Exam 1

Question 1

Micro ________
Macro _______
Messo_______

Answer 1

Animal/metabolism
Natural/terrestrial
Architecture

Question 2

Seasons change due to

Answer 2

Earth tilted axis

Question 3

Summer solstice date

Answer 3

June 21

Question 4

Winter solstice

Answer 4

December 21

Question 5

Solar noon

Answer 5

Exactly half way between sunset and sunrise

Question 6

True south

Answer 6

Shadows of verticals objects runs true north-south at solar noon

Question 7

Lowest sun altitude in the summer

Answer 7

60*

Question 8

Which axis is preferable in terms of sun shading

Answer 8

North-south

Question 9

Coriolanus effect

Answer 9

Uneven heating on the earth causes swirling currents

Question 10

Northern hemisphere swirls:

Answer 10

Left

Question 11

Southern Hemisphere swirls:

Answer 11

Right

Question 12

Passive design

Answer 12

Using as little energy as possible to achieve thermal comfort and health

Question 13

Shading coefficient (SC)

Answer 13

Measure of heat gain through glass

Question 14

Lower SC=

Answer 14

Less heat gain= more radiation resistant

Question 15

Heats flows _____ buildings in the summer

Answer 15

To

Question 16

Heat flows _______ buildings in the winter

Answer 16

Away from

Question 17

Sensible heat

Answer 17

Due to change in temperature

Question 18

Latent heat

Answer 18

Due to change in moisture

Question 19

Psychometry

Answer 19

Study of thermodynamic properties of wet air

Question 20

Enthalpy

Answer 20

Measure of heat in the air

Question 21

Rules of water vapor

Answer 21

1. Keep humid air away from cool surfaces

2. Keep surfaces warm when they’re in contact with humid air

Question 22

Primary factors of human comfort

Answer 22

Metabolic state
Air temperature 
Mean radiant temperature 
Air motion
Humidity
Acclimation
Clothing

Question 23

Metabolism

Answer 23

Human process of generating heat

Question 24

clo

Answer 24

Measure of insulation clothing

Question 25

Benefit of fans/moving air

Answer 25

Increases convective and evaporative heat loss

Question 26

Heat flow is measured in:

Answer 26

btu/h OR Watts

Question 27

5 elements of passive solar design

Answer 27

``` Aperture/window Absorber Thermal mass Distribution Control ```

Question 28

Direct gain

Answer 28

Space is directly heated by sunlight

Question 29

Short waves

Answer 29

Sunlight that directly heats the space

Question 30

Long wave

Answer 30

Heat remitted as Infrared

Question 31

______waves can not penetrate glass

Answer 31

Longwaves

Question 32

Purpose of building cavities

Answer 32

Allows convection to occur in the cavity air rather than the occupied space

Question 33

U-Value

Answer 33

Reciprocal of sum of R-values

Question 34

R-value

Answer 34

Measured resistance of each material

Question 35

Lower U-value =

Answer 35

Slower heat transmits= better insulation = less energy use