Hydraulic vent

Question 1

Hydraulic ventilation uses __ pressure created by fog streams that can be used
for the initial removal of smoke immediately following the knockdown of the fire

Answer 1

negative

Question 2

To perform hydraulic ventilation, simply direct a wide fog pattern out of a window so that
the resulting___ draws out contaminated contents

Answer 2

venturi action

Question 3

Maximum effectiveness is obtained by moving the nozzle in a ___ motion four to ten feet back from a window

Answer 3

clockwise

Question 4

Hydraulic ventilation has the ability to move over ___ cubic feet of air per
minute.

Answer 4

2,000

Question 5

Assess the other ventilation options; in most cases,___ is
more effective and safer.

Answer 5

pressurized ventilation