Prevention of rusting practice exercise 2

Question 1

Study the diagram of a bicycle. The chain is oiled while the frame is left unprotected. Which part is less likely to rust?Diagram description: Bicycle with oily chain and bare metal frame.

Question 2

Study the diagram of the bicycle below. The chain is oiled while the frame is left unprotected. Which part is less likely to rust? (1 mark)

Question 3

Study the diagram of the bicycle below. The chain is oiled while the frame is left unprotected. Which part is less likely to rust? (1 mark)

Question 4

Study the diagram of two iron nails: Nail A is painted, Nail B is unpainted. Which nail is less likely to rust?Diagram description: Nail A is coated in paint; Nail B is bare iron.

Question 5

Study the diagram of two iron nails: Nail A is painted, Nail B is unpainted. Which nail is less likely to rust? (1 mark)

Question 6

Study the diagram below of two iron nails: Nail A is painted, Nail B is unpainted. Which nail is less likely to rust? (1 mark)

Question 7

Study a diagram showing two roofs: one flat with water pooling and one slanted with water running off. Which option explains why the slanted roof resists rusting better? Diagram description: Flat roof has stagnant water; slanted roof drains water away quickly.

Question 8

Study the diagram showing two roofs: one flat with water pooling and one slanted with water running off. Which option explains why the slanted roof resists rusting better? (1 mark)

Question 9

Study the diagram showing two roofs: one flat with water pooling and one slanted with water running off. Which option explains why the slanted roof resists rusting better? (1 mark)

Question 10

What happens when the zinc coating on a galvanized iron sheet is scratched?

Question 11

What happens when the zinc coating on a galvanized iron sheet is scratched? (1 mark)

Question 12

What happens when the zinc coating on a galvanized iron sheet is scratched? (1 mark)

Question 13

Which method of rust prevention is most suitable for machinery parts that undergo constant friction?

Question 14

Which method of rust prevention is most suitable for machinery parts that undergo constant friction? (1 mark)

Question 15

Which method of rust prevention is most suitable for machinery parts that undergo constant friction? (1 mark)

Question 16

Which method prevents rusting by coating iron with zinc?

Question 17

Which method prevents rusting by coating iron with zinc? (1 mark)

Question 18

Which method prevents rusting by coating iron with zinc? (1 mark)

Question 19

Which of the following best explains why galvanization prevents rusting of iron?

Question 20

Which of the following best explains why galvanization prevents rusting of iron? (1 mark)

Question 21

Which of the following best explains why galvanization prevents rusting of iron? (1 mark)

Question 22

Which of the following best explains why galvanization prevents rusting of iron? (1 mark)

Question 23

Which of the following methods protects iron by applying a layer of paint?

Question 24

Which of the following methods protects iron by applying a layer of paint? (1 mark)

Question 25

Which of the following methods protects iron by applying a layer of paint? (1 mark)

Question 26

Which one of the following explains why stainless steel is preferred in making surgical instruments?

Question 27

Which one of the following explains why stainless steel is preferred in making surgical instruments? (1 mark)

Question 28

Which one of the following explains why stainless steel is preferred in making surgical instruments? (1 mark)

Question 29

Why is oiling applied on machine parts?

Question 30

Why is oiling applied on machine parts? (1 mark)

Question 31

Why is oiling applied on machine parts? (1 mark)

Quiz Questions (31 questions)