Photovoltaic

Question 1

Greater solar irradiance means energy accumulates faster, which results in greater solar irradiation.

True or False

Answer 1

True

Question 2

Name the two major types of radiation the ground

Answer 2

1. Direct

2. Diffuse

Question 3

____radiation is radiation that is scattered by the atmosphere and clouds.

Answer 3

Diffuse

Question 4

Air mass depends on…

Answer 4

1. Time of day
2. Time of year
   3 .altitude
3. Latitude

Question 5

____is usually used to rate the solar energy potential of a location by calculating the average energy received per day.

Answer 5

Insolation

Question 6

Direct solar radiation is measured with a ____

Answer 6

Pyreheliometer

Question 7

____time is a timescale based on the apparent motion of the sun crossing a local meridian.

Answer 7

Solar

Question 8

Solar___is the intensity of solar power.

Answer 8

Irradiance

Question 9

Solar____is the total amount of solar energy accumulated on an area over time.

Answer 9

Irradiation

Question 10

____radiation is all of the solar radiation reaching Earth’s surface and is the sum of direct and diffuse radiation.

Answer 10

Total Global

Question 11

____is the point in the sky directly overhead a particular location.

Answer 11

Zenith

Question 12

A____is a sensor that measures the total global solar irradiance in a hemispherical field of view.

Answer 12

Pyranometer

Question 13

A____is Earth’s orbital position when solar declination is at its minimum or maximum.

Answer 13

Solstice

Question 14

The solar\_\_\_angle is the vertical angle between the sun and the horizon. 
A.altitude
B.azimuth
C.declination
D.elevation

Answer 14

A. Altitude

Question 15

___radiation is just outside of Earth’s atmosphere

Answer 15

A. Extraterrestrial

Question 16

Solar\_\_\_is the angle between the equatorial plane and the line joining the centers of the sun and Earth in the ecliptic plane. 
A. Declination
B. Generation time
C. Noon 
D. Time of day

Answer 16

A.declination

Question 17

___is a representation of the relative thickness of atmosphere that solar radiation must travel through to reach Earth’s surface.

Answer 17

Air mass

Question 18

___solar radiation is solar radiation that reaches the surface of earth.

Answer 18

Terrestrial

Question 19

___is the solar irradiation received on a specified surface over a period of time. Typically one day.

Answer 19

Insolation

Question 20

The atmospheric has___plays an important role in blocking harmful ultraviolet radiation from reaching Earth’s surface

Answer 20

Ozone

Question 21

A\_\_\_cell is an encapsulated PV cell that outputs a known amount of electrical current per unit of solar irradiance. 
A. Inverter
B. Module
C.PV array
D. Reference

Answer 21

D. Reference

Question 22

A___is a plane formed by a due- South longitudinal line through a location on earth and projected out into space.

Answer 22

Meridian

Question 23

The solar___is the area of sky between sun paths at summer solstice and winter solstice for a particular location.

Answer 23

Window

Question 24

What are the primary concerns of customers when it comes to PV systems

Answer 24

Cost and funding

Question 25

Most inverters can be installed either indoors or outdoors

True or false

Answer 25

True

Question 26

One or more potential array locations must be identified during a site survey.

True or false

Answer 26

True

Question 27

The ____orientation of a roof is the direction the sloped surface faces .

Answer 27

Azimuth