- (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
Mechanical Engineering Mcqs
- (A) improvement of casting characteristics
- (B) improvement of corrosion resistance
- (C) one of the best known age and precipitation-hardening systems
- (D) improving machinability
- (E) none of the above
- (A) delta metal
- (B) monel metal
- (C) constantan
- (D) nichrome
- (E) silicon bronze
- (A) 1% silver
- (B) 2.5% silver
- (C) 5% silver
- (D) 10% silver
- (E) 100% silver
- (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
- (A) stainless steel
- (B) gun metal
- (C) german silver
- (D) duralumin
- (E) cast iron
- (A) lead base alloy
- (B) tin base alloy
- (C) copper base alloy
- (D) all of the above
- (A) greater than 7
- (B) less than 7
- (C) equal to 7
- (D) pH value has nothing to do with neutral solution
- (E) none of the above
- (A) gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt
- (B) Mg, Zn, Ti, Zr, Br, Cd
- (C) a iron (below 910°C and between 1400 to 1539°C), W
- (D) all of the above
- (E) none of the above
- (A) silver
- (B) gold
- (C) copper
- (D) germanium
- (E) german silver
