Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）

An automated diesel engine should normally shut down due to （）

Routine monitoring of a diesel engine should include （）.

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?（）

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 （）.

Combustion knock occurring in a diesel engine can be caused by （）.

The minimum speed an engine must attain before ignition can occur depends upon （）.

Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.