Engineering, Control Systems. Test 19

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

High chloride readings in the jacket water.
Inadequate coolant flow.
High jacket water temperature.
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 refilled twice a week.
They are constantly refilled by the fuel purifier.

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

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

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.
Lower than normal revolutions on the turbocharger.
Higher than normal scavenging air pressure.

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

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

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 decrease when 380 cst fuel is used.
Temperature will increase when 380 cst fuel is used.

Review Answers

Engineering, Control Systems. Test 19

Engineering, Control Systems. Test 19

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