Importance of common alloys practice exercise 1

Question 1

Explain why stainless steel is preferred in industries for making tanks and machines instead of ordinary steel. (2 marks)

Question 2

Explain why stainless steel is preferred in industries for making tanks and machines instead of ordinary steel. (2 marks)

Question 3

Why are titanium alloys used in making prosthetics and medical implants? (1 mark)

Question 4

Why are titanium alloys used in making prosthetics and medical implants? (1 mark)

Question 5

Why are tools like hammers made from alloys? (1 mark)

Question 6

Explain why duralumin is preferred for making bicycle frames instead of pure aluminium. (2 marks)

Question 7

Explain why duralumin is preferred for making bicycle frames instead of pure aluminium. (2 marks)

Question 8

Explain why duralumin is preferred for making bicycle frames instead of pure aluminium. (2 marks)

Question 9

Give one reason why school desks and chairs are made from steel. (1 mark)

Question 10

Give one reason why school desks and chairs are made from steel. (1 mark)

Question 11

Give one reason why school desks and chairs are made from steel. (1 mark)

Question 12

Refer to the alloy composition table in the image below. Compare the uses of brass and bronze based on their properties. (2 marks) Alloy Composition Uses Brass Copper, Zinc Used in musical instruments, pipe fittings and picture frames Bronze Copper, Tin Used in making coins, statues, medals and bearings

Question 13

Refer to the alloy composition table in the image below. Compare the uses of brass and bronze based on their properties. (2 marks) Alloy Composition Uses Brass Copper, Zinc Used in musical instruments, pipe fittings and picture frames Bronze Copper, Tin Used in making coins, statues, medals and bearings

Question 14

Refer to the alloy composition table in the image below. Compare the uses of brass and bronze based on their properties. (2 marks) Alloy Composition Uses Brass Copper, Zinc Used in musical instruments, pipe fittings and picture frames Bronze Copper, Tin Used in making coins, statues, medals and bearings

Question 15

Refer to the alloy composition table in the image below. Compare the uses of brass and bronze based on their properties. (2 marks) Alloy Composition Uses Brass Copper, Zinc Used in musical instruments, pipe fittings and picture frames Bronze Copper, Tin Used in making coins, statues, medals and bearings

Question 16

Refer to the alloy composition table in the image below. Compare the uses of brass and bronze based on their properties. (2 marks) Alloy Composition Uses Brass Copper, Zinc Used in musical instruments, pipe fittings and picture frames Bronze Copper, Tin Used in making coins, statues, medals and bearings

Question 17

Refer to the image below of the table showing different alloys and their uses. Using information from the image, explain why stainless steel is used to make kitchen appliances. (2 marks) Alloy Composition Uses Steel used in buildings, bridges, automotive parts and tools. Stainless steel Kitchen utensils, medical instruments and and appliances

Question 18

Refer to the image below of the table showing different alloys and their uses. Using information from the image, explain why stainless steel is used to make kitchen appliances. (2 marks) Alloy Composition Uses Steel Iron, Carbon used in buildings, bridges, automotive parts and tools. Stainless steel Iron, Chromium, Nickel Kitchen utensils, medical instruments and and appliances

Question 19

Refer to the image below of the table showing different alloys and their uses. Using information from the image, explain why stainless steel is used to make kitchen appliances. (2 marks) Alloy Composition Uses Steel Iron, Carbon used in buildings, bridges, automotive parts and tools. Stainless steel Chromium, Nickel Kitchen utensils, medical instruments and and appliances

Question 20

Refer to the image below of the table showing different alloys and their uses. Using information from the image, explain why stainless steel is used to make kitchen appliances. (2 marks) Alloy Composition Uses Steel Iron, Carbon used in buildings, bridges, automotive parts and tools. Stainless steel Chromium, Nickel Kitchen utensils, medical instruments and and appliances

Question 21

Why are Kenyan coins made from alloys? (1 mark)

Question 22

Why are Kenyan coins made from alloys? (1 mark)

Question 23

Why are Kenyan coins made from alloys? (1 mark)

Question 24

Why is stainless steel used to make sufurias? (1 mark)

Question 25

Why is stainless steel used to make sufurias? (1 mark)

Question 26

Why is stainless steel used to make sufurias? (1 mark)

Question 27