Crank web deflection readings will give a positive indication of （）.

A、A.worn main bearing journals

B、B.torsional stress deformation

C、C.slack thrust bearings

D、D.bearing shells shim dimensions

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更多“Crank web deflection readings will give a positive indication of （）.”相关的问题

第1题

[单选题] （） of an engine crankshaft can be detected by measuring deflections of crank webs for each unit of the engine.

A、Misalignment B、Length C、Strength D、Stresses

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第2题

[单选题] Diesel engine crankshaft deflection readings are generally taken at four crank positionsGood engineering practice requires the deflection gage or indicator to be（）

A、placed as near the crankpin axis as possible B、removed each time the crankshaft is repositioned C、left in place for all four readings D、reset to zero for all four readings

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第3题

[单选题] Each crank is made up of two crank webs joined by a common（） to which the bottom endbearing is fitted.

A、throw B、crankshaft C、crankpin D、crosshead

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第4题

[单选题] One method of determining crankshaft misalignment is by（）

A、laying a straight edge across the crank webs at the crankpin and measuring the distance to the crankpin in two places B、measuring the crank drop on either side of each crank throw while the crankshaft is slowly rotated through one revolution C、rotating the crankshaft through one revolution, pausing each 90oof rotation to measure bearing clearances, top and bottom D、taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation