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Machine Design

Machine Design
The shear modulus of resilience is proportional to

(Shear stress)3
Shear stress
(Shear stress)⁴
(Shear stress)²

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Machine Design
The root angle of a bevel gear is equal to

Pitch angle + dedendum angle
Pitch angle + addendum angle
Pitch angle - addendum angle
Pitch angle - dedendum angle

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Machine Design
If the centre distance of the mating gears having involute teeth is increased, then the pressure angle

Remains unchanged
Increases
None of these
Decreases

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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

Internal bevel gears
Mitre gears
Crown bevel gears
Angular bevel gears

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Machine Design
The material commonly used for machine tool bodies is

Aluminium
Mild steel
Cast iron
Brass

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

Double
Equal to
0.5 times
2 times

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