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Q: The greatest load which a spring can carry without getting permanently distorted is called
  • A. stiffness
  • B. proof resilience
  • C. proof stress
  • D. proof load
Correct Answer: Option D - • Proof load is the greatest load that the spring can carry without getting permanently distortion. • Proof stress is the maximum stress in the spring when subjected to proof load. • Stiffness of the spring is the load per unit deflection. It is expressed in N/m or kN/m.
D. • Proof load is the greatest load that the spring can carry without getting permanently distortion. • Proof stress is the maximum stress in the spring when subjected to proof load. • Stiffness of the spring is the load per unit deflection. It is expressed in N/m or kN/m.

Explanations:

• Proof load is the greatest load that the spring can carry without getting permanently distortion. • Proof stress is the maximum stress in the spring when subjected to proof load. • Stiffness of the spring is the load per unit deflection. It is expressed in N/m or kN/m.