Engineering, Control Systems. Test 19

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

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

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

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

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

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

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

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

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

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 remains constant, same fuel pump viscosity.
Temperature will increase when 380 cst fuel is used.
Temperature will decrease when 380 cst fuel is used.

Review Answers

Engineering, Control Systems. Test 19

Engineering, Control Systems. Test 19

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