Engineering, Control Systems. Test 19

What is an indication of a leaking heat exchanger on the jacket cooling water system?

High jacket water temperature.
Inadequate coolant flow.
Low alkalinity readings.
High chloride readings in the jacket water.

What is the distance between the piston and the cylinder head when the piston is at bottom dead centre?

The compression clearance.
The combustion clearance.
The cylinder clearance.
The valve clearance.

How frequently are the tanks (item number 3) of this fuel oil schematic diagram refilled ?

They are constantly refilled by the fuel purifier.
They are refilled once per day.
They are refilled twice a week.
They are refilled only when required.

How is the gudgeon pin removed on a trunk piston engine?

Force out with an extractor.
Heat the piston with a soft flame.
Heat the piston using water or oil.
Hammer using brass dolly and supporting piston.

Paint spraying has been carried out in the engine room while the engine was running and the turbocharger was not protected. This could cause which of the following ?

Higher than normal revolutions on the turbocharger.
Higher then normal exhaust gas temperatures.
Higher than normal scavenging air pressure.
Lower than normal revolutions on the turbocharger.

Fuel of 180 cst is in use on board. Fuel of 380 cst is now being bunkered. How will this affect the reading of thermometer 'T' ?

None of the other options.
Temperature will decrease when 380 cst fuel is used.
Temperature will increase when 380 cst fuel is used.
Temperature remains constant, same fuel pump viscosity.

Review Answers

Engineering, Control Systems. Test 19

Engineering, Control Systems. Test 19

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