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Machine Design

Machine Design
In most machine members, the damping capacity of the material should be

Zero
High
Low
Could be anything

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Machine Design
For steel, the ultimate strength in shear as compared to ultimate strength in tension is

43834
43833
43832
43864

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Machine Design
For hardening alloy steels and high speed steels, they are heated to

1300 to 1500°C
700 to 900°C
500 to 600°C
1100 to 1300°C

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Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Tip of the pinion and flank of gear
Tip of both gear and pinion
Tip of the gear and flank of pinion
Flanks of both gear and pinion

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Machine Design
A universal coupling is used to connect two shafts

Have lateral misalignment
Which are perfectly aligned
Whose axes intersect at a small angle
Which are not in exact alignment

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Machine Design
According to I.B.R., shearing resistance required to shear off the rivet per pitch length (in double shear) is (where n = Number of rivets per pitch length)

3 × (π/4) d² × τ × n
1.875 × (π/4) d² × τ × n
(π/4) d² × τ × n
2 × (π/4) d² × τ × n

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