BASIC FITTING - Practice Mode

1) What is the property of metal that permits no permanent distortion before breaking?

Tenacity Hardness Brittleness Toughness

Correct Answer: Brittleness

2) Why the hand taps are chamfered at the lead?

Aligning Finishing Strengthening Gripping

Correct Answer: Aligning

3) What is the accuracy of Vernier bevel protractor?

1 Degree 5 Degree 5 Minutes 5 Seconds

Correct Answer: 5 Minutes

4) Why surface plates are made of stress relieved good quality cast iron?

To prevent corrosion To prevent breaking To prevent distortion To prevent thermal expansion

Correct Answer: To prevent distortion

Explanation:

In oxy acetylene welding Acetylene gas is closed first to avoid back fire.

5) What is the main advantage of adjustable parallel block?

To set different angle To set different depth To set different length To set different height

Correct Answer: To set different height

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