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Machine Design

Machine Design
In a marine flange coupling, the thickness of flange is taken as

3d/4
d/2
d/3
d/4

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

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Machine Design
Which of the following welded joint is designed for shear strength?

Parallel fillet welded joint
Transverse fillet welded joint
Butt welded joint
All of these

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Machine Design
The coefficient of friction between the belt and pulley depends upon the

Speed of belt
All of these
Slip of belt
Material of belt and pulley

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Machine Design
A steel containing up to 0.15% carbon is known as

Dead mild steel
Mild steel
Medium carbon steel
High carbon steel

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Machine Design
The expansion joint is mostly used for pipes which carry steam at __________ pressures.

Medium
High
Low
None of these

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