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Machine Design

Machine Design
In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane.

Thrice
Half
None of these
Twice

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Machine Design
In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.

None of these
Both A and B
Right hand
Left hand

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Machine Design
According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than

1.5 d
d
2 d
2.5 d

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Machine Design
The size of a cam depends upon

Pitch curve
Pitch circle
Base circle
Prime circle

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Machine Design
Ball bearing type screws are found in following application

Steering mechanism
Crane
Screw jack
Aeroplane engines

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Machine Design
The shear modulus of resilience is proportional to

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

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