更多"[单选题]In the fuel system,there must "的相关试题:
[单选题] A safe fuel system must ______.
A.Prevent engine overheating
B.Have proper air/gasoline fuel mixture ratio
C.Be liquid- and vapor-tight
D.Supply sufficient air to the intake manifold
[单选题]Which the system that SELCAL system must through it realize SELCAL function?选择呼叫系统必须通过哪个系统才能实现其呼叫( )
A.VHF or VOR systems.VHF或VOR系统
B.HF or ADF systems。HF或ADF系统
C.HF or VHF systems.HF或VHF系统
[单选题]The function of the fuel injection system the amount of fuel at right moment and in suitable condition for the combustion.
A.is provided
B.is to provide
C.provide
D.providing
[单选题]The fuel system is used to to the combustion chamber in the cylinder.
A.discharge the bilge water
B.transfer the fuel oil
C.pump the cylinder oil
D.mix water and oil
[单选题]The basic function of the fuel system is to deliver the fuel in the cycle.
A.into the cylinders at the right time
B.into the piston in right quantities
C.in accurate quantities into the cylinders at the right time
D.into the cylinders with enough quantities at times
[单选题]The fuel oil supply system usesto draw oil from the double bottom tanks to a settling tank.
A.a supply pump
B.a centrifugal pump
C.a transfer pump
D.a reciprocating pump
[单选题]如果APU页面上出现A FUEL LO PR信息,则表明( )
If A FUEL LO PR information apper on APU page, show:()
A.APU前泵压低APU forward pump low pressure
B.APU后泵低压,管路气塞APU afterward pump low pressure, pipeline gas plug
C.FCU低压FCU low pressure
[单选题]The sequence of fuel injection into the eylinder is determined by
A.the turning gear
B.the driving gear
C.the timing gear
D.the steering gear
[单选题]of the fuel oil is 180 cSt.
A.Specific gravity
B.Flash point
C.Acid value
D.Viscosity
[单选题]The fuel injctinsystem is very important,so any trouble of it will___the operation of the main engine.
A.affect
B.effect
C.be affected
D.be effected
[单选题]It is advantageous to have the fuel valvein way of the nozzle.
A.heated
B.cooled
C.expanded
D.washed
[单选题]The work that fuel does in an engine depends upon the fuel oil itself,upon its working condition.
A.neither/nor
B.either/or
C.not only /but also
D.such/as
[单选题]The fuel pipe is three times that one.
A.so long as
B.longer than
C.long as
D.long
[单选题]A common trouble with fuel pump plungers or fuel valve spindles isleakage.
A.oil
B.grease
C.gas
D.water
[单选题] The explosive range of a fuel lies between the lower explosive limit and the ______.
A.flash point
B.ignition temperature
C.upper explosive limit
D.fire point
[单选题] A fuel-air mixture below the lower explosive limit is too ______.
A.Rich to burn
B.Lean to burn
C.Cool to burn
D.Dense to burn
[单选题]___for fuel injection should be readjusted.
A.The steering gear
B.The turning gear
C.The driving gear
D.The timing gear
[单选题]Fuel oil is pumped out by ineans of from the bunker tanks.
A.a bilge pump
B.a centrifugal pump
C.a volute pump
D.a gear pump
[单选题]When selecting a fuel oil,there are more than ten factors
A.to be considered
B.be considered
C.are considered
D.is considering