Metallurgy Engineering Iron Making, Steel Making MCQ Questions - 2

Question: 6

All the solid material present in the blast furnace hearth and bosh is

(A) Gaunge

(B) Coke

(C) Flux

(D) Iron ore lump

Question: 7

Chief source of sulphur in the blast furnace charge is

(A) Flux

(B) Sinter

(C) Iron ore

(D) Coke

Question: 8

Installation of Bell Less Top(BLT) system in modern blast furnace in improved

(A) Calorific value of B.F. gas

(B) Hearth cooling

(C) Quality of pig iron

(D) Burden distribution

Question: 9

Fuel used for the ignition in sinter machine is

(A) Furnace oil

(B) Tar

(C) Pulverised coke

(D) Coke oven gas/mixed gas

Question: 10

Increased fines in the charge of blast furnace increases the

(A) Deriving rate at a given air blowing pressure

(B) Reduction rate

(C) Pressure drop inside the furnace

(D) Burden permeability