Coke is added in the blast furnace to
A. Reduce & melt the iron ore
B. Increase the fluidity of slag
C. Remove sulphur & phosphorus from molten metal
D. None of these
Answer: Option A
A. Reduce & melt the iron ore
B. Increase the fluidity of slag
C. Remove sulphur & phosphorus from molten metal
D. None of these
Answer: Option A
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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