Question : Bronze is an alloy of Which of the following?

Option 1: Copper and zinc

Option 2: Tin and Zinc

Option 3: Copper and Tin

Option 4: Iron and Zinc

Question : Bronze is an alloy of

Option 1: Copper and Tin

Option 2: Copper and Zinc

Option 3: Copper and Iron

Option 4: Iron and Nickel

Question : In two types of brass, the ratios of copper to zinc are 8 : 3 and 15 : 7, respectively. If the two types of brass are melted and mixed in the ratio 5 : 2, a new type of brass is obtained. The ratio of copper to zinc in this new type of brass is:

Option 1: 3 : 2

Option 2: 2 : 3

Option 3: 3 : 4

Option 4: 5 : 2

Question : German silver is an alloy of

Option 1: Copper, nickel and silver

Option 2: Silver ,copper and aluminium

Option 3: Zinc copper and nickel

Option 4: Zinc silver and copper

Question : The material used in electric heater is

Option 1: Tungsten

Option 2: Nichrome

Option 3: Brass

Option 4: Steel