The objective of idler pulley in belt drive is to

In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be

A

Increase key length

B

Increase key depth

C

Increase key width

D

Double all the dimensions

For same pulley diameters, center distance, belt speed and belt and pulley materials,

A

Open belt drive transmits more power than crossed belt drive

B

Crossed belt drive transmits more power than open belt drive

C

Open and crossed belt drives transmit same power

D

Power transmission does not depend upon open and crossed types of constructions

A pulley and belt in a belt drive form a

A

Cylindrical pair

B

Turning pair

C

Rolling pair

D

Sliding pair

In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to

A

Increase the key length

B

Increase the key depth

C

Increase the key width

D

Decrease the key length

Idler pulley is used

A

For changing the direction of motion of the belt

B

For applying tension

C

For increasing velocity ratio

D

All of the above

Idler pulley is used for

A

Increasing velocity ratio

B

For applying tension

C

Changing the direction of motion of belt

D

All of these

Pulley in a belt drive acts as

A

cylindrical pair

B

turning pair

C

rolling pair

D

sliding pair

You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?

A

as a master

B

as a secondary

C

as a slave

D

as a primary

E

as auto-select

In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to

A

Reduce vibration

B

Reduce slip

C

Ensure uniform loading

D

Ensure proper alignment

In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

A

Reduce vibration

B

Reduce slip

C

Ensure uniform loading

D

Ensure proper alignment

The objective of idler pulley in belt drive is to

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