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Machine Design

Machine Design
A bench vice has following type of threads

Square
Buttress
Metric
Acme

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Machine Design
In a butt welded joint, the size of weld is __________ the throat of weld.

0.5 times
Double
2 times
Equal to

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Machine Design
A double strap butt joint (with equal straps) is

Always in single shear
Always in double shear
Either in single shear or double shear
Any one of these

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Machine Design
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

Mitre gears
Internal bevel gears
Crown bevel gears
Angular bevel gears

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Machine Design
The distribution of the forces along the length of key fitted in a shaft

Varies exponentially, being less near the torque-input end
Is uniform throughout
Varies exponentially, being more near the torque-input end
Varies linearly

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Machine Design
When a bolt is subjected to an external load, the stress induced in the bolt will be

Tensile stress
Shear stress
Combined tensile and shear stress
Any one of these

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