Which ONE of the following safety precautions is applicable to the bench grinder?
A - NSC Mechanical Technology Automotive - Question 1 - 2023 - Paper 1
Question 1
Which ONE of the following safety precautions is applicable to the bench grinder?
A. Oil the surface of the machine.
B. Remove all guards when grinding.
C. Wear safe... show full transcript
Worked Solution & Example Answer:Which ONE of the following safety precautions is applicable to the bench grinder?
A - 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 precaution is essential for protecting the eyes from metal shavings and sparks 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 emphasizes the responsibility of employers to maintain 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 initial assessment is critical to determine the extent of the injuries and the necessary treatment.
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 ensures that the steel is treated evenly, preventing weak spots that can lead to structural failure.
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 used to harden the surface of gears while maintaining a softer, tougher core.
Step 6
What are the terms quenching rate and hardening rate?
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Answer
The quenching rate refers to the speed at which a metal is cooled from a high temperature to room temperature, while the hardening rate indicates the effectiveness of this process in achieving desired strength and durability in the material.
