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Machine Design

Machine Design
The standard length of the shaft is

6 m
5 m
All of these
7 m

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Machine Design
A circular shaft can transmit a torque of 5 kN-m. If the torque is reduced to 4 kN-m, then the maximum value of bending moment that can be applied to the shaft is

2 kN-m
1 kN-m
3 kN-m
4 kN-m

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Machine Design
For general industrial machinery, the ratio of the length of journal to its diameter is taken as

5 to 10
3 to 5
1 to 2
0.5 to 1

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Machine Design
All stresses produced in a belt are

Compressive stresses
Shear stresses
Both tensile and compressive stresses
Tensile stresses

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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)

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

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Machine Design
According to Indian standards, total numbers of fundamental deviations are

25
20
15
10

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