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?()
相似题目
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The shells are secured by means of bearing caps and studs, the necessary clearance being provided by means of () of different thickness.
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The main bearings are provided with thin-walled (), lined with a copper-lead alloy.
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For a main diesel engine the lube oil in the bearings is drawn from (), usually located in the bedplate.
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The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed ().
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Which of the following may take place if the clearance of the main bearings are excessive?()
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While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that ()
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In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the ().
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Worn main bearing will cause the compression ratio of an auxiliary diesel engine to()
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Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed ().
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The main bearing metal is a lining ().
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On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by ().
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The bearing shell generally has () for location and oil grooves round the center of its axial length.
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In some modern large diesel engines, which of the following is used as the support for the main bearings?()
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The highest loads applied to the diesel engine crankshaft main bearings are ()
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In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a () in the crankshaft to the bottom end bearing andthen up a connection rod to the gudgeon pin.
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The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the () through which oil is transmitted up the rod to lubricate the small end.
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() clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.
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A main bearing consists of two shells which are secured by means of studs and ().
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The external circumference of a pair of main bearing shells is slightly () that of the bore of the housing which receives them Whats the meaning of “that” in the sentence above?
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The bearing shells depend on the accuracy of () to held them in a truly circular shape.
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What is the main reason of the reduction of the grizzly bears' number?
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North American fur trade ______ in the early 1800' s mainly due to the diminishing number of fur-bearing animals.
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The principal quantum number n identifies the main energy level,or shell,of the orbital. ()
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The pumps press oil into the cross-head bearing gap when the load on the shell is at its lowestWhat is the meaning of “its” in the sentence above?
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