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Machine Design

Machine Design
A riveted joint is a __________ fastening.

Either A or B
Temporary
Permanent
None of these

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Machine Design
The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as

(Kf + 1)/ (Kt + 1)
(Kf - 1)/ (Kt - 1)
(Kt + 1)/ (Kf + 1)
(Kt - 1)/ (Kf - 1)

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Machine Design
Lewis equation in gears is used to find the

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

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Machine Design
A localized compressive stress at the area of contact between two members is known as

Bending stress
Bearing stress
Tensile stress
Shear stress

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Machine Design
Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

None of these
Shear strength
Elastic strength
Yield strength

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Machine Design
Allen bolts are

Self locking bolts
Provided with hexagonal depression in head
Designed for shock load
Used in aircraft application

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