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Machine Design

Machine Design
The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

44047
44045
43869
43929

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Machine Design
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves

Axially downwards
None of these
Axially upwards or downwards
Axially upwards

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Machine Design
In a turnbuckle, if one of the rods has left hand threads, then the other rod will have

Pointed threads
Left hand threads
Right hand threads
Multiple threads

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Machine Design
A cotter joint is used to connect two __________ rods.

Co-axial
Parallel
Perpendicular
None of these

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Machine Design
The dedendum circle diameter is equal to (where φ = Pressure angle)

Clearance circle diameter × cosφ
Pitch circle diameter × sinφ
Pitch circle diameter × cosφ
Addendum circle diameter × cosφ

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Machine Design
According to I.B.R., the factor of safety of riveted joint should not be less than

2
3
1
4

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