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.Management Sciences
A. Diamond
B. High speed steel
C. Mild steel
D. Cast iron
Related Mcqs:
- High resistivity materials are used in_____________?
- A. precision instruments B. heating elements C. motor starters D. incandescent lamps E. all of the above...
- At transition temperature the value of critical field is____________?
- A. zero B. negative real value C. positive real value D. complex value...
- In graphite, bonding is____________?
- A. covalent B. metallic C. Vander Waals D. Vander Waals and covalent...
- Carbon bearings are used under which of the following conditions ?
- A. Where lubrication is difficult or im-possible B. Where corrosive chemical action exists C. Where high temperature exists D. All of the above...
- Which of the following factors affect resistivity of metals ?
- A. Age hardening B. Alloying C. Temperature D. Cold work E. All of the above...
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