MDE 16 Q10

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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 5:

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

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

D. To avoid using the auxiliary engine for longer periods

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

A. To burn off excess lubricating oil

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Question 5:

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

B. Worn-out valve guides

D. Low coolant level

A. Loose or worn-out fan belt

C. Clogged air filter

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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

C. Check for any leaks in the cooling water system

A. Inspect the cooling water level in the expansion tank

D. All of the above

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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?

A. Excessive blow-by gases

B. Oil pump malfunction

D. Worn-out main bearings

C. Variations in engine load

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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

B. Loose timing chain

D. Excessive carbon build-up in the combustion chamber

A. Broken engine mounts

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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?

A. Verifying that the gearbox oil level is correct

C. Checking for unusual noises during operation

B. Ensuring that the gearbox is in neutral

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?

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

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

Your score is