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Machine Design

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

Conical head
Pan Head
Snap head
Counter sunk head

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Machine Design
The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is

22.5 kN
10.6 kN
7.5 kN
15 kN

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Machine Design
The pitch diameter is the __________ diameter of an external or internal screw thread.

Effective
Largest
Smallest
None of these

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Machine Design
The diameter of the rivet hole is usually __________ the nominal diameter of the rivet.

More than
None of these
Less than
Equal to

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Machine Design
A transmission shaft includes

Over head shaft
All of these
Line shaft
Counter shaft

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Machine Design
When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is

A combination of torsional shear stress and bending
Bending stress only
Direct shear stress only
A combination of bending stress and direct shear stress

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