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2.1 State the reason why oil and grease should never be used on or near the regulator of oxy-acetylene equipment - NSC Mechanical Technology Automotive - Question 2 - 2017 - Paper 1
Question 2
2.1 State the reason why oil and grease should never be used on or near the regulator of oxy-acetylene equipment. 2.2 Name THREE safety precautions when handling or... show full transcript
Worked Solution & Example Answer:2.1 State the reason why oil and grease should never be used on or near the regulator of oxy-acetylene equipment - NSC Mechanical Technology Automotive - Question 2 - 2017 - Paper 1
Step 1
State the reason why oil and grease should never be used on or near the regulator of oxy-acetylene equipment.
Answer
Oil and grease are flammable substances that pose a significant fire and explosion risk when used around oxy-acetylene equipment. The high pressure and heat generated during welding can ignite these substances, leading to uncontrolled fires or explosions.
Step 2
Name THREE safety precautions when handling or using the gas cylinders.
Answer
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Always secure gas cylinders in an upright position to prevent tipping.
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Store gas cylinders in a well-ventilated area away from heat sources and direct sunlight.
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Use appropriate protective gear, such as gloves and goggles, when handling gas cylinders.
Step 3
Step 4
Which safety precautions should be observed when working on the following parts of a lathe:
Answer
2.4.1 Tailstock: Ensure the tailstock is properly secured and check for any loose components before operation.
2.4.2 Machine guard: Make sure the guard is well secured before switching on the machine, and ensure it is in good condition.
2.4.3 Chuck: Keep hands away from rotating chuck, don’t leave the chuck key in the chuck, and turn the chuck by hand to ensure there is no danger of the workpiece striking any part of the lathe.