A.Atomization
B.Metering
C.Effective stroke
D.Penetration
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A.fine atomization
B.high temperature
C.good mixing of fuel and air
D.all of the above
A.Rapid increase in temperature with constant pressure
B.Rapid increase in pressure with constant temperature
C.Rapid increase in pressure and temperature
D.Rapid increase in volume and decrease in pressure
A.turbocharger stalls
B.exhaust pressure increases
C.air charge density decreases
D.scavenge effect increases
A.facilitate the installation of piston rings
B.allow for the expansion of the piston during operation
C.prevent crankcase vapors from entering the combustion chamber
D.reduce wearing of the upper cylinder liner
A.direct action of cam shaft
B.compressed air pressure
C.hydraulic “push rods”
D.direct action of the main piston moving down
最新試題
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Lube oil cannot be efficiently filtered if its （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）
To determine if the lube oil filter elements need changing, （）.