May'19 - Safety Online Quiz

Acceptable oxygen levels for confined space entry are 16.5% to 18.5%.

An attendant may leave the area of the confined entry for brief periods

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

What does the acronym IDLH stand for with respect to confined spaces?

Which of the following is included but not limited to confined spaces?

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

WORK PERMIT FOR CONFINED SPACE WORK SR is

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

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

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