2.1 All personal and environmental safety rules were followed when an operator used a surface grinder - NSC Mechanical Technology Welding and Metalwork - Question 2 - 2016 - Paper 1
Question 2
2.1 All personal and environmental safety rules were followed when an operator used a surface grinder. State TWO safety rules that should be followed while the surfa... show full transcript
Worked Solution & Example Answer:2.1 All personal and environmental safety rules were followed when an operator used a surface grinder - NSC Mechanical Technology Welding and Metalwork - Question 2 - 2016 - Paper 1
Step 1
State TWO safety rules that should be followed while the surface grinder is in operation.
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Answer
Do not force the work piece into the wheel; allow it to cut naturally.
Always keep the machine clean and free of coolant spills to prevent slipping.
Step 2
Give TWO examples of personal protective equipment that should be used while arc welding.
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Answer
Welding helmet to protect the face and eyes from sparks and UV light.
Gloves to protect the hands from heat and molten materials.
Step 3
State TWO safety rules to be taken into account before applying force to a bearing puller.
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Answer
Ensure that the legs of the puller are securely attached and not worn.
Always keep an eye on the puller when tightening to avoid damaging components.
Step 4
What is the maximum safe distance between the grinding wheel and the tool rest on a bench grinder?
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Answer
The maximum safe distance is 3 mm.
Step 5
State THREE safety precautions to be adhered to when a Rockwell hardness tester is used.
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Answer
Ensure the area around the tester is cordoned off to prevent unauthorized access.
Always wear protective clothing to safeguard against accidents.
The specimen must be securely positioned on the machine to ensure accurate testing.
