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Machine Design

Machine Design
The wear load should be __________ the dynamic load.

Equal to
Greater than
Less than
None of these

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Machine Design
Gears are casted by

Slush casting
Centrifugal casting
Permanent mould casting
Sand mould casting

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Machine Design
The strength of the unriveted plate (P) per pitch length is equal to

p.t.σt
p.d.σt
(p - d) σt
(p - d) t.σt

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Machine Design
The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be

εc² + εl
εc + 2εl
2εc + εl
εc + εl²

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

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

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

Multiple threads
Left hand threads
Right hand threads
Pointed threads

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