Machine Design MCQ Questions & Answers | Mechanical Engineering Page-3 section-1

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9

11.
A V-belt designated as B 4430 LP has

A. 4430 mm as diameter of small pulley

B. 4430 mm as nominal pitch length

C. 4430 mm as diameter of large pulley

D. 4430 mm as centre distance between pulleys

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12.
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

A. 10 times

B. 5 times

C. 15 times

D. 20 times

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13.
When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

A. Have contact at the bottom most of the bearing

B. Move towards right of the bearing making no metal to metal contact

C. Move towards right of the bearing making the metal to metal contact

D. Move towards left of the bearing making metal to metal contact

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14.
When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

A. Have contact at the bottom most of the bearing

B. Move towards right of the bearing making metal to metal contact

C. Move towards right of the bearing making no metal to metal contact

D. Move towards left of the bearing making metal to metal contact

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15.
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

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Machine Design MCQ Questions & Answers | Mechanical Engineering

11. A V-belt designated as B 4430 LP has

Answer & Solution

12. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

Answer & Solution

13. When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

Answer & Solution

14. When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

Answer & Solution

15. The objective of idler pulley in belt drive is to

Answer & Solution

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11.
A V-belt designated as B 4430 LP has

12.
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

13.
When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

14.
When the shaft rotates in anticlockwise direction at high speed in a bearing, it will

15.
The objective of idler pulley in belt drive is to