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Machine Design

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

None of these
Equal to
More than
Less than

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Machine Design
In order to remove internal stresses produced by hardening the steel, the process usually adopted is

Tempering
Annealing
Spheroidizing
Normalizing

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Machine Design
The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to

3/ (3 + v)
6/ (6 + v)
4.5/ (4.5 + v)
0.75/ (0.75 + √v)

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Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

5°
25°
8°
15°

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Machine Design
The process extensively used for making bolts and nuts is

Extrusion
Cold peening
Hot piercing
Cold heading

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Machine Design
Lewis equation in gears is used to find the

Shear stress
Tensile stress in bending
Fatigue stress
Compressive stress in bending

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