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What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct

by ayush dekate asked Jul 31, 2021 0 views

What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both*
(ii) Only Oxygen –LPG
(iii) Only Compressed air petrol both
(iv) both are correct

1 Answer

by ayush dekate answered Jul 31, 2021

) Oxygen –LPG & Compressed air petrol both*

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by ayush dekate asked Jul 31, 2021 0 views

ressure of LPG during pre-heating shall be? (i) 2.0 - 2.5 kg/ sq cm (ii) 2.0 - 2.5 kg/ sq cm (iii) 2.0 - 2.5 kg/ sq cm* (iv) 2.0 - 2.5 kg/ sq cm

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by ayush dekate asked Jul 31, 2021 0 views

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1 answer