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Machine Design

Machine Design
The constant factor in case of R10 series of preferred numbers is

1.06
1.58
1.26
1.12

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Machine Design
In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as

Pressure angle
Helix angle
Pitch lead angle
None of these

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Machine Design
A flange coupling is used to connect two shafts

Whose axes intersect at a small angle
Have lateral misalignment
Which are not in exact alignment
Which are perfectly aligned

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Machine Design
Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.

Twice
Four times
Sixteen times
Eight times

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Machine Design
Fibrous fracture occurs in

Elastic material
Brittle material
Ductile material
Hard material

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Machine Design
The cold working of metals is carried out __________ the recrystallization temperature.

Above
At
None of these
Below

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