A.High sulphur content fuel
B.High lube oil temperatures
C.High vanadium content fuel
D.Excessive piston slap
您可能感兴趣的试卷
你可能感兴趣的试题
A.having a shorter duration of opening
B.having a longer duration of opening
C.closing sooner
D.opening later
A.valve will open later
B.valves will close later
C.amount of fuel injected will be increased
D.amount of fuel injected will be decreased
A.a leaking fuel injection nozzle
B.a clogged air filter
C.early fuel injection
D.burned valves
A.on the power stroke
B.on the exhaust stroke
C.at the end of the power stroke
D.at the start of the intake stroke
A.early fuel injection timing
B.leaking valves
C.a continuously open scavenge air port
D.low cooling water temperature
A.clogged air filter
B.compression stroke
C.burned exhaust valves
D.all of the above
A.intake stroke
B.compression stroke
C.power stroke
D.exhaust stroke
A.When heated, it will move proportional to the amount the metal has lengthened or expanded
B.The pointer associated with the pyrometer scale can be made to also measure engine RPM
C.It can be utilized in exhaust manifolds and heat exchangers interchangeably
D.It can indicate temperature at a distant point from the source heat
A.Low compression pressure and high exhaust temperature
B.Low firing pressure and high exhaust temperature
C.Low compression pressure and low exhaust temperature
D.Low firing pressure and low exhaust temperature
A.later and close sooner
B.sooner and close later
C.sooner and close sooner
D.later and close later
最新试题
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
() is not installed on the main switchboar.
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
Engine parameters shall be corresponded to NOx Technical Files. This is required by ()
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()