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Machine Design

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

152°
40°
122°
136°

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Machine Design
In a steam engine, the piston rod is usually connected to the cross-head by means of a

Oldham coupling
Knuckle joint
Universal joint
Cotter joint

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Machine Design
The lead angle of a worm is 22.5°. Its helix angle will be

45°
67.5°
22.5°
90°

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Machine Design
According to Indian standard specifications, 100 H6/g5 means that the

Actual size is 100 mm
None of these
Basic size is 100 mm
Difference between the actual size and basic size is 100 mm

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Machine Design
Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be

16
4
2
8

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Machine Design
A key made from a cylindrical disc having segmental cross-section, is known as

Gib head key
Flat saddle key
Woodruff key
Feather key

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