Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Truck Company Operations Mittendorph > Ventilation Chapter 14 > Flashcards

Ventilation Chapter 14 Flashcards

1
Q

Why is ppv more popular?

A

Effectiveness and firefighter safety

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Compared with negative pressure ventilation, ppv is approx ____ as effective at removing contaminates?

A

Twice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which is more effective, series or parallel ppv?

A

Series

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Of two blowers of unequal size are used in series, place _____ one about ___ft back from entrance?

A

Larger one

2 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does smell of exhaust indicate?

A

Exhaust hole is not large enough.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Removing screens will improve ventilation on windows by ?

A

50%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Ppv is ineffective in winds about ?

A

25 mph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

In multiple story start?

A

Lowest level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ppv is ineffective for distances over ____ft?

A

1,000ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Drafts in ioen stair cases from exterior to roof can have up to?

A

3-6mph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Cross ventilation are ineffective at ?

A

25 floors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How much co will ppv fan introduce into structure?

A

130-220ppm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Key to ppv in ballon frame?

A

Opening exhaust first as not to spread fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Open windows on the ____ side first?

A

Leeward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

4 basic types of openings used for ventilation?

A

Natural openings
Natural construction openings
Heat openings
Direction openings.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Hear openings are considered _____ ventilation

A

Offensive

17
Q

Direction are ____ ventilation

A

Defensive

18
Q

Too priority in any ventilation?

A

Improving interior environment.

19
Q

Small opening to see wether smoke or fire are below you?

A

Kerf cut

20
Q

Small triangular hole?

A

Plug

21
Q

Junction of a roof and a wall by roofing materials

A

Cricket

22
Q

Rotating ventilators are ___ more effective than if it was taken off?

A

30%

23
Q

4 major types of exterior styles that use panelized roofs are?

A

Exterior pilaster

Frame stucco and masonry

Concrete tilt up

24
Q

Banked elevators may safely be used if they terminate at least ___?

A

5 floors below fire floor

Truck Company Operations Mittendorph (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions