low firing pressure and low exhaust temperatures
low firing pressure and normal exhaust temperatures
high firing pressure and low exhaust temperatures
high firing pressure and high exhaust temperatures
第1题:
How should you warm up a diesel engine that has not been run for some time?______.
A.Run it at minimum speed for a period of time
B.Run it at half speed for a period of time
C.Bring it to top speed immediately
D.Inject ether into the air intake
第2题:
exhaust gas pressure
exhaust gas temperature
speed
load
第3题:
What is the function of the after-coolers installed in the diesel engine air intake system?
A.Decrease the air density
B.Increase the exhaust temperature
C.Decrease the lube oil temperature
D.Increase the air density
第4题:
increase in starting air pressure
increase in lube oil viscosity
compression expansion device
jacket water heater
第5题:
Disconnect the battery cables from the starting motor
Drain the hydraulic fluid from the governor sump
Block the flow of cooling air to the radiator
Secure the fuel supply and block the air intake
第6题:
natural aspiration
masked intake valves
air cells
scavenging air
第7题:
water in the fuel
insufficient fuel for combustion
clogged air intake passages
burning lubricating oil
第8题:
In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?
A.Noise coming from that air starting valve
B.Continuous operation of the starting air compressor
C.Zero air pressure in the air starting system
D.Overheated starting air pipe to the cylinder head
第9题:
high compression pressure
low intake air temperature
low exhaust pressure
high scavenge air temperature
第10题:
intake stroke
compression stroke
power stroke
exhaust stroke