mcq2-17

mcq2-17

Professional Development

5 Qs

quiz-placeholder

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mcq2-17

mcq2-17

Assessment

Quiz

Professional Development

Professional Development

Practice Problem

Hard

Created by

pranesh ranjan

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of tempering steel after hardening?

Increase brittleness
Relieve internal stresses
Decrease toughness
Induce full hardness

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What temperature range is typically used for tempering steel?

100-200°C
400-500°C
700-800°C
200-300°C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the soaking period at the tempering temperature important?

It increases hardness
It prevents cooling
It relieves internal stresses
It decreases toughness

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What color indicates the tempering temperature of around 230°C?

Pale straw
Dark blue
Red brown
Greyish blue

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which property of steel does tempering help to restore?

Hardness
Brittleness
Ductility
Internal stresses

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