solar radiation on tilted surface

1. Angle made by plane surface with horizontal is called ________

• a) Slope

• b) Altitude angle

• c) Zenith angle

• d) Hour Angle

2.The angle being measured from a plane and which is equal to angle between the beam of rays and normal to the plane is called __________

• a) Incident angle

• b) Azimuth angle

• c) Hour angle

• d) Declination

3.The angle made by the plane surface with the horizontal is known as

• a) latitude

• b) slope

• c) surface azimuth angle

• d) Declination

4.The ratio of the beam radiation flux falling on a tilted surface to that falling on a horizontal surface is called the

• a) radiation shape factor.

• b) tilt factor

• c) slope

• d) None of the above

5.The angle between the sun’s rays and a line perpendicular to the horizontal plane through angle the beam of the sun and vertical is called __________

• a) Solar Azimuth angle

• b) Zenith angle

• c) Altitude angle

• d) Declination

6.The solar angle in degrees along the horizon east or west of north or it is the horizontal angle measured from north to the horizontal projection of sun’s rays is called ___________

• a) Solar Azimuth angle

• b) Zenith angle

• c) Altitude angle

• d) Declination