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Study MCQ
Sheet Metal Worker
WELDING 2 METAL JOINING AND CUTTING
Set 3
Set 3
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Q10842
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What is the process of separating metal on heating by chemical reaction of oxygen and heated metal?
A
Gas cutting
B
Plasma cutting
C
Laser beam cutting
D
Water jet cutting
Q10843
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What is known as heating the metal before welding or cutting?
A
Oxidizing
B
Post heating
C
Flame hardening
D
Pre heating
Q10844
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What is the pre-heating temperature of steel Approximately for Gas Cutting?
A
900 Degree Centigrade
B
800 Degree Centigrade
C
600 Degree Centigrade
D
700 Degree Centigrade
Q10845
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What is the chemical reaction of substance with oxygen?
A
Ionisation
B
Oxidation
C
Reaction
D
Formation
Q10846
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Which is the characteristic of plasma arc cutting?
A
Cuts are not so good quality
B
Cutting speed very slow
C
Non-metals can't be cut
D
High speed piercing is archieved
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