Question 1
A heat exchanger where two liquids flow in opposite directions is called ...
- Counter-flow.
- Horizontal flow.
- Opposite flow.
- Parallel flow.
TOTS 1B-Operation, Monitoring, Machinery
CBT 70 questions
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Question 2
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 3
A lub oil purifier fault alarm, if not attended to immediately ...- May result in a breakdown.
- May result in good lub oil discharging to the sludge tank.
- May result in an overload condition.
- May result in contamination of the oil.
Question 4
A ship’s air conditioning system is normally designed to give ...- Six to eight changes of air per hour.
- Ten to twelve changes of air per hour.
- Twelve to sixteen changes of air per hour.
- Two to three changes of air per hour.
Question 5
An electrical driven ballast pump will not start because one of the main fuses has blown. Which of the following would you check, prior to trying to restart the pump motor?- The control system fuses.
- The electrical power supply.
- The motor and pump rotation.
- The insulation of the motor windings.
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About this CBT test
TOTS 1B-Operation, Monitoring, Machinery is a CBT test with 70 questions and verified answers. Common topics include: main engine, refrigeration system, heat exchangers, oil, water, gas, cause, air.
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