Theoretical volume of oxygen required for complete combustion of
1Nm3 of acetylene, in oxy-acetylene welding is __________ Nm3.
(A) 0.5
(B) 1
(C) 1/3
(D) 2.5
1Nm3 of acetylene, in oxy-acetylene welding is __________ Nm3.
(A) 0.5
(B) 1
(C) 1/3
(D) 2.5