The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is
A. Magnesite
B. Chrome
C. Silica
D. Fireclay
Answer: Option C
Related Questions on Chemical Engineering Basics
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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