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Machine Design

Machine Design
In a flange coupling, the bolts are subjected to

None of these
Shear stress
Tensile stress
Compressive stress

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Machine Design
The rivet head used for boiler plate riveting is usually

Conical head
Pan Head
Counter sunk head
Snap head

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Machine Design
A spring is used to

Store energy
Apply forces
Measure forces
All of these

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Machine Design
A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be

10 mm
15 mm
5 mm
25 mm

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Machine Design
For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be

4
8
10
6

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Machine Design
When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the

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

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