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Engineering Materials

Pick up the wrong statement Nickel and chromium in steel help in _________________?

Pick up the wrong statement Nickel and chromium in steel help in _________________?

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

Pick up the wrong statement Nickel and chromium in steel help in _________________? Read More »

Engineering Materials

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?

A. silver metal
B. duralumin
C. Hastelloy
D. monel metal
E. invar

Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________? Read More »

Engineering Materials