AME 10 Q6

1 / 4

What could be a possible cause of the high jacket water temperature alarm, despite the header tank being full and both HT and SW pumps running in good condition?

A. Blocked heat exchanger

C. Faulty temperature sensor

D. Excessive engine load

B. Low fuel pressure

2 / 4

If the heat exchanger is found to be clear, what could be another potential cause of the rising jacket water temperature?

B. Low seawater temperature

A. Airlock in the cooling system

D. Worn piston rings

C. Incorrect fuel injection timing

3 / 4

Which of the following actions should be taken first when the jacket water temperature continues to rise despite all systems appearing to be in good condition?

C. Inspect the heat exchanger for blockages

D. Reduce engine load

B. Check the temperature sensor for accuracy

A. Increase engine speed to improve circulation

4 / 4

What is a potential action to take if an airlock is suspected in the cooling system?

C. Add more coolant to the system

D. Replace the thermostat

A. Increase engine load

B. Bleed the cooling system

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