A.air turbulence
B.fuel penetration
C.fuel spray angle
D.fuel injection rate
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A.TBN number
B.viscosity
C.temperature
D.foaming
A.land
B.skirt
C.crown
D.plate
A.cylinder exhaust valve
B.air starting valve
C.air inlet valve
D.cylinder relief valve
A.crankshaft revolution
B.mechanical cycle of operation
C.period of two combustion cycles
D.cycle of two events
A.control rack
B.delivery valve
C.governor speed
D.plunger crossbar
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To determine if the lube oil filter elements need changing, （）.
Lube oil cannot be efficiently filtered if its （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Proper filtering and straining of fuel oil is important because the （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The main purpose of the piston oil scraper rings is to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Routine monitoring of a diesel engine should include （）.