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

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

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Machine Design
Which of the following statement is wrong for a connecting rod?

If Ixx < 4 Iyy, the buckling will occur about X-axis
The most suitable section for the connecting rod is T-section
The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy
If Ixx > 4 Iyy, the buckling will occur about Y-axis

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Machine Design
Coaxing is the procedure of increasing

Fatigue limit by over-stressing the metal by successively increasing loadings
Metal resistance to corrosion by coating
Metal strength by cycling
Metal hardness by surface treatment

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