A relief valve for a cargo pump is generally installed（）.

A cargo hose is marked with the ______．

A.maximum working pressure

B.bursting pressure

C.safety relief valve setting

D.maximum temperature

Valves on steam-smothering lines to cargo tanks shall be set with ______．

A.The master control valve shut and valves to individual cargo tanks shut

B.The master control valve open and valves to individual cargo tanks shut

C.The master control valve shut and valves to individual cargo tanks open

D.All valves open

If the head pressure of a reciprocating refrigeration compressor is excessive

A.the relief valve should open before the high pressure cutout

B.the relief valve should open and allow the excess refrigerant to flow to the receiver

C.the high pressure cutout switch should operate before the relief valve opens

D.you should close the discharging valve

Which statement is TRUE concerning deep well self-priming pumps ________．

A.When loading oil cargo，it is always loaded via the discharge line through to the pump until the tank is topped off

B.Stripping systems are generally eliminated for the purposes of cargo handling

C.In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships

D.There is no danger of damaging the pump from overheating

Cargo pump relief valves are piped to the ______．

A.cargo pump pressure gauges

B.crossover lines interconnecting two pumps

C.suction side of pumps

D.atmosphere through pump vents

What is the purpose of the relief valve of a cargo pump ________．

A.Provides for the removal of vapors

B.Allows two or more tanks to be filled at the same time

C.Provides for the emergency shutdown of the pump

D.Permits the return of cargo to the suction side of the pump

The valve on the discharge side of a cargo pump on a tank vessel will usually be a ______.

A.butterfly valve

B.spectacle valve

C.check valve

D.globe valve