When a refrigeration compressor motor fails to start, the FIRST thing that should be checked for is a ().
If the head pressure of a reciprocating refrigeration compressor is excessive, ().
Foaming of the oil in a refrigeration compressor crankcase is caused by ().
Air compressor receivers should be “blown down” at least ().
If the compressor runs continually, the cause might be the()
If a refrigeration compressor is short cycling on high head pressure, you should ().
It should be ensured that only () vapor is handled by the refrigeration compressor.
If an air compressor is used to supply compressed air to outlets throughout the engine room and on deck of a vessel, the system is known as the ().
In the () refrigeration compressor one end of the crank shaft extends through the crankcase house for connection, via a coupling or pulley, to an external drive motor.
An un-loader is installed on an air compressor to ().