QUESTION 1: MULTIPLE-CHOICE QUESTIONS (GENERIC)
Various options are provided as possible answers to the following questions - NSC Mechanical Technology Automotive - Question 1 - 2023 - Paper 1
Question 1
QUESTION 1: MULTIPLE-CHOICE QUESTIONS (GENERIC)
Various options are provided as possible answers to the following questions. Choose the answer and write only the le... show full transcript
Worked Solution & Example Answer:QUESTION 1: MULTIPLE-CHOICE QUESTIONS (GENERIC)
Various options are provided as possible answers to the following questions - NSC Mechanical Technology Automotive - Question 1 - 2023 - Paper 1
Step 1
Which ONE of the following safety precautions is applicable to the bench grinder?
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Answer
The correct answer is C. Wear safety goggles when grinding. This is essential for protecting the eyes from metal particles and debris that may be generated during the grinding process.
Step 2
What does the Occupational Health and Safety Act state regarding HIV/Aids awareness?
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Answer
The correct answer is A. All employers must make sure that the workplace is safe, and that employees are not at risk of contracting HIV. This reflects the importance of maintaining a safe work environment.
Step 3
Which ONE of the following procedures is applicable when applying basic medical treatment?
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Answer
The correct answer is A. Examine the injured person. This is the first step in providing appropriate medical care, allowing for a better assessment of the situation.
Step 4
Why is steel heated slowly to a certain temperature during heat treatments?
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Answer
The correct answer is C. A uniform temperature is obtained. This is critical to ensure even heating and prevent any structural defects in the metal.
Step 5
Which ONE of the following is an example of case-hardening?
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Answer
The correct answer is B. Gears. Case-hardening is a process that increases surface hardness while maintaining a softer core.
Step 6
What is the term quenching rate during heat treatment?
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Answer
The correct answer is A. Cooling rate. The quenching rate is crucial as it affects the final properties of the hardened material.
