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Machine Design

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

Slotted nut
Castle nut
Hexagonal nut
Any one of the above

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Machine Design
When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

None of these
Square
Parallel
Rectangular

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Machine Design
In standard taper roller bearings, the angle of taper of outer raceway is

25°
15°
8°
5°

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Machine Design
In the levers of __________ type, the mechanical advantage is less than one.

Third
First
None of these
Second

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Machine Design
Rankine Gordon formula for buckling is valid for

Short and long column
Short column
Long column
Very long column

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Machine Design
When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be

F/bh
2F/bh
4F/bh
3F/2bh

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