Question 1
A general indication of good combustion in an operating engine is ...
- Clear exhaust gases.
- Less fuel and lube oil consumption.
- Less noise and less vibration.
- Slightly sooty exhaust gases.
TOTS 1C-Operation, Monitoring, Machinery
CBT 76 questions
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Question 2
A heat exchanger where two liquids flow in opposite directions is called ...- Horizontal flow.
- Counter-flow.
- Opposite flow.
- Parallel flow.
Question 3
A high vacuum reading on the suction side of a gear pump ...- Is indicative of partially opened suction valves or blocked strainers.
- Is indicative of damaged gears.
- Means that the discharge valve is shut.
- Shows normal condition.
Question 4
A lub oil purifier fault alarm, if not attended to immediately ...- May result in a breakdown.
- May result in an overload condition.
- May result in contamination of the oil.
- May result in good lub oil discharging to the sludge tank.
Question 5
A ship’s air conditioning system is normally designed to give ...- Ten to twelve changes of air per hour.
- Six to eight changes of air per hour.
- Twelve to sixteen changes of air per hour.
- Two to three changes of air per hour.
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About this CBT test
TOTS 1C-Operation, Monitoring, Machinery is a CBT test with 76 questions and verified answers. Common topics include: refrigeration system, heat exchangers, main engine, gas, water, oil, air, inert.
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