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Mechanical Engineering - Machine Design

Exercise : Machine Design - Section 7
36.
The temperature at which the new grains are formed in the metal is known as
lower critical temperature
upper critical temperature
recrystallisation temperature
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Deep groove ball bearings are used for
heavy thrust load only
small angular displacement of shafts
radial load at high speed
combined thrust and radial loads at high speed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The shear modulus of resilience is proportional to
shear stress
(shear stress)2
(shear stress)3
(shear stress)4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
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.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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