Machine Design
A compound belt drive is used when

Shafts are arranged at right angles and rotate in one definite direction
None of these
Shafts are arranged parallel and rotate in the same directions
Shafts are arranged parallel and rotate in the opposite directions

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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 Y-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 X-axis

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Machine Design
Stress concentration is caused due to

Abrupt change of section
Variation in properties of material from point to point in a member
Pitting at points or areas at which loads on a member are applied
All of these

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