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Refrigeration and Air Conditioning Technician
WELDING
Set 1
Set 1
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Q10324
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What is the tool used for holding hot metals?
A
Tongs
B
Spanner
C
Pipe vice
D
Bench vice
Q10325
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What is the safety device used during arc welding?
A
Screw clamp
B
Hand screen
C
Electrode holder
D
Lugs for welding
Q10326
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What is the storage capacity of oxygen cylinder?
A
3 m<sup>3</sup>
B
5 m<sup>3</sup>
C
6 m<sup>3</sup>
D
7 m<sup>3</sup>
Q10327
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What is the flame temperature range of oxy acetylene gas flame?
A
1800Degree Centigrade to 2200Degree Centigrade
B
2400Degree Centigrade to 2700Degree Centigrade
C
2700Degree Centigrade to 2800Degree Centigrade
D
3100Degree Centigrade to 3300Degree Centigrade
Q10328
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What is the percentage range of silver in copper to copper pipes brazing rod?
A
20 to 35%
B
35 to 45%
C
45 to 60%
D
60 to 100%
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