To determine if the lube oil filter elements need changing, （）.

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?（）

Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.

Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.

Maximum horsepower of a diesel engine is attained （）.

Diesel engine control can be obtained by the bridge （）.

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

White smoke exhausting from an operating diesel engine may indicate （）.

For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.

In using reduction gears to obtain efficient propeller speeds, （）.