單項(xiàng)選擇題In a refrigeration system, if the cooling water to the condenser fails, the().

A.box temperature solenoid valve will close
B.expansion valve will close
C.compressor will shutdown
D.king valve will open


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1.單項(xiàng)選擇題Accidental flooding of the engine room bilges by the bilge main is prevented by ().

A.stop-check valves installed in the bilge manifolds
B.using a positive displacement reciprocating bilge pump
C.installing eductors in all bilge rose boxes
D.installing a swing check before each bilge valve

2.單項(xiàng)選擇題Zinc rods are installed in the refrigeration system ().

A.liquid strainer
B.liquid receiver
C.saltwater condenser
D.evaporator

3.單項(xiàng)選擇題()is a series of trials done at sea to determine whether the ship has met the specifications of design, modification, or repair.

A.SEA WORTHINESS
B.SEA TRIALS
C.TRIAL-AND-ERROR
D.DOCK TRIALS

4.單項(xiàng)選擇題A ship designed for carrying goods requiring refrigeration is called ().

A.REEFER
B.RO/RO SHIP
C.CONTAINER
D.TANKER