A.Decreasing scavenge air pressure
B.Increasing exhaust temperatures before the turbine
C.Reduction in engine speed
D.All of the above
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A.quality of air filtration
B.effectiveness of lubrication
C.type of fuel used
D.all of the above
A.cetane number
B.octane number
C.ignition index number
D.volatility point
A.antiknock characteristics
B.ignition qualities
C.rates of vaporization
D.viscosity
A.increase in starting air pressure
B.increase in lube oil viscosity
C.compression expansion device
D.jacket water heater
A.corrosion and grooving of exhaust valves
B.corrosion and gumming of the fuel injection pump
C.salt deposits in the exhaust manifold
D.slag deposits in the fuel injection equipment
A.clogged fuel injection pumps
B.increased cylinder liner wear
C.intake valve stem corrosion
D.varnish deposit on pistons
A.Injection lag
B.Lube oil dilution
C.Pre-ignition
D.Corrosion
A.increase thermal efficiency
B.cause clogging of the fuel system
C.increase the ability of the engine to start in cold weather
D.produce corrosion in the cylinder and exhaust system at low loads
A.the engine to run after the fuel has been secured
B.the engine to over-speed
C.a fire
D.all of the above
A.compression pressure in the cylinder will be higher
B.carbon will accumulate behind the ring
C.combustion gases will penetrate beneath the ring land
D.piston side thrust will be increased
最新试题
Cold weather starting of a diesel engine may be made easier by()
The condensers located in various stages of a flash evaporator are cooled by()
The ISPS Code consists of a mandatory section-Part A, which shows()
Diesel engine air start system check valves are opened by ()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
()connectors hold best if a wire is accidentally pulled or a connection becomes loose.
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
Using a file without a handle may result in ()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()