Engineering, Control Systems. Test 19

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 ?

Lower than normal revolutions on the turbocharger.
Higher than normal scavenging air pressure.
Higher then normal exhaust gas temperatures.
Higher 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 remains constant, same fuel pump viscosity.
Temperature will increase when 380 cst fuel is used.

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

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

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

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

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

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

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

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

Review Answers

Engineering, Control Systems. Test 19

Engineering, Control Systems. Test 19

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