The reductant used in the extraction of magnesium from calcined dolomite via Pidgeon's process is
A. Pure carbon
B. Pure silicon
C. Ferro silicon
D. Ferro manganese
Answer: Option C
A. Pure carbon
B. Pure silicon
C. Ferro silicon
D. Ferro manganese
Answer: Option C
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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