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Machine Design

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

2 times
Equal to
Double
0.5 times

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Machine Design
When a helical compression spring is cut into halves, the stiffness of the resulting spring will be

Double
Same
One-half
One-fourth

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Machine Design
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v).

20 m/s
12.5 m/s
10 m/s
15 m/s

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Machine Design
The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction)

45° - φ/2
45° + φ/2
90° - φ
45° - φ

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Machine Design
For maximum power, the velocity of the belt will be

√(T/2m)
None of these
√(T/3m)
√(T/m)

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Machine Design
In designing a connecting rod, it is considered like __________ for buckling about Y-axis.

Both ends fixed
One end fixed and the other end free
One end fixed and the other end hinged
Both ends hinged

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