ASSEMBLY - Practice Mode

1) Which type of cutting tool is tempered by heating upto 230 Degree Centigrade?

Taps Drills Turning tool Reamers

Correct Answer: Turning tool

2) Why normalising process is carried out in steel?

To add cutting ability To develop high hardness To remove stress and strain To increase wear resistance

Correct Answer: To remove stress and strain

Explanation:

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3) Which heat treatment process increases the wear resistance of steel?

Annealing Tempering Hardening Normalising

Correct Answer: Hardening

4) What is the purpose of annealing?

To soften the steel To add cutting ability To increase wear resistance To refine the grain structure of the steel

Correct Answer: To soften the steel

5) Why square head screws are provided with collar?

Protect work surface Raise the head width Provide leak proof joint Provide access for tools

Correct Answer: Protect work surface

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