Manufacturing And Production Technology
The tool life in case of a grinding wheel is the time

Taken for the wheel to be balanced
Taken between two successive wheel dressings
Between two successive regrinds of the wheel
Taken for a wear of 1 mm on its diameter

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Manufacturing And Production Technology
The effect of setting a boring tool above center height leads to

Increase in both effective rake angle and effective clearance angle
Decrease in the effective rake angle and an increase in the effective clearance angle
Increase in the effective rake angle and a decrease in the effective clearance angle
Decrease in both effective rake angle and effective clearance angle

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Manufacturing And Production Technology
Which of the following statement is correct about hot machining?

It is used for machining high strength and high temperature resistant materials.
All of these
It requires less power than machining metals at room temperature.
The rate of tool wear is lower.

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Manufacturing And Production Technology
Glazing in grinding wheels takes place when the

Wheel is too hard or wheel revolves at a very high speed
Wheel is too hard and wheel revolves at very slow speed
Wheel is too soft and wheel revolves at a very high speed
Wheel is too soft or wheel revolves at a very slow speed

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