Mechanical Engineering MCQs

Page No. 122

For fluctuating loads, welsuited bearing is_________________?


aball bearing

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broller bearing

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cneedle roller bearing

✓


dthrust bearing

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View Answer needle roller bearing

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


aless

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bmore

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cequal

✓


dmay be less or more depending on efficiency

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View Answer equal

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


acompound gears

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bworm and wheel method

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cHooke’s joint

✓


dcrown gear

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View Answer Hooke’s joint

The indicator using Watt mechanism is known as________________?


aThompson indicator

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bRichard indicator

✓


cSimplex indicator

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dThomson indicator

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View Answer Richard indicator

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


abroken belt

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bbroken belt and its adjacent belts

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call the belts

✓


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

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View Answer all the belts

Crowning on pulleys helps__________________?


ain increasing velocity ratio

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bin decreasing the slip of the belt

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

✓


dincrease belt and pulley life

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


aHartung governor

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bWilson Hartnell governor

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cPickering governor

✓


dInertia governor

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View Answer Pickering governor

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


asteering

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bpitching

✓


crolling

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dall of the above

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View Answer pitching

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


athe former is mathematically accurate

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bthe former is having turning pair

✓


cthe former is most economical

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dthe former is most rigid

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


abevel gear

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buniversal joint

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cHooke’s joint

✓


dKnuckle joint

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View Answer Hooke’s joint

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