Lab Safety Fall 2014

14 Questions | Total Attempts: 494

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Lab Safety Fall 2014

This quiz is to make sure that you have enough knowledge in protecting yourself and others from injury in the laboratory.


Questions and Answers
  • 1. 
    Have you read the safety information presented to you and do you have a reasonable understanding of the rules and best practices that you should abide by in the lab environment?
    • A. 

      Yes!

    • B. 

      No

  • 2. 
    (Multiple Response; 1point) Which of the following would not be appropriate in responding to an emergency?
    • A. 

      Remain calm and call 911.

    • B. 

      Report the incident to the lab instructor.

    • C. 

      Run screaming from the building and declare martial law.

    • D. 

      Turn off all power to the device involved in the incident.

    • E. 

      Use water to put out any electrical fires.

  • 3. 
    (Multiple Response; 1point) According to the handout, which of the following are listed as having a direct impact on the severity of an electric shock?  
    • A. 

      The frequency of the current flowing through the body.

    • B. 

      The magnitude of the voltage applied across the body.

    • C. 

      The magnitude of the current flowing through the body.

    • D. 

      The amount of time the current is flowing through the body.

  • 4. 
    (Multiple Choice; 1point) Which one of the following devices is the best circuit protection device to prevent current from traveling from the device, through a person, and then to ground (such that the current coming from the device will be much greater than the current returning to the device)?
    • A. 

      A fuse

    • B. 

      A circuit breaker

    • C. 

      A GFCI

    • D. 

      A hard hat

  • 5. 
    (Multiple Choice; 1point) Who is most responsible for the your safety?  
    • A. 

      You

    • B. 

      The Graduate Assistant

    • C. 

      Your Class Instructor

    • D. 

      The President of the University

  • 6. 
    When unsure about a particular lab assignment, one should use trial and error with the equipment until they figure it out.
    • A. 

      TRUE

    • B. 

      FALSE

  • 7. 
    What should be done if someone 'freezes' to a live electrical contact?
    • A. 

      Shut down the power to the electrical contact.

    • B. 

      Hit the person with a piece of lumber to remove them from the contact.

    • C. 

      Grab the person and pull them away from the contact.

    • D. 

      Act quickly, but throughfully.

    • E. 

      Always keep in mind your own safety.

  • 8. 
    If someone has a serious injury or an illness that constitutes a medical emergency, one shoud ________ .
    • A. 

      immediately move the individual to a location more accessible to paramedics.

    • B. 

      Check to see if the individual is breathing.

    • C. 

      Control the bleeding of the individual.

    • D. 

      remain calm and call 911.

  • 9. 
    Which of the following accurately describes grounding?
    • A. 

      Is the intentional creation of a low resistance path to earth.

    • B. 

      Prevents build-up of voltages to prevent electrical accidents.

    • C. 

      Stops the flow of current if the current levels get to high.

    • D. 

      Interrupts the flow of electricity if the current entering a machine exceeds the current leaving the machine.

  • 10. 
    Which of the following should you avoid when working in the lab?
    • A. 

      Wearing open-toed shoes or sandals

    • B. 

      Wearing jewelry

    • C. 

      Tying back long hair

    • D. 

      Smoking

  • 11. 
    Which of the following provides the most electrical insulation? (Assume each is the same size)
    • A. 

      A piece of glass

    • B. 

      A damp piece of wood

    • C. 

      The sub-surface of the earth

    • D. 

      A copper wire