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Machine Design

Machine Design
In a butt welded joint, the size of weld is __________ the throat of weld.

Double
0.5 times
Equal to
2 times

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Machine Design
Taper usually provided on cotter is

1 in 10
1 in 40
1 in 24
1 in 5

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Machine Design
The value of Lewis form factor used in design of gears is

Dependent on system of teeth
Independent of size of teeth
Dependent on number of teeth of a gear
All of these

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Machine Design
A column is known as a long column if the slenderness ratio is

40
100
70
50

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Machine Design
Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to

W/2
2W/3
8W/9
W/9

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Machine Design
The stretching in a belt can be controlled by __________ the stress in the belt.

None of these
Increasing
Both A and B
Reducing

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