Machine Design
When a belt drive is transmitting maximum power,

Driving tension on slack side is equal to centrifugal tension
Driving tension on tight side is twice the centrifugal tension
Effective tension is half of centrifugal tension
Effective tension is equal to centrifugal tension

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

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
If Ixx < 4 Iyy, the buckling will occur about X-axis

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Machine Design
Coaxing is the procedure of increasing

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

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