Exercise: Machine Design

Questions for: Machine Design

In a butt welded joint, the size of weld is __________ the throat of weld.
A:
0.5 times
B:
equal to
C:
2 times
D:
double
Answer: B
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When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be
A:
B:
C:
D:
Answer: C
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In a sawn nut, a slot is cut about half way through the nut and a small screw is tightened between the nut and the bolt in order to produce more friction.
A:
Agree
B:
Disagree
C:
D:
Answer: A
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The shear modulus of resilience is proportional to
A:
shear stress
B:
(shear stress)2
C:
(shear stress)3
D:
(shear stress)4
Answer: B
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Deep groove ball bearings are used for
A:
heavy thrust load only
B:
small angular displacement of shafts
C:
radial load at high speed
D:
combined thrust and radial loads at high speed
Answer: D
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