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

Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.

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?（）

Proper filtering and straining of fuel oil is important because the （）.

The highest pressure in a diesel engine cylinder normally occurs （）.

When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.

In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.

If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.

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

The ability of the governor to prevent fluctuations in engine speed is termed （）.