cutting out individual injectors and noting engine performance
checking lube oil temperature
checking cam position
using a timing light
第1题：
electrical overload
surging at governed RPM
loose engine mounting bolts
coolant leaking into the cylinder
第2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3题：
If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the
A.cylinder compression pressure may not be high enough
B.cylinder compression temperature may be too high
C.fuel oil injection pressure may not be high enough
D.scavenge and purge process is incomplete
第4题：
check the cylinder exhausts for black smoke
listen for combustion knock in that cylinder
isolate each cylinder and inspect the injector
check the cylinder exhaust temperature frequently
第5题：
scavenging
forced draft
turbo-charging
aspiration
第6题：
crankcase
piston
cylinder liner
crank cheek
第7题：
caused by retarded injection timing
caused by a mechanical defect in one cylinder
caused by high fuel injection pressures
normal for these conditions
第8题：
is coming upward；cylinder ring belt
is going downward；piston ring belt
is coming upward；piston ring belt
is going downward；cylinder ring belt
第9题：
a leaking fuel injection nozzle
a clogged air filter
early fuel injection
burned valves
第10题：
low firing pressure
low exhaust temperature
mechanical knock in each cylinder
fuel knock in each cylinder