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mcq2-21

Authored by pranesh ranjan

Professional Development

Professional Development

mcq2-21
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of the nitriding process?

Enriching the surface with nitrogen
Enriching the surface with carbon
Heating parts in ammonia gas
Cooling parts in air

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two systems are commonly used for nitriding?

Gas nitriding and salt bath nitriding
Carburizing and annealing
Flame hardening and induction hardening
Case hardening and tempering

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In gas nitriding, at what temperature are parts heated in a constant circulation of ammonia gas?

100°C
300°C
500°C
700°C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of preheating workpieces before salt bath nitriding?

To cool the workpieces
To relieve stress in the workpieces
To increase the hardness of the workpieces
To form a layer on the workpiece surface

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the thickness of the layer formed on the surface during salt bath nitriding?

0.01 mm
0.02 mm
0.05 mm
0.10 mm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can parts be finish-machined before nitriding in salt bath nitriding?

No quenching is done after nitriding
Quenching is necessary after nitriding
To prevent distortion during nitriding
To increase the corrosion resistance

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the notable advantage of the nitriding process regarding distortion and warping?

Distortion and warping do not occur
Distortion and warping are minimized
Distortion and warping are significant
Distortion and warping are prevented

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