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 surface grinder is in operation. Give TWO examples of personal protective equipment that should be used while arc welding. State TWO safety rules to be taken into account before applying force to a bearing puller. What is the maximum safe distance between the grinding wheel and the tool rest on a bench grinder? State THREE safety precautions to be adhered to when a Rockwell hardness tester is used.

NSC Mechanical Technology Welding and Metalwork Machine-specific safety measures: All personal and environmental s

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

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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 surface g... show full transcript

Worked Solution & Example Answer: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. This ensures that the material is ground properly without putting excessive stress on the machine.
Always keep all tools clear of the worktable to prevent accidents and ensure a safe working environment.

Step 2

Give TWO examples of personal protective equipment that should be used while arc welding.

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Answer

Welding helmet: Protects the eyes and face from harmful rays and hot sparks during the welding process.
Gloves: Protects the hands from heat, sparks, and potential cuts.

Step 3

State TWO safety rules to be taken into account before applying force to a bearing puller.

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Answer

Always keep an eye on the puller when tightening so that other components are not damaged in the process.
Ensure that the legs of the puller are well secured to prevent any unexpected movement.

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, to ensure that work pieces do not get caught and cause accidents.

Step 5

State THREE safety precautions to be adhered to when a Rockwell hardness tester is used.

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Answer

The area around the tester should be cordoned off to prevent unauthorized access while in use.
Wear protective clothing such as goggles and gloves to ensure safety from potential hazards.
The specimen must be safely positioned to avoid any accidents or inaccurate readings.

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

Worked Solution & Example Answer: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

State TWO safety rules that should be followed while the surface grinder is in operation.

Give TWO examples of personal protective equipment that should be used while arc welding.

State TWO safety rules to be taken into account before applying force to a bearing puller.

What is the maximum safe distance between the grinding wheel and the tool rest on a bench grinder?

State THREE safety precautions to be adhered to when a Rockwell hardness tester is used.

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