Importance of common alloys practice exercise 4

Course: Grade 9 Integrated science - Mixtures, Elements and Compounds - Metals and Alloys

Quiz Questions (33 questions)

Question 1
A biomedical engineer is designing implants that must stay inside a patient’s body for years without causing harm. Which is the best alloy to use?
Question 2
A biomedical engineer is designing implants that must stay inside a patient’s body for years without causing harm. Which is the best alloy to use?  (1 mark)
Question 3
A biomedical engineer is designing implants that must stay inside a patient’s body for years without causing harm. Which is the best alloy to use?  (1 mark)
Question 4
A company in Thika is designing solar panel frames that must be strong, lightweight, and corrosion-resistant. Which alloy would best meet all these requirements?
Question 5
A company in Thika is designing solar panel frames that must be strong, lightweight, and corrosion-resistant. Which alloy would best meet all these requirements?  (1 mark)
Question 6
A company in Thika is designing solar panel frames that must be strong, lightweight, and corrosion-resistant. Which alloy would best meet all these requirements?  (1 mark)
Question 7
A factory in Nakuru is manufacturing cookware for Kenyan homes. They want a material that is hygienic, rustproof, and easy to clean. Which alloy should they use?
Question 8
A factory in Nakuru is manufacturing cookware for Kenyan homes. They want a material that is hygienic, rustproof, and easy to clean. Which alloy should they use?  (1 mark)
Question 9
A factory in Nakuru is manufacturing cookware for Kenyan homes. They want a material that is hygienic, rustproof, and easy to clean. Which alloy should they use?  (1 mark)
Question 10
A hospital in Eldoret is ordering prosthetic limbs for patients. Which alloy should be recommended for strength and safety in the human body?
Question 11
A hospital in Eldoret is ordering prosthetic limbs for patients. Which alloy should be recommended for strength and safety in the human body?  (1 mark)
Question 12
A hospital in Eldoret is ordering prosthetic limbs for patients. Which alloy should be recommended for strength and safety in the human body?  (1 mark)
Question 13
A Nairobi architect wants to design a statue that will last outdoors for many years. Which alloy should they choose?
Question 14
A Nairobi architect wants to design a statue that will last outdoors for many years. Which alloy should they choose?  (1 mark)
Question 15
A Nairobi architect wants to design a statue that will last outdoors for many years. Which alloy should they choose?  (1 mark)
Question 16
A plumber in Kisumu is choosing material for water taps. Which alloy is best for both appearance and rust-resistance?
Question 17
A plumber in Kisumu is choosing material for water taps. Which alloy is best for both appearance and rust-resistance?  (1 mark)
Question 18
A plumber in Kisumu is choosing material for water taps. Which alloy is best for both appearance and rust-resistance?  (1 mark)
Question 19
An engineer is designing bearings for a large wind turbine near Naivasha. The material must support rotating parts and resist wear under pressure. Which alloy is most suitable?
Question 20
An engineer is designing bearings for a large wind turbine near Naivasha. The material must support rotating parts and resist wear under pressure. Which alloy is most suitable?  (1 mark)
Question 21
An engineer is designing bearings for a large wind turbine near Naivasha. The material must support rotating parts and resist wear under pressure. Which alloy is most suitable?  (1 mark)
Question 22
The image below shows a prosthetic leg being used by a runner. Which alloy is most suitable for making such an artificial limb? [Image showing a prosthetic leg in a running or sports setting]
Question 23
The image below shows a prosthetic leg being used by a runner. Which alloy is most suitable for making such an artificial limb?  (1 mark)
Question 24
The image below shows a prosthetic leg being used by a runner. Which alloy is most suitable for making such an artificial limb?  (1 mark)
Question 25
The image below shows a prosthetic leg being used by a runner. Which alloy is most suitable for making such an artificial limb?  (1 mark)
Question 26
The image below shows tools used in a Jua Kali workshop in Gikomba. Which alloy would be best to make them last longer? [Image showing hammers, spanners, bolts, etc.]
Question 27
The image below shows tools used in a Jua Kali workshop in Gikomba. Which alloy would be best to make them last longer? (1 mark)
Question 28
The image below shows tools used in a Jua Kali workshop in Gikomba. Which alloy would be best to make them last longer? (1 mark)
Question 29
The image below shows tools used in a Jua Kali workshop in Gikomba. Which alloy would be best to make them last longer? (1 mark)
Question 30
The table below shows different alloy uses. Which alloy fits the blank row? UseAlloy (to choose) Coins and medalsBronze Bicycle frames? Decorative musical itemsBrass
Question 31
The table below shows different alloy uses. Which alloy fits the blank row? (1 mark) Use Alloy (to choose) Coins and medals Bronze Bicycle frames ? Decorative musical items Brass
Question 32
The table below shows different alloy uses. Which alloy fits the blank row? (1 mark) Use Alloy (to choose) Coins and medals Bronze Bicycle frames ? Decorative musical items Brass
Question 33
The table below shows different alloy uses. Which alloy fits the blank row? (1 mark) Use Alloy (to choose) Coins and medals Bronze Bicycle frames ? Decorative musical items Brass

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