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.Management Sciences
A. providing corrosion resistance
B. improving machining properties
C. providing high strength at elevated temperatures
D. raising the elastic limit
E. improving the resilience and ductility
Related Mcqs:
- Induction hardening is the process of_____________________?
- A. hardening surface of workpiece to ob-tain hard and wear resistant surface B. heating and cooling rapidly C. increasing hardness throughout D. inducing hardness by continuous process E. hardening core...
- Amorphous material is one___________________?
- A. in which atoms align themselves in a geometric pattern upon solidification B. in which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid C. which is not attacked by phosphorous D. which emits fumes on melting E. none of the above...
- Delta iron occurs at temperature of_______________?
- A. room temperature B. above melting point C. between 1400°C and 1539°C D. between 910°C and 1400°C E. none of the above...
- Nodular iron has____________________?
- A. high maehinability B. low melting point C. high tensile strength D. good fluidity E. all of the above...
- Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio _____________________?
- A. 50 : 20 : 20 : 10 B. 40 : 30 : 20 : 10 C. 50 : 20 : 10 : 20 D. 30 : 20 : 30 : 20 E. 50 : 10 : 20 : 20...
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