How Much Do You Really Know About Confined Spaces?

12 Questions

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Space Quizzes & Trivia

Confined spaces refer to that space which can be below or above ground. It can be found in any workplace or factories which includes utility vaults, tanks, water supply towers, sewers, aircraft wings, manholes, pump stations etc. This quiz has been created to test your knowledge about the hazards, risk factors, safety and principles of confined spaces. So, let's try out the quiz. All the best!


Questions and Answers
  • 1. 
          Standards used in Confined Space Rescue (CSR) include
    • A. 

      OSHA 29 CFR 1910.146

    • B. 

      AFOSH 91-25

    • C. 

      NFPA 1500

    • D. 

      All of the above

  • 2. 
          Standards define a confined space as
    • A. 

      Space that is large enough and configured so that a worker can bodily enter and performed assigned work

    • B. 

      Has limited or restricted access for entry and exit

    • C. 

      Is not designed for continuous human occupancy

    • D. 

      All of the above

  • 3. 
          Two different types of confined space are
    • A. 

      Inside & outside

    • B. 

      Permit required & Non-permit required

    • C. 

      Regulated & Non-regulated

    • D. 

      Land permit required & Maritime permit required

  • 4. 
         Hazards in a confined space can be classified two ways
    • A. 

      General & site specific

    • B. 

      Permit required & Non-permit required

    • C. 

      General & permit required

    • D. 

      Regulated & non-regulated

  • 5. 
          A space is considered hazardous if the flammability reading is
    • A. 

      Less than 5% of the LEL

    • B. 

      Greater than 7% of the LEL

    • C. 

      Greater than 10% LEL

    • D. 

      All of the above

  • 6. 
          Toxic substances are defined as
    • A. 

      Being found in all confined space atmosphere

    • B. 

      Only found in maritime applications

    • C. 

      Have an oxygen level of less than 19.5%

    • D. 

      An atmosphere concentration of any chemical substance over the occupational exposure limit, which is capable of causing death, incapacitation, impairment of ability to self-rescue, injury, or acute illness due to its health effect

  • 7. 
         Firefighting Strategies &  Tactics include
    • A. 

      Placement of apparatus

    • B. 

      Use of attack and support hoselines

    • C. 

      Rescue operations

    • D. 

      All of the above

  • 8. 
          Incident Commanders must perform a risk analysis to determine
    • A. 

      What hazards are present

    • B. 

      What are the risks to personnel

    • C. 

      What benefits are going to be gained by the strategy employed

    • D. 

      All of the above

  • 9. 
          By incorporating risk management into incident management system, basis of emergency incident risk management is built on
    • A. 

      Letting the incident run it’s course

    • B. 

      Routine evaluations & modifications

    • C. 

      Exotic and un-tried plans

    • D. 

      None of the above

  • 10. 
    • A. 

       Instant Death Lurks Here

    • B. 

      Immediately Dangerous to Life or Health

    • C. 

      Integrated and Differentiated Level of Hazards

    • D. 

      Inflammability Detection Level Hazard

  • 11. 
    Atmospheres that contain a flammable component above what percent of its Lower Explosive Limit (LEL) are considered hazardous for confined space entry?
    • A. 

      10 percent

    • B. 

      7.5 percent

    • C. 

      5 percent

    • D. 

      2.5 percent

  • 12. 
    In an emergency, in the absence of a trained rescue team, an attendant must:
    • A. 

      Enter the permit space and try to save the entrant

    • B. 

      Attempt a non-entry rescue

    • C. 

      Pray and hope that the entrant survives

    • D. 

      None of the above