The crankshaft receives and transmits the full working power of the engine and is subjected to fluctuating （）.

[单选题]The idea that education transmits knowledge is dated back to[A] the Renaissance humanists.[B ] the medieval universities.[C] the 18th century's American scholars.[D] the cold war period.

[单选题]When a bridge transmits an Ethernet frame, the Ethernet frame. has(75).(75)A． the broadcast address for the its source addressB． the bridge's LAN address for its destination addressC． the bridge's LAN address for its source addressD． none of the ab

[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]The crankshaft deflection is at first to be （） before and after repair.A . disassembledB . renewedC . measuredD . regulated

[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 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 bridge transmits an Ethernet frame， the Ethemet frame has ( ) .A.the

[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