Metal Alloy – Exercise – 1

Metal Alloy » Exercise – 1

1. Constantan is a Copper-Nickel alloy consisting of :

(a) 60 % Cu and 40 % Ni
(b) 70 % Cu and 30 % Ni
(c) 50 % Cu and 50 % Ni
(d) 80 % Cu and 20 % Ni

2. Bronze is an alloy of :

(a) Copper, zinc and tin
(b) copper, lead and silver
(c) copper and zinc
(d) copper and tin

3. Babbit is an alloy of :

(a) copper, tin and zinc
(b) silver, nickel and zinc
(c) tin, zinc and silver
(d) Tin, antimony and copper

4. German silver is an alloy of :

(a) copper, silver and aluminium
(b) silver , tin and tungsten
(c) copper, manganese and nickel
(d) copper, zinc and nickel

5. Gun metal contains :

(a) 80% Cu + 15% Zn + 5 % Sn
(b) 60% Cu + 20% Zn + 20 % Sn
(c) 85% Cu + 10% Zn + 5 % Sn
(d) 88% Cu + 2% Zn + 10 % Sn

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