Thermal shock produced by cooling is more dengerous/deleterious than that produced by heating a surface, because of the reason that
A. Cooling produces tension on the surface
B. Cooling produces compression on the surface
C. Heating does not produces any thermal stress
D. Heating produces compression on the surface
Answer: Option A
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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