May'19 - Safety Online Quiz

10 Questions | Attempts: 259
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May19 - Safety Online Quiz - Quiz


Questions and Answers
  • 1. 
    Acceptable oxygen levels for confined space entry are 16.5% to 18.5%.
    • A. 

      False

    • B. 

      True

  • 2. 
    An attendant may leave the area of the confined entry for brief periods
    • A. 

      False

    • B. 

      True

  • 3. 
    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. 

      7 percent

    • D. 

      2.5 percent

  • 4. 
    What does the acronym IDLH stand for with respect to confined spaces?
    • A. 

      Immediately Dangerous to Life or Health

    • B. 

      Instant Death Lurks Here

    • C. 

      Integrated and Differentiated Level of Hazards

    • D. 

      Inflammability Detection Level Hazard

  • 5. 
    Which of the following is included but not limited to confined spaces?
    • A. 

      Vessels

    • B. 

      Tanks

    • C. 

      Vaults

    • D. 

      Trenches

  • 6. 
    Entering a permit space can prove fatal for an employee when the oxygen level is below 19.5
    • A. 

      TRUE

    • B. 

      FALSE

  • 7. 
    WORK PERMIT FOR CONFINED SPACE WORK SR is
    • A. 

      [SR][SMS][020204]

    • B. 

      [SR][SMS][020203]

    • C. 

      [SR][SMS][020201]

    • D. 

      [SR][SMS][020202]

  • 8. 
    Definition of Confined Space is – Any person required / allowed to enter any chamber, tank, vat, pit, pipe, flue or any other confined space in which hazard of any gas, fume, vapour or dust is likely to be present / anticipated as to involve risk of inhalation by the concerned person, which may lead to intoxication / suffocation / fainting / injury / death
    • A. 

      True

    • B. 

      False

  • 9. 
    The man-hole dimensions meeting the statutory requirements: (a) (i) For rectangular or oval shape, minimum size required is shoulder width + 8 cm in length & 30 cm wide (ii) For circular shape, minimum size required is shoulder width + 8 cm in dia (B) (b) (i) For oval shape, minimum size required is 40.6 cm in length & 30.5 cm wide (ii) For circular shape, minimum size required is 40.6 cm
    • A. 

      True

    • B. 

      False

  • 10. 
    The portable hand lamp flame proof and having 24 volts supply is allowed inside the confined space
    • A. 

      True

    • B. 

      False

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