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Todays' Thought
Be content with what you have; rejoice in the way things are. When you realize there is nothing lacking, the whole world belongs to you.
- Lao Tzu
जो तुम्हारे पास है उससे संतुष्ट रहो, चीजें जैसी हैं उसमे आनंदित रहो, जब तुम इस बात का एहसास कर लेते हो कि किसी भी चीज की कमी नहीं है , पूरी दुनिया तुम्हारी हो जाती है |
- लाओत्से


    Mechanical Engineering : Machine Design Question & Answer in English

6.
 Ball bearing is usually made from -
A.  Low carbon Steel
B.  High carbon steel
C.  Medium carbon steel
D.  High speed steel

7.
Hook’s law holds good up to -
A.  Yield point
B.  Elastic limit
C.  Plastic limit
D.  Breaking point

8.
The modulus of elasticity for mind steel is approximately equal to -
A.  80 KN/ MM2
B.  100 KN/ MM2
C.  110 KN/ MM2
D.  210 KN/ MM2

9.
  The ratio of the ultimate stress to the design stress is known as - 
A.  Elastic limit
B.  Strain
C.  Factor of safety
D.  Bulk modulus

10.
The factor of safety steel and for steady load is -
A.  2
B.  4
C.  6
D.  8

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