The Atlantic hydrographic chart is being （） continuously; even as we speak submarines are charting the Arctic basin under the ice.

A:rehearsed B:revised C:renewed D:retiled

To prevent the build up of high stresses engine must not be run continuously _____.

A:faster than dead slow speed B:slower than dead slow speed C:with the output of MCR D:at critical speeds

If a refrigeration compressor is running continuously without lowering temperature as normal in the refrigerator, the trouble may be _____.

A:excessive condenser cooling water B:warm food in the refrigerator C:a shortage of refrigerant D:s shortage of compressor oil

If a refrigeration compressor is running continuously without lowering the temperature in the refrigerated space, the trouble may be _____.

A:a shortage of compressor oil B:warm food in the refrigerator C:excessive condenser cooling water D:a shortage of refrigerant

_____ shall be continuously powered and shall have an automatic changeover to a stand by power supply in case of loss of normal power supply.

A:Cooling system B:Alarm system C:The air conditioning installation D:The mooring equipment

Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?

A:The fire pump should be started B:The boiler rims should be secured C:The fixed CO2 system should be initiated into action D:The engine room ventilation should be secured

When the general alarm is sounded continuously, the engine room personnel should _____.

A:proceed to their man overboard stations B:start the fire pump C:put on lifejackets and go to their abandon ship stations D:secure the propulsion diesel engines and evacuate the engine room

Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds?

A:Engine room ventilation should be started B:Main engines should be secured C:The fire pump should be started D:The fixed CO2 system should be activated

____ continuously extract the crankcase atmosphere, via a pipe system, and move it past a sensitive and accurate opacity measuring track.

A:The oil mist detectors B:The smoke detectors C:An oily water monitor D:Oil discharge monitoring and controlling system

If a compressor runs continuously, the cause might be a .

A:defective thermal bulb B:clogged scale trap C:stuck high-pressure switch D:stuck low-pressure switch