The discharge side of every fire pump must be equipped with a().
A、gate valve
B、pressure gauge
C、check valve
D、strainer
A、gate valve
B、pressure gauge
C、check valve
D、strainer
A、discharge side of condenser B、discharge side of compressor C、outlet of the evaporator D、receiver tank
A、Absorb erosion of high velocity discharge stream B、Seal pump shaft against entry of air C、Isolate the discharge side from the suction side D、Dampen the turbulent discharge flow
A、Absorb erosion of high velocity discharge stream B、Seal pump shaft against entry of air C、Isolate the outlet side from the inlet side D、Dampen the turbulent discharge flow
A、liquid strainer B、refrigerant inlet of the condenser C、inlet side of the evaporator D、suction side of the compressor
A、in the chill box B、before the receiver C、on the suction side of the compressor D、on the discharge side of the compressor
A、discharge side of the centrifugal pump B、suction side of the centrifugal pump C、the lowest point of the cooling water system D、inlet of the main engine
A、at the base of the flames B、at the center of the flames C、to the lee side of the flames D、over the tops of the flames
A、log the density of the water B、secure all overboard discharges C、take on fresh water ballast D、clean the sides with fresh water