In general, the limit of inflammability/explosion limit of fuel gases is
widened by the
(A) Increase in gas pressure
(B) Increase in temperature (i.e. preheating)
(C) Use of pure oxygen for combustion instead of air
(D) All (A), (B) & (C)
widened by the
(A) Increase in gas pressure
(B) Increase in temperature (i.e. preheating)
(C) Use of pure oxygen for combustion instead of air
(D) All (A), (B) & (C)