A.pressurestat
B.high pressure cutout
C.solenoid valve
D.low pressure cutout switch
您可能感興趣的試卷
你可能感興趣的試題
A.opposing operational drag
B.pressure distribution
C.differential
D.system purge
A.release
B.absorb
C.develop
D.regenerate
A.Sub-cooled liquid
B.Sub-cooled vapor
C.Superheated vapor
D.Liquid
A.latent heat of expansion
B.sensible heat of condensation
C.heat of compression
D.all of the above
A.have a high viscosity index
B.mix readily with refrigerant
C.have a high freezing point
D.have a low pour point
最新試題
The main purpose of port State control is not to（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
Cold weather starting of a diesel engine may be made easier by（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
Diesel engine air start system check valves are opened by （）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
The treatment of the fuel oils involves storage, heating, filtering and（）