Auxiliary Machinery. Test 7 – Online Maritime Tests

The most important preparation prior to Arrival to / Departure from ports is:

The most important preparation prior to Arrival to / Departure from ports is:

When an air compressor is going to be started it is important that the compressor is started with the 'blow off' valves open. Why?

To be sure that all pressure valves in the HP line to the starting bottle are open.
To ensure that the electric motor will not have a too low torque during start.
To ensure that the compressor does not have any back pressure due to leak suction valve in stage one.
To ensure that we do not have any water assembly in the cylinders when the compressor start.

What will you do if the liquid start raising in the Surge Drum? (Direct cooling / refrigeration system).

What will happen with the interface in the bowl, if the flow is too high?

If the temperature decrease, what will happen with the interface in the bowl ?

What will You do if the purifier starts to vibrate, or has heavy vibrations?

Try to decrease flow.
Check the vibration alarm.
Stop the purifier immediately. Check the bowl for heavy side, deposits, bearings, housing, and the spindle for damage.
Try to increase the flow.

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