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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
Double
Equal to
0.5 times

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Machine Design
Transverse fillet welded joints are designed for

Shear strength
Bending strength
Tensile strength
Compressive strength

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Machine Design
A key way lowers

The rigidity of the shaft
The ductility of the shaft
Both the strength and rigidity of the shaft
The strength of the shaft

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Machine Design
The bending stress in a curved beam is

Zero at the centroidal axis
Maximum at the neutral axis
None of these
Zero at the point other than centroidal axis

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Machine Design
If the centre distance of the mating gears having involute teeth is increased, then the pressure angle

None of these
Decreases
Increases
Remains unchanged

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Machine Design
Residual stress in materials

Is independent of external loads
Becomes zero when external load is removed
Acts when external load is applied
Is always harmful

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