Ch. 13 Ventilation

Question 1

When ventilating a window, where should the ladder be placed?

Answer 1

upwind side of the window

Question 2

What is caused by temperature differences inside and outside of a building?

Answer 2

stack effect

Question 3

What is a disadvantage of using a positive-pressure fan?

Answer 3

can spread fire if used improperly

Question 4

What are three ways to force ventilation?

Answer 4

blowers/fans/fog streams

Question 5

When a window is opened for ventilations should the screens be removed?

Answer 5

yes

Question 6

What tool is best for sounding a roof during ventilation?

Answer 6

pick-head ax

Question 7

What is the phenomenon of smoke hanging low to the ground on a cool, damp day?

Answer 7

smoke inversion

Question 8

what is the most common form of roof cut?

Answer 8

rectangular

Question 9

what type of roof cut is used to make a large opening for commercial buildings?

Answer 9

7-9-8 cut

Question 10

What type of roof cut is best suited for sloping plywood roofs?

Answer 10

louver cut

Question 11

What type of cut works best with metal?

Answer 11

triangular

Question 12

What is the most common vertical ventilation opening?

Answer 12

4x4

Question 13

What is the preferred method to ventilate a large building?

Answer 13

small compartments one at a time

Question 14

when making louver cuts, what is used as a fulcrum for the openings?

Answer 14

roof supports