Auxiliary Machinery. Test 61

Whilst taking over of the watch, besides verifying standing orders and the actual condition of the plant, tank levels and operations, what other important matter should you verify?

That the bilges of all wells pumped.
Where are the leakages in pipes, tanks and equipment.
If any workis being performed in the engine room.
What is the firefighting equipment in state of readiness.

What is the maximum salinity allowable (in ppm) for water produced by this fresh water generator when it is to be used in medium pressure water tube boilers ?

15 ppm.
2ppm.
7 ppm.
20 ppm.

How do you test the probes for the 15 ppm monitor ?

By immersing in oil.
They have to be changed, onboard testing is not possible.
By checking in air and immersing in water.
It is only necessary to clean them.

Flash point of oil is the temperature at which _____

It will ignite in the cylinder.
condensation occurs.
it should be stored in a pressurised tank.
flammable vapours form at its surface.

Why should refrigerator compressor oil be stored in small capacity drums?

Ease of handling.
Only small quantities are required.
Refrigerator oil is hygroscopic and should not be stored in part full drums.
Ease of stowage.

Review Answers

Auxiliary Machinery. Test 61

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