Auxiliary Machinery. Test 1 – Online Maritime Tests

What to do if Your ship receive HFO with high density , from the last bunkering, to obtain the best purifying result?

What is the best operating conditions for the separator?

Insufficient cooling water circulation in a refrigeration condenser will have the following effect on the compressor:

Why is it so important to suck back as much freon liquid as possible from the evaporators, before You stop the compressor?

If the heat transfer capacity in a heat exchanger is dropping, the following action should be taken:

What pressure is present in the crankcase of a freon compressor?

A boiler plant has been shut down for some time.Prior to starting the boiler, which of the following subjects is the 'most important' control check?

That fuel oil supply system is running on diesel oil.
That the burner unit to be thoroughly checked prior to start.
That the combustion chamber of the boiler is checked being empty for oil and that the pre ventilation function prior to ignition is functioning.
That all automatic functions are to be checked prior starting.

Why is it important that the combustion chamber of a boiler is properly ventilated prior to ignition?

Review Answers