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Machine Design

Machine Design
If a material fails below its yield point, failure would be due to

Fatigue
Sudden loading
Straining
Creep

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Machine Design
The size of a cam depends upon

Base circle
Prime circle
Pitch curve
Pitch circle

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Machine Design
Which one of the following loading is considered for the design of axles?

Combined bending moment and twisting moments
Twisting moment only
Bending moment only
Combined action of bending moment, twisting moment and axial thrust

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Machine Design
A flange coupling is used to connect two shafts

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

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Machine Design
A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is

2136 N-m
2100 N-m
2000 N-m
2050 N-m

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

None of these
Third
Second
First

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