A. lead base alloy
B. tin base alloy
C. copper base alloy
D. all of the above
E. A. and C. above
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Related Mcqs:
- The correct composition of Babbit metal is__________________?
- A. 87.75% Sn, 4% Cu, 8% Sb, 0.25% Bi B. 90% Sn, 2% Cu, 4% Sb, 2% Bi, 2% Mg C. 87% Sn, 4% Cu, 8% Sb, 1% Al D. 82% Sn, 4% Cu, 8% Sb, 3% Al, 3% Mg E. none of the above...
- By severely deforming a metal in a particular direction it becomes _________________?
- A. ductile B. malleable C. homogeneous D. isotropic E. anisotropic...
- 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...
- 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...
- 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...
- Muntz metal contains copper and zinc in the ratio of________________?
- A. 50 : 50 B. 40 : 60 C. 60 : 40 D. 20 : 80 E. 80 : 20...
- 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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