The crankshaft deflection is at first to be （） before and after repair.

[单选题]Crank web deflection readings will give a positive indication of （）.A . worn main bearing journalsB . torsional stress deformationC . slack thrust bearingsD . bearing shells shim dimensio

[单选题]What is the speed of the crankshaft in a four-stroke/cycle engine when the camshaft is turning at 750 rpm?（）A . 375 RPMB . 500 RPMC . 750 RPMD . 1500 RPM

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

[单选题]When a crankshaft （） outside the engine, it should be carefully supported in a manner which will avoid imposing high bending moments on it.A . has to be handledB . may be handledC . has being handledD . will be handling

[单选题]The crankshaft of diesel engine is supported by （）.A . tension stretchB . tie rodsC . through boltsD . main bearing

[单选题]The crankshaft receives and transmits the full working power of the engine and is subjected to fluctuating （）.A . bending stresses弯曲应力B . torsion stresses扭转应力C . shear stresses剪应力D . All of the above

[单选题]The crankshaft is of the semi built type, with the journal （） the forged or cast steel crank throws.A . being shrunk intoB . to be shrunk intoC . to be shrunk withD . shrinking into

[单选题]When a crankshaft has to be handled outside the engine, it should be carefully supported in a manner which will avoid （） high bending moments on it.A . compressingB . interposingC . imposingD . pounding

[单选题]A crankshaft whose center of gravity coincides with its center line is said to be （）.A . dynamically balancedB . statically balancedC . counter balancedD . resonantly balanced

[单选题]How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）A . OneB . TwoC . FourD . Eight