Which of the following is capable of acting both as an acid flux as well as a basic flux in the metal extraction from its ore?
A. Silica
B. Lime
C. Alumina
D. Fluorite
Answer: Option C
A. Silica
B. Lime
C. Alumina
D. Fluorite
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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