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Machine Design

Machine Design
Rankine's theory of failure is applicable for following type of materials

Brittle
Ductile
Elastic
Plastic

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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 upwards
Axially upwards or downwards
Axially downwards
None of these

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Machine Design
In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be

25
21
17
15

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Machine Design
The following type of nut is used with alien bolt

Any one of the above
Castle nut
Slotted nut
Hexagonal nut

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Machine Design
Guest's theory is used for

Brittle materials
Ductile materials
Plastic materials
Elastic materials

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Machine Design
In the levers of first type, the mechanical advantage is ________ one.

None of these
Equal to
Less than
More than

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