Wise Web

This activity will assess your knowledge of general classroom /
laboratory safety.

• 1) If you do not know whether a circuit is on or off, what should you
  do next?
  

  Measure with a voltmeter
  Measure with an ohmmeter
  Check the circuit with a continuity tester
  Lick your fingers and check the wires
• 2) If a tool does not seem to be working correctly, you should:
  

  Continue to use the tool
  Label the tool that is broken and inform the instructor
  Give the tool to someone else to use
  Put the tool back in the tool box and quit for the day
• 3) If you have not been given instruction on a tool or piece of
  equipment in the laboratory, you should
  
  

  Obtain instruction from the teacher on how to use the piece of equipment.
  Read the equipment instructions.
  Ask the instructor for clarification.
  All of the above
• 4) Wearing jewelry while working with electrical circuits may
  
  

  Accidentally cause a short across components.
  Create connections with circuits that you did not know how to connect.
  Accidentally catch on moving parts or wires that may be pulled from the work.
  Both A and C
• 5) Before checking any electrical circuit, you should
  
  

  Disconnect the power to the circuit.
  Ask a partner stand guard over the power disconnect so that no one else reconnects the circuit.
  Test the circuit with a meter to make sure that no current is flowing.
  All of the above
• 6) What is the maximum current level that a human body can withstand
  before sustaining injury?
  
  

  100 uA
  1.0 mA
  15 mA
  50 mA
• 7) Which of the following should be used to extinguish an electrical
  fire?
  
  

  Water
  Class A fire extinguisher
  Class B fire extinguisher
  Class C fire extinguisher
• 8) Material Safety Data Sheets will indicate
  
  

  What the material is made of.
  The first aid procedure that you should follow.
  How to handle the material.
  All of the above
• 9) Which of the following is true?
  

  Safety glasses or goggles should be worn to prevent eye injuries from chemicals that splash.
  Safety glasses or goggles should be worn when using tools that may cause objects to be thrown.
  Safety glasses or goggles should be used when soldering components.
  All of the above
• 10) Taking your time while working will prevent accidents by
  

  Allowing you to double check your connections.
  Allowing you to make your circuits more neatly.
  Allowing you to double check all part numbers and values.
  All of the above
• 11) Which of the following is not a piece of clothing that you should
  wear in an electronics laboratory?
  

  Rubber-soled shoes
  Tight clothing with rolled up sleeves
  Poncho style sweater
  Safety glasses
• 12) The purpose of the grounding pin on a plug is to
  

  Send stray currents to the ground
  Annoy you when you are working in a house with no ground pinhole in the outlet.
  There is no purpose; cut off the pin
  All of the above
• 13) When working with electrical circuits and a liquid spill occurs, you
  should first
  

  Run like a mad person.
  Turn off the power
  Continue working; there is no danger.
  Go to the hardware store and buy a flashlight.
• 14) When a power cord is broken or frayed,
  

  Continue to use the cord.
  Label the broken section, “Do Not Use”, and notify the instructor.
  Pour water on the damaged section to see if it produces a shock.
  All of the above
• 15) All accidents should be brought to the attention of the instructor
  so that
  

  The teacher can document the injury for insurance purposes
  The teacher can administer first aid or send the student to the school nurse.
  Improvements can be made to avoid future injuries.
  All of the above
• 16) Keeping the laboratory clean and neat
  

  Allows others to easily locate materials.
  Minimizes injuries caused by unknown obstacles.
  A and B are not important issues.
  Both A and B are both important issues.
• 17) Which of the following is allowable behavior in the engineering
  laboratory?
  

  Setting up failing circuits as practical jokes.
  Running races around the classroom.
  Carefully building and documenting all circuits.
  Leaving work out overnight in a space that someone else will use.
• 18) If in doubt, ask the instructor.
  True   False