check cylinder lubrication prior to starting engine
connect exhaust gas analyzers to determine engine efficiency
pressure test cylinder heads to check for leaks
remove moisture accumulations from cylinder prior to starting
第1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2题：
clogged coolant passages
a leaking cylinder head gasket
low fuel oil pressure
worn or broken cylinder liner sealing rings
第3题：
High firing pressures and low exhaust temperature in a diesel engine may resultfrom( ).
A.decreased piston to cylinder head clearance
B.increased exhaust system back pressure
C.early fuel injection timing
D.low scavenge air temperature
第4题：
Leaking seal ring
Insufficient heat transfer from the exhaust valves
Block cooling water passages to the head
Excessive scavenging air provided to the engine
第5题：
crankcase
piston
cylinder liner
crank cheek
第6题：
A Kort nozzle is a(n) ______.
A.hollow tube surrounding the propeller used to improve thrust
B.nozzle attached to a firefighting hose
C.intake valve on a diesel engine
D.piston cylinder on a diesel engine
第7题：
a leaking seal ring
heat transfer from exhaust valves
restricted cooling passages
overheated intake valves
第8题：
Which of the following conditions could contribute to the cracking of a diesel engine cylinder head?
A.Leaking seal ring
B.Insufficient heat transfer from the exhaust valves
C.Blocked cooling water passages to the head
D.Excessive scavenging air provided to the engine
第9题：
The cylinder indicator cocks should be opened
The sump lube oil scavenge pump should be secured immediately
The explosion relief valves should be manually opened
The crankcase should remain unopened until the engine has cooled
第10题：
air intake
a fuel outlet
cooling water inlets
exhausting combustion gas