Manufacturing And Production Technology
A hole is of dimension φ = 9 ₊0⁺⁰∙⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰∙⁰¹⁰ mm. The resulting assembly has

Close running fit
Interference fit
Loose running fit
Transition fit

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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.
It requires less power than machining metals at room temperature.
The rate of tool wear is lower.
All of these

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Manufacturing And Production Technology
The facing is an operation of

Embossing a diamond shaped pattern on the surface of a workpiece
Reducing the diameter of a workpiece over a very narrow surface
Beveling the extreme end of a workpiece
Machining the ends of a workpiece to produce a flat surface square with the axis

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