Pick out the wrong statement.
A. Annealing twins are not observed in pure aluminium, because it has higher strain energy
B. Load during cold rolling can be lowered by the application of front tension
C. Very fine grain structure is desirable for high temperature creep application of materials
D. Soft magnetic materials are those which have less area within the hysterisis loop
Answer: Option C
This Question Belongs to Chemical Engineering >> 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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