1.1 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
1.1 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 ... show full transcript
Worked Solution & Example Answer:1.1 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. Wearing safety goggles when grinding is crucial for protecting the eyes from debris and sparks that can occur while using a bench grinder.
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. The act emphasizes that all employers must ensure that the workplace is safe and that employees are not at risk of contracting HIV.
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. Examining the injured person is the first step in providing effective basic medical 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 important to ensure consistency in the heat treatment process and to prevent structural weaknesses in the steel.
Step 5
Which ONE of the following is an example of case-hardening?
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Answer
The correct answer is B. Gears are commonly subjected to case-hardening processes to enhance their durability and resistance to wear.
Step 6
What are the terms quenching rate, heating rate, and hardening rate?
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Answer
Quenching rate refers to the speed at which a heated material is cooled to achieve hardening. Heating rate is the speed at which temperature is increased during the heating process. Hardening rate indicates how quickly a material gains hardness after being subjected to heat treatment.
