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Machine Design

Machine Design
Fibrous fracture occurs in

Elastic material
Ductile material
Brittle material
Hard material

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Machine Design
In radial bearings, the load acts __________ to the axis of rotation.

Both A and B
Parallel
None of these
Perpendicular

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

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

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Machine Design
When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be

1.2 d
1.57 d
0.8 d
1.8 d

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Machine Design
A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is

Equal to 1/10
Greater than 1/10
None of these
Less than 1/10

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Machine Design
When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the

Initial tension or external load, whichever is greater
Initial tension
External load applied
Sum of the initial tension and external load applied

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