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Machine Design

Machine Design
Crushing resistance required to crush the rivet per pitch length is

n.d.t.σc
(p - d) t.σc
p.d.σc
p.t.σc

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Machine Design
The ratio of endurance limit in shear to the endurance limit in flexure is

0.55
0.5
0.4
0.33

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Machine Design
In Vickers hardness testing, the pyramid indentor apex is

40°
136°
122°
152°

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Machine Design
In order to permit the thermal expansion/contraction of tubing, it should be

Honed
Bent
Flared
Crimped

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Machine Design
When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is

0.5
0.2
0.65
0.35

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Machine Design
In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)

2d + 13 mm
d + 17 mm
3.5 d
2d + 20 mm

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