A.Height of the machine
B.Temperature of the liquid seal
C.Gravity disc
D.Bowl diameter
您可能感興趣的試卷
你可能感興趣的試題
A.system is overcharged with refrigerant
B.system is low on refrigerant
C.discharge valves are leaking excessively
D.discharge valves are leaking slightly
A.decrease
B.increase
C.decrease to zero
D.remain unchanged
A.purge lube oil from the liquid refrigerant
B.recover water purged from the system
C.separate foul gases from the receiver
D.purge non-condensable gases without losing refrigerant
A.chilled water temperature
B.dew point temperature
C.primary air temperature
D.dry bulb temperature
A.A room thermostat activates an electric heater at each individual chilled air outlet when necessary
B.Varying the number of passes the air makes across the coils
C.Varying the temperature of the water through the coils
D.Varying the quantity of water flowing through the coils
最新試題
When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
The cetane rating of diesel fuel is an indication of the （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The main purpose of port State control is not to（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
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.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
Using a file without a handle may result in （）