Renewable Energy Mock Test 3

10%

Question 1 of 10

1. What is zenith angle?

Angle between projection of sun’s rays on horizontal surface and equatorial plane

Angle between the line joining the location on earth’s surface and the equatorial plane

Angle between sun and vertical

Angle between extended sun’s rays to earth’s center and equatorial plane

Question 1 of 10

Question 2 of 10

2. How does the solar noon vary with every 15 degrees of longitude west of a given longitude?

Solar noon occurs one hour later with every 15 degrees of longitude west of a given longitude

Solar noon occurs half hour later with every 15 degrees of longitude west of a given longitude

Solar noon occurs one hour earlier with every 15 degrees of longitude east of a given longitude

Question 2 of 10

Question 3 of 10

3. The inclination of earth’s axis also contributes towards variation in solar time.

True

False

Question 3 of 10

Question 4 of 10

4. What technologies are used in pyranometers?

Doping and routing technology

Silicon semiconductor technology and thermopile technology

Silicon semiconductor technology and routing technology

Thermopile technology and doping

Question 4 of 10

Question 5 of 10

5. __________ is a physical device that can be correlated to the number of photons detected.

LEDs

Photodiode

CFLs

CFCs

Question 5 of 10

Question 6 of 10

6. When does the vernal equinox occur?

September

March

December

January

Question 6 of 10

Question 7 of 10

7. Which of the following categories does a pyranometer belong to?

Voltmeters

Amplifiers

Actinometers

Hall sensors

Question 7 of 10

Question 8 of 10

8. Which of the following best describes the motion of sun from autumnal equinox to winter solstice?

Earth first escalates above the plane and then transcends below the plane of sun

Earth’s center lies on the plane of the sun

Earth is above the plane of the sun

Earth is below the plane of the sun

Question 8 of 10

Question 9 of 10

9. Which of the following is not used to calculate hourly radiation?

Hour angle

Solar constant

Material of parabolic dish

Sun’s declination angle

Question 9 of 10

Question 10 of 10

10. How is latitude of a location on earth defined?

Angle subtended by sun on earth

Angle between sun’s rays extended to earth’s center and earth’s equatorial plane

Angle between line joining the location to earth’s center and earth’s equatorial plane

Angle between line joining the location to earth’s center and the meridian plane

Question 10 of 10