Chapter 5 OXY ACETYLENE GAS WELDING TECHNIQUES MCQs

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1. . There are …………types of welding Techniques.





2. . In ……… method, welding is done from right to left.





3. . Forehand method is best to weld ……… metals.





4. . In Forehand method, metals up to ……… mm can be easily welded





5. . In ……… method, welding is done from left to right.





6. . Backhand method is also called as ………...





7. . In backhand welding, the flame or electrode is ……………… from the direction of weld progression





8. . In backhand welding ………… heat is required





9. . In backhand welding the torch is usually inclined at an angle of ……… with feed vector





10. . Preheating is the process applied to raise the temperature of the material to be welded ………. welding





11. . After welding, cast iron is cooled ………..





12. . For Copper welding ……….. flame is used





13. . After the weld has been completed, there is a need of ………





14. . After welding, light striking is done with the help of hammer, it is called as ………





15. . ………………. welding technique should be used for Cast iron





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