Question

Which of the following statements about low shaft blast furnace is not true?

(a) In this, the blast is rich in oxygen

(b) The gas produced has a low calorific value

(c) The oxygen consumed by this furnace can be made available from natural air

(d) It consumes fine ores

Answer 1

Right option is (b) The gas produced has a low calorific value

For explanation: In a low shaft blast furnace, the blast is rich in oxygen. The oxygen consumed by this furnace can be made available from natural air. It consumes fine ores and the gas produced has high calorific value.