The proportion of acetylene and oxygen used in gas welding is

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asked Dec 23, 2017 in production by chandu (215k points)

The proportion of acetylene and oxygen used in gas welding is

(a) 2 : 1                           (b) 1 : 1

(c) 1 : 2                           (d) 3 : 4

ies-objectives-2
2014
production
welding

The proportion of acetylene and oxygen used in gas welding is

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