Which of the following conditions represents a particular advantage of using a positive pressure type self- contained breathing apparatus in an atmosphere that is immediately dangerous to life or health?
A
The positive pressure in the facepiece prevents contaminated air from entering the facepiece.
B
The average operating time for most air cylinders is over an hour.
C
The equipment used is lightweight and easy to wear by reducing physical strain on the wearer.
D
The equipment is compact and the wearer can work in confined spaces without difficulty.
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Question 1 / 205eccef9ebacbc34ba4d464d7
Question 1 of 205eccef9ebacbc34ba4d464d7
Which of the following conditions represents a particular advantage of using a positive pressure type self- contained breathing apparatus in an atmosphere that is immediately dangerous to life or health?
Which of the following conditions represents a particular advantage of using a positive pressure type self- contained breathing apparatus in an atmosphere that is immediately dangerous to life or health?