing noise in a diesel engine?

A. Loose or worn-out fan belt

D. Low coolant level

C. Clogged air filter

B. Worn-out valve guides

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Question 5:

Before leaving port, why is it important to conduct a test run of the main propulsion engine?

B. To ensure that all systems are operating correctly and respond as expected

C. To increase the engine's operating temperature to the maximum

D. To avoid using the auxiliary engine for longer periods

A. To burn off excess lubricating oil

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Question 5:

Which of the following scenarios could lead to a false high oil level reading in the main engine sump?

B. Overfilled oil sump

A. Cold engine oil

C. Improperly seated dipstick

D. Engine running at full speed

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Question 3:

Which of the following is a potential reason for fluctuating oil levels in the main engine sump during operation?

C. Variations in engine load

A. Excessive blow-by gases

B. Oil pump malfunction

D. Worn-out main bearings

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Question 4:

A diesel engine is producing a thumping noise during operation. Which of the following is a probable cause?

C. Misaligned crankshaft

A. Broken engine mounts

B. Loose timing chain

D. Excessive carbon build-up in the combustion chamber

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Question 2:

Before departure, which of the following actions should be taken to ensure the correct operation of the main engine cooling water system?

B. Verify the correct operation of the cooling water pumps

A. Inspect the cooling water level in the expansion tank

C. Check for any leaks in the cooling water system

D. All of the above

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Question 1:

Which of the following checks should be performed on the main propulsion system's lubricating oil system before going to sea?

A. Ensure that the lubricating oil is at the correct temperature

D. All of the above

C. Verify that the lubricating oil level is within the acceptable range

B. Confirm that the lubricating oil filters are clean and operational

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Question 4:

Which of the following is an important check to perform on the main propulsion system's gearbox before departure?

D. All of the above

C. Checking for unusual noises during operation

B. Ensuring that the gearbox is in neutral

A. Verifying that the gearbox oil level is correct

Your score is