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Sheet Metal Worker
Sheet Metal Worker Set-1
Welding - 2. Metal Joining and Cutting
11

Welding - 2. Metal Joining and Cutting MCQ with Answers

11) What is the process of separating metal on heating by chemical reaction of oxygen and heated metal?

Gas cutting

Plasma cutting

Laser beam cutting

Water jet cutting

Answer is:

Gas cutting

Welding - 2. Metal Joining and Cutting MCQ with Answers

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Related Welding - 2. Metal Joining and Cutting MCQ with Answers

12) What is known as heating the metal before welding or cutting?

Oxidizing

Post heating

Flame hardening

Pre heating

Answer is:

Pre heating

13) What is the pre-heating temperature of steel Approximately for Gas Cutting?

900 Degree Centigrade

800 Degree Centigrade

600 Degree Centigrade

700 Degree Centigrade

Answer is:

900 Degree Centigrade

14) What is the chemical reaction of substance with oxygen?

Ionisation

Oxidation

Reaction

Formation

Answer is:

Oxidation

15) Which is the characteristic of plasma arc cutting?

Cuts are not so good quality

Cutting speed very slow

Non-metals can't be cut

High speed piercing is archieved

Answer is:

High speed piercing is archieved

Welding - 2. Metal Joining and Cutting MCQ with Answers

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