Mechanical Engineering - Machine Design

31.
The working of metals above the recrystallisation temperature is known as hot working.
True
False
Answer: Option
Explanation:
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32.
In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks)
Answer: Option
Explanation:
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33.
The ratio of number of teeth to the pitch circle diameter in millimetres is called circular pitch.
Agree
Disagree
Answer: Option
Explanation:
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34.
The washer is generally specified by its
outer diameter
hole diameter
thickness
mean diameter
Answer: Option
Explanation:
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35.
The taper on key is given on
bottom side only
top side only
on both sides
any side
Answer: Option
Explanation:
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