air starters
carburetors
natural aspiration
air receivers
第1题:
All diesel engines are classified as ______.
A.Four cycle
B.Compression ignition
C.Vacuum ignition
D.External combustion
第2题:
How does combustion air enter the cylinder of a two-cycle diesel engine ? Through _______.
A.Cylinder head valves
B.Ports
C.Turbo chargers
D.Bleeder valves
第3题:
A.Close the inlet and outletvalves for diesel oil
B.Open the air nozzles in the secondary combustion chamber until it stops
C.Open the air nozzles in the primary combustion chamber until it stops
D.Close inlet valve for pressurized air
第4题:
high compression pressure
low intake air temperature
low exhaust pressure
high scavenge air temperature
第5题:
a cracked liner
burning lube oil
an overloaded engine
insufficient combustion air
第6题:
Diesel engines obtain combustion air through turbo chargers,blowers,or ______.
A.Air starters
B.Carburetors
C.Natural aspiration
D.Air receivers
第7题:
the lubricating oil consumption
the turbine blade temperature
the flow rate of fuel
scavenge air pressure
第8题:
The separation of impurities and water from ______is essential for good combustion of diesel engines.
A.lube oil
B.fuel oil
C.turbine oil
D.grease
第9题:
a shortened ignition delay period
a lean fuel/air mixture
excess fuel in the combustion chamber
rapid vaporization of injected fuel droplets
第10题:
scavenging
starting
cooling
blowing