Machine Design
When a metal or alloy is cold worked,

None of these
It is worked below recrystallization temperature
Both (A) and (B)
Its hardness and strength increases

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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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