更多"[单选题]that everything in the engine "的相关试题:
[单选题]Crankcase door or inspection door should not be openedthe engine has cooled down.
A.as
B.until
C.after
D.because
[单选题]The crankcase cover should be allowed to open for investigation when the engine is running.
A.ever
B.sometimes
C.at any time
D.never
[单选题]The following engine parts are found damaged and we are about tocompensation from the yard.
A.claim for
B.agree in
C.except
D.acquire
[单选题]The piston is in diesel engine.
A.a shaped-pot component
B.a pot-shaped component
C.a pot-shaping component
D.a potted shape component
[单选题] The three conditions which cause engine shutdown are overspeed，low lube oil pressure，and______．
A.High lube oil pressure
B.High jacket water pressure
C.High jacket water temperature
D.Low jacket water pressure
[单选题]When the chief engineer came into the engine room,the workers___the fresh water generator.
A.are disassembling
B.have disassembled
C.were disassembling
D.disassembled
[单选题]is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valves.
A.An air receiver
B.An operating valve
C.An automatic valve
D.An air distributor
[单选题]The special tools for repairing the engine are not at the usual place,theyby somebody
A.have taken away by somebody
B.must have been taken away
C.were taken away
D.had been taken away
[单选题]About half an hourthemain engine is required,cooling water at the working temperature must be circulated through the fuel injection valves,the starting air and the relief valve.
A.after
B.when
C.until
D.before
[单选题]The device which regulates the engine speed automatically is called
A.a conditioner
B.a governor
C.a starting lever
D.a commutator
[单选题]Charging is the filling of the engine cylinder with a supply of for combustion.
A.water
B.fresh air
C.oil
D.gas
[单选题]In order to stabilize the engine speed without having to change the position of regulating handle,the engine is provided with
A.an air control device
B.a governor
C.fuel pump control rod
D.a servo-motor
[单选题]When the engine obtains sufficient speed,the fuel pump and valvesoperation.
A.be put into
B.are brought into
C.put out of
D.are brought out of
[单选题](466855)0.1mol/L K2CO3溶液中,由于CO32- 的水解,使得c(CO32- )<0.1mol/L。如果要使c(CO32- )更接
近于0.1mol/L,可以采取的措施是( )。 (1.0分)
A.加入少量盐酸
B.加入适量水
C.加入适当KOH
D.加热
[判断题]CO2 气瓶灌入的是液态 CO2,在室温下,瓶内剩余空间被汽化的 CO2 充满,饱和压力达到 20 MPa 以上。( )(中)
A.正确
B.错误
[单选题]The starting of a marine diesel engine is generally achieved with the assistance of
A.steam
B.compressed air
C.electricity
D.lube oil
[单选题]is used to regulate the speed of engine automatically.
A.A governor
B.A starting level
C.A starting handle
D.A speed regulator
[单选题]The diesel engine is a type of internal combustion engine which ignitesby injecting it into hot,high pressure air in.
A.the hot water/the scavenging air box
B.the fuel /a combustion chamber
C.the lube oil /a crankcase
D.the air/an air receiver
[单选题]With the assistance of,a marine diesel engine can be started.
A.compressed air
B.electricity
C.lube oil
D.light oil
