Natural Ventilation Flashcards

1
Q

2 basic natural forces

A

Buoyancy , wind

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

What is positive wind and negative wind pressures called

A

Positive is Windward
Negative is leeward

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

Three types of natural ventilation openings

A

Windows
Doors
Ridge vents

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

Where should Inlet openings in building be located?

A

Winward as low as possible

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

Where should outlet openings be in building?

A

Leeward side as high as possible

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

Describe R-value

A

The ability to resist heat transfer

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

Insulated ceilings should be divided by 300 true or false

A

True

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

Free ventilation area in crawlspace should be divided by 500 true or false

A

True

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

Which heat pump is most common

A

Air to air

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

What type of heat pumps uses ground or ground water energy?

A

Geothermal

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

What equipment captures heat from exhaust air transfer? And transferred to fresh air in building

A

HRV

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

What constitutes the difference of an HRV/ERV

A

Heat exchanger

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

Name three forms of solar energy

A

Direct radiation
Albedo radiation
Diffused radiation

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

How many types of alternate energy sources are there?

A

Five

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

Two types of solar space heating

A

Positive
Active

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

Name a renewable energy source from living organisms and byproducts

A

Bio energy

17
Q

Name the physical components of a building envelope

A

Foundation
Roof
Walls
Doors

18
Q

Is it recommended to rely on air leakage from ventilation?

A

Not recommended can’t be controlled

19
Q

What is used to separate between interior and exterior environments?

A

Envelope

20
Q

A chemical compound combine with carbon it is vital for human survival

A

Dioxide

21
Q

Type of system that is combined passive and active solar space heating

A

Hybrid

22
Q

Type of radiation that reflects from earth surface

A

Albedo

23
Q

What type of insulation influence by temperature?

A

Stack affect

24
Q

The results of different air this is

A

Buoyancy

25
Q

Type of opening between rafters or trusses at top of wall are

A

Eaves

26
Q

Type of force produced, when there is a vertical distance between the inlet and outlet

A

Motive

27
Q

Type of ventilation system, and we hope to achieve

A

Balanced

28
Q

Type of system that’s more energy efficient what requires more maintenance?

A

ERV

29
Q

Energy produced by the sun

A

Radiant

30
Q

What is important in the buildings between the rooms?

A

Airflow

31
Q

Outside air enters house is called what

A

Infiltration

32
Q

Maintaining comfort and health or two main reasons for providing ventilation, true or false

A

True

33
Q

The technique used to complete air flow through a building

A

Louvres