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Welder
WELDABILITY OF STEEL
Set 10
Set 10
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Q13329
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Which gauging nozzle is selected for rivet head cutting?
A
Bent nozzle with three pre-heating holes
B
Straight nozzle with six pre-heating holes
C
Bent nozzle with six holes
D
Flute cutting straight with six holes
Q13330
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What benefit we get out of a carburising flame?
A
Suitable for brass, copper welding
B
Suitable for stellite, flame cleaning
C
Suitable for mildsteel, stainless steel
D
Suitable for pure aluminium, cast iron & brass welding
Q13331
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What are the defects in generated acetylene gas?
A
Oxygen, hydrogen & carbon
B
Carbon monoxide unburit ash
C
Hydrogen, dust particles, ash
D
Hydrogen, lime dust, ammonia & water vapour
Q13332
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What is the range of pressure used in an oxygen cylinder used in gas welding?
A
120 to 150 Kg/cm<sup>2</sup>
B
110 to 150 Kg/cm<sup>2</sup>
C
100 to 150 Kg/cm<sup>2</sup>
D
90 to 150 Kg/cm<sup>2</sup>
Q13333
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What should be the angle of filler rod, by rightward welding?
A
30 Degree - 40 Degree
B
40 Degree - 50 Degree
C
50 Degree - 60 Degree
D
60 Degree - 70 Degree
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