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Questions and Answers
What is the primary reason for selecting a dry, ungrounded location for using a portable electric tool or appliance?
What is the primary reason for selecting a dry, ungrounded location for using a portable electric tool or appliance?
- To prevent motor bearings deterioration
- To avoid soiling the equipment
- To avoid serious electric shock (correct)
- To prevent discoloring the electric cord
What should be done before turning on the power to prevent potential hazards with a drill?
What should be done before turning on the power to prevent potential hazards with a drill?
- Disconnect the ground wire
- Remove the drill from the work area
- Ensure the switch is off (correct)
- Check the armature for damage
What is the consequence of leaving the chuck key in the drill when turning on the power?
What is the consequence of leaving the chuck key in the drill when turning on the power?
- The chuck may become unbalanced
- The equipment may get soiled
- The key could be thrown out at high speed (correct)
- The drill may break easily
What action should be taken after turning off the switch on a portable electric drill to ensure safety?
What action should be taken after turning off the switch on a portable electric drill to ensure safety?
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Which of the following is not a recommended practice before using a portable electric drill?
Which of the following is not a recommended practice before using a portable electric drill?
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Study Notes
Safety Guidelines for Portable Electric Tools
- Always choose a dry and non-grounded location when using portable electric tools to prevent serious electric shock.
- Removing the chuck key before powering on a drill prevents the key from being thrown out at high speeds, enhancing safety.
- Checking that the switch is off before plugging in the portable electric drill is crucial to avoid accidental startup and potential injuries.
- When turning off the drill, holding the machine until it stops completely is important for safety and proper operation.
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