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Machine Design

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

Less than
None of these
Equal to
More than

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Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct bending stress
Direct shear stress
Direct compressive stress
Direct tensile stress

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Machine Design
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v).

10 m/s
15 m/s
20 m/s
12.5 m/s

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Machine Design
Which is positive drive?

Crossed belt drive
Flat belt drive
V belt drive
Timing belt

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Machine Design
The modulus of elasticity for mild steel is approximately equal to

80 kN/mm²
110 kN/mm²
210 kN/mm²
100 kN/mm²

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Machine Design
The smallest diameter of an external or internal screw thread is known as

Minor diameter
Major diameter
Pitch diameter
None of these

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