Exercise: Machine Design

Questions for: Machine Design

The property of a material which enables it to resist fracture due to high impact loads, is called toughness.
A:
True
B:
False
C:
D:
Answer: A
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A steel containing upto 0.15% carbon is known as
A:
mild steel
B:
dead mild steel
C:
medium carbon steel
D:
high carbon steel
Answer: B
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Which of the following property is essential for spring materials?
A:
Stiffness
B:
Ductility
C:
Resilience
D:
Plasticity
Answer: C
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A bushed pin flexible coupling is used to connect two shafts whose axes intersect at a small angle.
A:
Yes
B:
No
C:
D:
Answer: B
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The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt, as
A:
B:
C:
D:
Answer: B
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