The purposes of Recrystallization annealing are
A. To produce pearlite microstructure in steel
B. To produce better dispersion of ferrite and cementite in final microstructure
C. To produce finer grain structure than annealing process
D. All are correct
Answer: Option D
The extending the polymer chain by successive addition of monomers units is called
A. Propagation
B. Termination
C. Both A and B
D. None of these
If Reynolds number is greater than 1, then the
A. Viscous force is larger than the inertia force
B. inertia force is larger than the viscous force
C. inertia force is larger than the surface tension force
D. inertia force is larger than the gravitational force
Which is the correct (degree) temperature range for spherodized carbide in low carbon steel
A. 750-950°C
B. 950-1150°C
C. 550-750°C
D. None of these
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