WorksheetsSOLAR MOD. 2 - #2: SOLAR RADIATION
Total questions: 10
Worksheet time: 5mins
Solar radiation power measured in watts-per-m2 or power-per-unit area is called…
insolation
irradiance
PV effect
irradiation
The amount of solar radiation striking the earth at a particular time & place is called…
insolation
irradiance
irrelevant
PV effect
Crystalline silicon solar panels primarily use this portion of the radiation spectrum…
UV
infrared
visible
gamma rays
The equivalent measure of total insolation in a day is referred to as…
aphelion
irradiance
peak sun hours
irradiation
While solar panels respond somewhat to reflected solar radiation, they mainly respond to…
direct & diffuse radiation
direct & albedo radiation
diffuse & albedo radiation
infrared and UV
When the sun altitude reaches 90°, air mass is AM______.
90°
180°
1.0
1.5
If the altitude of the sun is 0° then the sun is
either just _____________ or ____________.
rising or setting
1000W or zero watts
diffused or direct
This can never happen
The instrument that measures direct irradiance &
is used by concentrated PV to track the sun is a…
pyranometer
ampclamp
reference cell
pyrrheliometer
Solar declination during the spring and fall
equinoxes is ______ degrees.
0°
90°
+23.5°
-23.5°
The tilt angle of an array should be at _____________
unless more power is needed in the summer months. In that case, the tilt angle would be
_________________.
latitude, latitude - 15°
latitude, latitude + 15°
longitude, longitude - 15°
roof pitch, roof pitch + 15°
