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WELDING AND HEAT TREATMENT - Practice Mode
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WELDING AND HEAT TREATMENT
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1) Which type of thread is used in acetylene gas cylinder?
Single Start thread
Multi Start thread
Right hand thread
Left hand thread
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Correct Answer: Left hand thread
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1) Which type of thread is used in acetylene gas cylinder?
Single Start thread
Multi Start thread
Right hand thread
Left hand thread
2) Which one is the heat treatment process?
Casting
Machining
Welding
Annealing
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Correct Answer: Annealing
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2) Which one is the heat treatment process?
Casting
Machining
Welding
Annealing
3) What is the purpose of hardening?
Increase ductility
Increase malleability
Increase strength
Increase britlenesss
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Correct Answer: Increase strength
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3) What is the purpose of hardening?
Increase ductility
Increase malleability
Increase strength
Increase britlenesss
4) What is the advantage of AC arc welding machine?
More initial cost
Freedom from arc blow
More maintenance cost
Un suitable for non ferrous metal
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Correct Answer: Freedom from arc blow
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4) What is the advantage of AC arc welding machine?
More initial cost
Freedom from arc blow
More maintenance cost
Un suitable for non ferrous metal
5) What is the advantage of using rectifier set in arc welding machine?
Suitable for all ferrous and non-ferrous
Initial cost is higher
Maintenance cost is more
Special safety precaution required
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Correct Answer: Suitable for all ferrous and non-ferrous
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5) What is the advantage of using rectifier set in arc welding machine?
Suitable for all ferrous and non-ferrous
Initial cost is higher
Maintenance cost is more
Special safety precaution required
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