A．n efficient seal between the cylinder block and cylinder heads on many diesel engines is obtained with________.

A．graphite packing

B．sealing compound

C．lubricating oil

D．gaskets

[单选题]The interface between the liquid seal (water) and the oil should be positioned （） possible to the bowl periphery.A . as far asB . as soon asC . as close asD . as closer a

[单选题]The space between cylinder liner and jacket is called _____.A．the cooling waterB．the circulating waterC．the coolerD．the cooling water space

[单选题]The space between cylinder liner and jacket is called （）.A . the cooling waterB . the circulating waterC . the coolerD . the cooling water space

[单选题]The joint face between the cylinder cover and the liner is arranged （）the combustion process as possible.A . such far away fromB . such near byC . as far away fromD . as near by

[单选题]The point of tangency between the capital allocation line (CAL) and the eff

[单选题]The point of tangency between the capital allocation line (CAL) and the eff

[单选题]The point of tangency between the capital allocation line (CAL) and the eff

[单选题]The cylinder covers and the liners are bolted together by means of （）.A . bolts welded into the cylinder headB . bolts welded into the cylinder framesC . studs screwed into the cylinder headD . studs screwed into the cylinder frame

[单选题]The cylinder head, cylinder liner and （） form the combustion chamber.A . frameB . pistonC . crankcaseD . explosion plate

[单选题]（） is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air cooler.A . The fuel oilB . The lube oilC . The sea waterD . The fresh water