A.leaky pipe
B.opened inlet valve
C.too much water in tank
D.None of the above
您可能感興趣的試卷
你可能感興趣的試題
A.Steam trap
B.Check valve
C.Separator
D.Strainer
A.lobe type
B.screw type
C.axial piston type
D.volute type
A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply
A.keyway
B.shaft
C.packing
D.valve
A.turbine
B.centrifugal
C.ejector
D.mixed flow
最新試題
（） is not installed on the main switchboar.
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
The condensers located in various stages of a flash evaporator are cooled by（）
The treatment of the fuel oils involves storage, heating, filtering and（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
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.