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Machine Design

Machine Design
A single strap butt joint is always in __________ shear.

Single
Double
None of these
Triple share

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Machine Design
A coupling used to connect two perfectly aligned shafts, is

Muff coupling
Compression coupling
Flange coupling
All of these

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Machine Design
The ratio of the ultimate stress to the design stress is known as

Strain
Factor of safety
Bulk modulus
Elastic limit

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Machine Design
The shear plane in case of bolts should

Be parallel to axis of bolt
Be normal to threaded portion of shank
Never be across the threaded portion
Be across threaded portion of shank

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Machine Design
The constant factor in case of R10 series of preferred numbers is

1.12
1.26
1.58
1.06

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

Half
Twice
Thrice
None of these

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