Mechanical Engineering - Engineering Materials

16. 

The material widely used for making pendulums of clocks is

A. stainless steel
B. high speed steel
C. heat resisting steel
D. nickel steel

Answer: Option D

Explanation:

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17. 

The stiffness is the ability of a material to resist

A. deformation under stress
B. fracture due to high impact loads
C. externally applied forces with breakdown or yielding
D. none of the above

Answer: Option A

Explanation:

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18. 

The blade of a power saw is made of

A. boron steel
B. high speed steel
C. stainless steel
D. malleable cast iron

Answer: Option B

Explanation:

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19. 

In induction hardening __________ is high.

A. current
B. voltage
C. frequency
D. temperature

Answer: Option C

Explanation:

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20. 

The metal suitable for bearings subjected to light loads, is

A. silicon bronze
B. white metal
C. monel metal
D. phosphor bronze

Answer: Option D

Explanation:

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