During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to
A. Time
B. Square root of time
C. Square of time
D. Cube of time
Answer: Option B
A. Time
B. Square root of time
C. Square of time
D. Cube of time
Answer: Option B
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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