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Machine Design

Machine Design
The spring mostly used in gramophones is

Conical spring
Helical spring
Volute spring
Flat spiral spring

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Machine Design
The draw of cotter should not be more than

6 mm
12 mm
3 mm
8 mm

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Machine Design
In a steam engine, the piston rod is usually connected to the cross-head by means of a

Cotter joint
Knuckle joint
Oldham coupling
Universal joint

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Machine Design
For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is

1/cosθ
1/tanθ
1/sinθ
sinθ cosθ

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Machine Design
Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

None of these
Yield strength
Elastic strength
Shear strength

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Machine Design
In levers, leverage is the ratio of

Load lifted to the effort applied
Effort arm to the load arm
Load arm to the effort arm
Mechanical advantage to the velocity ratio

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