Combustion knock occurring in a diesel engine can be caused by ().
Wear occurring at the tips of the reduction gear teeth is usually the result of ().
The number of cycles per second occurring in AC voltage is known as the ()
A swift current occurring in a narrow passage connecting two large bodies of water which is produced by the continuously changing difference in height of tide at the two ends of the passage is called a(n)().
()is a type of fog occurring close to the sea surface when the air is dry and cold-probably at least 9℃ below the sea surface temperature.
Combustion knock occurring in a diesel engine can be caused by ()
Critical speeds occurring within the operating speed range of a main propulsion diesel engine may be changed, or have their damaging effects reduced by a/an ()
Late fuel injection occurring at, or after TDC in a diesel engine is indicated by excessive exhaust smoke and ()
The sudden reduction of pressure occurring within the crankcase of a refrigeration compressor during starting causes the ().
To avoid scavenge fires occurring the engine timing and equipment maintenance ().