Related Questions

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
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
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
Pulley in a belt drive acts as
A cylindrical pair
B turning pair
C rolling pair
D sliding pair
The objective of idler pulley in belt drive is to
A Decrease the tendency of belt to slip
B Increase the power transmission capacity
C Increase the wrap angle and belt tension
D All the above objectives
The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is
A $$\frac{{\text{D}}}{{{\text{D}} - {\text{d}}}}$$
B $$\frac{{\text{D}}}{{{\text{D}} + {\text{d}}}}$$
C $$\frac{{2{\text{D}}}}{{{\text{D}} - {\text{d}}}}$$
D $$\frac{{2{\text{D}}}}{{{\text{D}} + {\text{d}}}}$$
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
In V-belt drive, belt touches
A At bottom
B At sides only
C Both at bottom and sides
D Could touch anywhere

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