2.1 All personal and environmental safety rules were followed when an operator used a surface grinder - NSC Mechanical Technology Automotive - 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 Automotive - 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 clean the machine while it is in motion.
Always stop the machine before taking measurements or adjusting the machine or workpiece.
Step 2
Give TWO examples of personal protective equipment that should be used while arc welding.
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Answer
Welding helmet.
Gloves.
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 not worn and are securely fastened.
Always keep an eye on the position of the puller during the operation.
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
The area around the tester must be cordoned off.
Wear protective clothing and safety goggles.
Ensure the specimen is properly positioned and does not exceed the prescribed load.
