The bearing shells depend on the accuracy of （） to held them in a truly circular shape.

[单选题]The main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?（）A . main bearing shellsB . main bearingC . steelD . bearing me

[单选题]The main bearing shells often have a thin （） of lead or indium to provide a layer giving protection against corrosion.A . flangeB . flashC . plateD . sheet

[单选题]A main bearing consists of two shells which are secured by means of studs and （）.A . tie rodsB . through boltsC . lead wiresD . bearing ca

[单选题]The shells are secured by means of bearing caps and studs, the necessary clearance being provided by means of （） of different thickness.A . shimsB . packingC . glandsD . washer

[单选题]As to the bearing, of the following, which statement is not true?（）A . ff overheat is found, the engine must be stopped for inspectionB . Much heat of the crankcase door indicates that the bearing is overheatedC . If bearing clearance is too large, k

[单选题]The bearing of tailshaft sealing equipment which adopts the oil nature circulation is hot, the reason isA．the rotate speed fluctuationB．the ventilation tube cloggedC．the main engine accelerate so fastD．stormy waves

[单选题]A． thrust bearing is used with a propulsion diesel engine to ____.A．control axial movement of the crankshaftB．transmit engine thrust to the propeller shaftC．absorb vibrations in the propeller shaftingD．prevent propeller thrust from being transmitted

[名词解释] 英译汉：bearing

[单选题]The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the （） caused by the friction at the bearings.A . acidsB . additivesC . heatD . gear

[单选题]The main bearing metal is a lining （）.A . inside the bearingB . outside the bearingC . covering the crankshaftD . none of the above