Sudden immersion/dipping of red hot steel bar in water makes it
A. Malleable & tough
B. Ductile & soft
C. Brittle & hard
D. None of these
Answer: Option C
A. Malleable & tough
B. Ductile & soft
C. Brittle & hard
D. None of these
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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