Metal Alloy – Exercise – 1

6. Nichrome is an alloy of :

(a) cobalt, copper and nickel
(b) nickel, tin and zinc
(c) nickel, chromium and iron
(d) chromium, cobalt and nickel

Answer
Answer : (c)
Explanation
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7. Constantan contains :

(a) copper and nickel
(b) copper and tungsten
(c) tungsten and silver
(d) silver and tin

Answer
Answer : (c)
Explanation
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8. An alloy containing 71% copper, 28 % zinc and 1% tin is known as :

(a) Cartridge brass
(b) yellow brass
(c) admirality brass
(d) low brass

Answer
Answer : (c)
Explanation
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9. Cementite is :

(a) Fe3c3
(b) fe2c2
(c) fe3c
(d) fe3c2

Answer
Answer : (c)
Explanation
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10. Bronze is an alloy of :

(a) copper
(b) aluminium
(c) silver
(d) carbon

Answer
Answer : (a)
Explanation
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