A.defective thermal bulb
B.clogged scale trap
C.stuck high-pressure switch
D.stuck low-pressure switch
您可能感興趣的試卷
你可能感興趣的試題
A.insufficient refrigeration
B.leaky suction valves
C.expansion valve stuck open
D.suction valve not adjusted properly
A.too much cooling water going through the condenser
B.not enough refrigerant in the system
C.a leak in the evaporator coils
D.no enough cooling water going through the condenser
A.king valve and the expansion valve
B.solenoid valve and expansion valve
C.evaporator and receiver
D.compressor and evaporator
A.discharge side of condenser
B.discharge side of compressor
C.outlet of the evaporator
D.receiver tank
A.increase the amount of cooling water to the condenser
B.decrease the amount of cooling water to the condenser
C.add more refrigerant to the system
D.remove some of the refrigerant from the system
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()
The main purpose of port State control is not to()
The cetane rating of diesel fuel is an indication of the ()
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
If separating effect is not good, which measure should be taken ()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
To proceed to the assistance of a ship in distress is()