Basic Mechanical Engineering (3110006) MCQs

MCQs of Transmission of Motion and Power

Showing 11 to 20 out of 30 Questions
11.
When two shafts are to be rotated in opposite direction__________drive is used.
(a) open belt
(b) crossed belt
(c) stepped pulley
(d) fast & loose pulley
Answer:

Option (b)

12.
When two shafts are at a right angle, which one of the following drive is used?
(a) Open belt drive
(b) Crossed belt drive
(c) Quarter turn belt drive
(d) Stepped pulley drive
Answer:

Option (c)

13.
The idler pulley is used in belt drive to
(a) increase velocity ratio
(b) decrease velocity ratio
(c) increase angle of contact
(d) decrease angle of contact
Answer:

Option (c)

14.
To stop the machine working without stopping the motor, which drive you will use?
(a) Compound belt drive
(b) Fast and loose pulley drive
(c) Stepped pulley drive
(d) Quarter turn belt drive
Answer:

Option (b)

15.
The drive used to obtain different speed at driven shaft while driving shaft runs at constant speed is
(a) cone or stepped pulley drive
(b) quarter turn belt drive
(c) crossed belt drive
(d) fast and loose pulley drive
Answer:

Option (a)

16.
For large speed ratio and large center distance between two shafts, the belt drive preferred is
(a) open belt drive
(b) stepped pulley drive
(c) crossed belt drive
(d) compound belt drive
Answer:

Option (d)

17.
Which one of the following is a positive drive?
(a) Flat belt drive
(b) V-Belt drive
(c) Rope drive
(d) Chain drive
Answer:

Option (d)

18.
When driving and driven shafts are at a comparatively short distance apart & higher efficiency required, the type of drive suitable is
(a) gear drive
(b) belt drive
(c) friction drive
(d) chain drive
Answer:

Option (a)

19.
As compared to belt drive, the chain drive transmits
(a) more power
(b) less power
(c) same power
(d) none of the above
Answer:

Option (a)

20.
The chain drive gives__________transmission efficiency.
(a) high
(b) low
(c) both high and low
(d) none of the above
Answer:

Option (a)

Showing 11 to 20 out of 30 Questions