governor droop
speeder spring tension
fuel rack lag
load on the engine
第1题:
Manually trip the over-speed device
Interrupt the fuel flow to the engine
Disengage the safety interlock
Slide the camshaft to the neutral position
第2题:
a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine
a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine
two medium-speed, turbocharged, four-stroke diesel engines
a variable-speed AC generator
第3题:
In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the _____.
A.governor droop
B.speeder spring tension
C.fuel rack lag
D.load on the engine
第4题:
quantity of air it takes in and retains in the cylinders during a given time period
proportion of trapped air that is utilized in the combustion process
thermodynamic efficiency of the engine cycle
all of the above
第5题:
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第6题:
excessive crankcase pressure
excessive lube oil temperature
contamination of the lube oil by water
contamination of the cooling water by lube oil
第7题:
direct action of cam shaft
compressed air pressure
hydraulic “push rods”
direct action of the main piston moving down
第8题:
dial indicator
outside caliper
bridge gauge
tram rod
第9题:
fuel oil vapor at the sludge tank vent
unburned fuel vapors in the scavenge air receiver
lube oil vapors in the crank case
lube oil vapors in the engine room
第10题:
fuel must be preheated
intake air should be preheated
lube oil outlet temperature should be increased 20℃ above normal
none of the above