A.commercially available
B.commercially
C.commercial available
D.commerce available
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A.to a great extent
B.on a great extent
C.on mainly
D.on only
A.the type of coolant
B.the design of the engine
C.the type of fuel to be burned
D.B and C
A.nuts
B.bolts
C.coil springs
D.stuffing boxes
A.being bolted
B.bolted
C.bolting
D.to be bolted
A.so a height
B.such a height
C.so high
D.such high
最新試題
Proper filtering and straining of fuel oil is important because the （）.
Lube oil cannot be efficiently filtered if its （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Diesel engine control can be obtained by the bridge （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
White smoke exhausting from an operating diesel engine may indicate （）.
An automated diesel engine should normally shut down due to （）
Maximum horsepower of a diesel engine is attained （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.