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.Management Sciences
A. adding carbon up to 2.8%
B. adding carbon up to 6.3%
C. adding carbon up to 0.83%
D. adding small quantities of copper
E. adding copper and carbon
Related Mcqs:
- For the allotropic forms of iron, the points of arrest are __________________?
- A. the points where no further change oc-curs B. constant for all metals C. the points where there is no further flow of metal D. the points of discontinuity E. the points where major changes take place...
- Depth of hardness of steel is increased by addition of_________________?
- A. nickel B. chromium C. tungsten D. vanadium E. ell of the above...
- By severely deforming a metal in a particular direction it becomes _________________?
- A. ductile B. malleable C. homogeneous D. isotropic E. anisotropic...
- The crystal structure of gamma iron is_________________?
- A. body centred cubic B. face centred cubic C. hexagonal close packed D. cubic structure E. orthorhombic crystal...
- Pipes for bicycle frames are made of___________________?
- A. cold rolled steel B. hot rolled steel C. forged steel D. cast steel E. carbon-chrome steel...
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