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.Management Sciences
A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
B. 92.5% aluminium, 40% copper, 2% nickel, and 1.5% Mg
C. 10% aluminium and 90% copper
D. 90% magnesium and 9% aluminium with some copper
E. 94% aluminium and 6% tin
Related Mcqs:
- A reversible change in the atomic structure of steel with corresponding change in the properties is known as___________________?
- A. molecular change B. physical change C. allotropic change D. solidus change E. atomic change...
- A cold chisel is made of_______________?
- A. mild steel B. cast iron C. H.S.S. D. high carbon E. german silver...
- Carbon steel is_______________?
- A. made by adding carbon in steel B. refined from cast iron C. an alloy of iron and carbon with varying quantities of phosphorus and sulphur D. extensively used for making cutting tools E. extremely brittle...
- Large forgings, crank shafts, axles normally contain carbon up to________________?
- A. 0.05 to 0.20% B. 0.20 to 0.45% C. 0.45 to 0.55% D. 0.55 to 1.0% E. 1.0 to 1.2%....
- Admiralty gun metal contains__________________?
- A. 63 to 67% nickel and 30% copper B. 88% copper, 10% tin and rest zinc C. alloy of tin, lead and cadmium D. iron scrap and zinc E. none of the above...
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