proper fuel metering
complete fuel/air mixing
minimal fuel penetration
proper fuel timing
第1题:
clogged coolant passages
a leaking cylinder head gasket
low fuel oil pressure
worn or broken cylinder liner sealing rings
第2题:
turbocharger
injection nozzle tip
carburetor
fuel oil pump
第3题:
Diesel engine blow-by is the leakage of combustion gases past the( ).
A.oil rings only
B.compression and scraper rings
C.cylinder liner sealing
D.cylinder liner ring grooves
第4题:
feel the high pressure fuel line
check the cylinder exhausts for white smoke frequently
check the cylinder exhaust temperature
isolate each cylinder and inspect the injector
第5题:
starting the engine while hot
knurling the piston skirt
operating the engine overheated
scuff resistant piston rings
第6题:
Excessive cylinder liner
water in the fuel system
Cracked cylinder liner
Leaking lube oil cooler
第7题:
blows out the exhaust gases
supplies oxygen for combustion
cools the valves and cylinder walls
all of the above
第8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9题:
crankcase
piston
cylinder liner
crank cheek
第10题:
compressibility of the fuel
high fuel oil supply flow
scored plunger and barrel packing
excessive air turbulence