Mechanical Engineering MCQs

Page No. 122

For fluctuating loads, welsuited bearing is_________________?


aball bearing


broller bearing


cneedle roller bearing


dthrust bearing


View Answer needle roller bearing

In an ideal machine, the output as compared to input is_______________?


aless


bmore


cequal


dmay be less or more depending on efficiency


View Answer equal

Transmission of power from the engine to the rear axle of an automobile is by means of___________________?


acompound gears


bworm and wheel method


cHooke’s joint


dcrown gear


View Answer Hooke’s joint

The indicator using Watt mechanism is known as________________?


aThompson indicator


bRichard indicator


cSimplex indicator


dThomson indicator


View Answer Richard indicator

In multi-V-belt transmission, if one of the belt is broken, we have to change the_________________?


abroken belt


bbroken belt and its adjacent belts


call the belts


dthere is no need of changing any one as remaining belts can take care of transmission of load


View Answer all the belts

Crowning on pulleys helps__________________?


ain increasing velocity ratio


bin decreasing the slip of the belt


cfor automatic adjustment of belt posi-tion so that belt runs centrally


dincrease belt and pulley life



In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed_______________?


aHartung governor


bWilson Hartnell governor


cPickering governor


dInertia governor


View Answer Pickering governor

When a ship travels in a sea, which of the effect is more dangerous___________________?


asteering


bpitching


crolling


dall of the above


View Answer pitching

The Ackermann steering mechanism is preferred to the Davis type in automobiles because____________________?


athe former is mathematically accurate


bthe former is having turning pair


cthe former is most economical


dthe former is most rigid



In automobiles the power is transmitted from gear box to differential through _________________?


abevel gear


buniversal joint


cHooke’s joint


dKnuckle joint


View Answer Hooke’s joint

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