PDX_08_Natural And Artificial Lighting

Question 0

Albedo

Answer 0

Reflection coefficient. Zero is black, 100 is white.

Question 1

Sun chart is in relation to a particular

Answer 1

Latitude

Question 2

Overcast skies are best for

Answer 2

Daylighting

Question 3

The greatest deviation between true and magnetic north is

Answer 3

50°

Question 4

North facing glass is the best for

Answer 4

Daylighting

Question 5

To calculate daylighting, measuring from floor to top of window, light will extend into the building

Answer 5

2.5x

Question 6

Stereo graphics sun chart:

First locate intersection of

Answer 6

Date and time line.

Draw a line from the center through the intersecting point to the end of the diagram. This shows azimuth.

Circle center shows altitude.

Question 7

Reading a Cartesian sun chart:

Azimuth plotted on this axis, altitude on other.

Answer 7

Azimuth is plotted on horizontal axis,

Altitude is plotted vertically.

Question 8

Azimuth is noted in degrees from

Answer 8

Due north, in a clockwise direction.