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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Related Mcqs:
- Gun metal contains__________________?
- A. 70% copper and 30% zinc B. 90% copper and 10% tin C. 85-92% copper and rest tin with little lead and nickel D. 70-78% copper and rest tin E. 85-92% copper and rest zinc...
- White metal contains__________________?
- A. 63 to 67% nickel and 30% copper B. 88% copper and 10% tin and rest zinc C. alloy of tin, lead and cadmium D. silver and chromium E. malleable cast iron and silver...
- Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio_________________?
- A. 50 : 50 B. 30 : 70 C. 70 : 30 D. 40 : 60 E. 60 : 40...
- Aluminium bronze contains__________________?
- A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe B. 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg C. 10% aluminium and 90% copper D. 90% magnesium and 9% aluminium with some copper E. 10% aluminium and 90% tin...
- Basic constituents of Monel metal are _________________?
- A. nickel, copper B. nickel, molybdenum C. zinc, tin, lead D. nickel, lead and tin E. none of the above...
- The number of electrons in 1 cm3 of metal would be of the order of_______________?
- A. 1010 B. TO16 C. 1022 D. 1040 E. 1052...
- A specimen of aluminium metal when observed under microscope shows __________________?
- A. B.C.C. crystalline structure B. F.C.C. crystal structure C. H.C.P. structure D. a complex cubic structure E. orthorhombic crystalline structure...
- Dow metal contains____________________?
- A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe B. 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg C. 90% aluminium and 90% copper D. 90% magnesium and 9% aluminium with some copper E. 90% magnesium and 10% tin...
- Delta metal is an alloy of__________________?
- A. copper, zinc and iron B. iron, nickel and copper C. iron, lead and tin D. iron, aluminium and magnesium E. copper, zinc and antimony...
- Bell metal contains_____________________?
- A. 70% copper and 30% zinc B. 90% copper and 10% tin C. 85-92% copper and rest tin with little lead and nickel D. 70-75% copper and rest tin E. 70-75% copper and rest zinc and tin...
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