A fast and loose pulley drive is used when

A Shafts are arranged parallel and rotate in the opposite directions
B Shafts are arranged parallel and rotate in the same directions
C Shafts are arranged at right angles and rotate in one definite direction
D Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft

Correct Answer: Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft

Bissoy MCQ
#Mechanical Engineering #Machine Design

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
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
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
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 $$\frac{{2{\text{D}}}}{{{\text{D}} + {\text{d}}}}$$
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
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 groove angle of the pulley for rope drive is usually
A 20°
B 35°
C 45°
D 60°
Choose the one that best expresses the meaning of the given idiom/phrase in italics : An honest person never 'plays fast and loose' with his friends.
A ignores
B deceives
C to be inconsistent
D delay tactics

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