Advance Diploma in Solar Energy Technician

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Online Examination Detail:

Duration- 120 minutes.

Number of Questions- 60. (Multiple Choice Questions).

10 Questions from each module, each carry 10 marks.

Maximum Marks- 600, Passing Marks- 40%.

There is no negative marking.

Candidate Details

NameEmailPhone Number

1 / 60

1. What is the typical lifespan of a modern solar panel?

A. 5-10 years

B. 10-15 years

C. 15-25 years

D. 25-40 years

2 / 60

2. Which of the following type of collector is used for low temperature systems?

A. Flat plate collector

B. Line focussing parabolic collector

C. Paraboloid dish collector

D. All of the above

3 / 60

3. What is the purpose of a mounting system in solar panel installation?

A. To store excess energy

B. To convert DC to AC

C. To secure the solar panels to the roof or ground

D. To regulate the voltage

4 / 60

4. The extraterrestrial radiation flux varies by ____ % over a year.

A. ± 1.1

B. ± 2.2

C. ± 3.3

D. ± 4.4

5 / 60

5. HHW stands for ____________

A. High and Low water

B. High Level Waste

C. Heated Low Level water

D. High and Low Waste

6 / 60

6. The zenith angle is the angle made by the sun’s rays with the to a __ surface.

A. normal, horizontal

B. tangent, horizontal

C. normal, vertical

D. tangent, vertical

7 / 60

7. What is the typical efficiency range of commercial solar panels?

A. 5-10%

B. 10-15%

C. 15-20%

D. 20-25%

8 / 60

8. A liquid flat plate collector is usually held tilted in a fixed position, facing _____ if located in the northern hemisphere.

A. North

B. South

C. East

D. West

9 / 60

9. The value of Solar Constant is

A. 1347 W/m2

B. 1357 W/m2

C. 1367 W/m2

D. 1377 W/m2

10 / 60

10. Which component in a solar power system converts DC to AC?

A. Solar Panel

B. Inverter

C. Battery

D. Charge Controller

11 / 60

11. Direct Solar energy is used for

A. Water heating

B. Distillation

C. Drying

D. All of the above

12 / 60

12. What is the advantage of bifacial solar panels?

A. They capture sunlight from both sides, increasing efficiency

B. They are cheaper to manufacture

C. They have a shorter lifespan

D. They are less efficient in low light

13 / 60

13. The collection efficiency of Flat plate collector can be improved by

A. putting a selective coating on the plate

B. evacuating the space above the absorber plate

C. both (A) and (B)

D. None of the above

14 / 60

14. What type of current do solar panels produce?

A. Alternating Current (AC)

B. Direct Current (DC)

C. Pulsating Current

D. Static Current

15 / 60

15. Absorption of Solar radiations at earth’s surface occur due to presence of

A. Ozone

B. Water vapours

C. Carbon di-oxide

D. All of the above

16 / 60

16. What does the acronym “MPPT” stand for in solar energy systems?

A. Maximum Power Point Tracking

B. Minimum Power Point Tracking

C. Maximum Potential Power Transfer

D. Minimum Potential Power Transfer

17 / 60

17. What is the purpose of using a “bypass diode” in a solar panel?

A. To increase the voltage output

B. To prevent shading from affecting the entire panel

C. To improve the panel’s aesthetic appearance

D. To regulate the current output

18 / 60

18. The following is indirect method of Solar energy utilization

A. Wind energy

B. Biomass energy

C. Wave energy

D. All of the above

19 / 60

19. What does the term "solar irradiance" refer to?

A. The amount of sunlight reflected by the surface

B. The amount of sunlight absorbed by the panels

C. The power per unit area received from the Sun

D. The efficiency of the solar cells

20 / 60

20. The complement of zenith angle is

A. Solar altitude angle

B. Surface azimuth angle

C. Solar azimuth angle

D. Slope

21 / 60

21. 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

22 / 60

22. Maximum efficiency is obtained in

A. Flat plate collector

B. Evacuated tube collector

C. Line focussing collector

D. Paraboloid dish collector

23 / 60

23. How does shading affect a solar panel system?

A. It has no effect on performance

B. It can significantly reduce energy output

C. It increases energy efficiency

D. It prevents overheating

24 / 60

24. The hour angle is equivalent to

A. 10° per hour

B. 15° per hour

C. 20° per hour

D. 25° per hour

25 / 60

25. The efficiency of various types of collectors with _ temperature.

A. increases, decreasing

B. decreases, increasing

C. remains same, increasing

D. depends upon type of collector

26 / 60

26. Global radiation =

A. Direct radiation – Diffuse Radiation

B. Direct radiation + Diffuse Radiation

C. Direct radiation / Diffuse Radiation

D. Diffuse Radiation / Direct radiation

27 / 60

27. What is the role of an “optimum tilt angle” in solar panel performance?

A. It maximizes the panel's exposure to sunlight throughout the year

B. It enhances the aesthetic appeal of the installation

C. It protects the panels from wind damage

D. It simplifies the installation process

28 / 60

28. In a grid-tied solar system, what happens when the grid goes down?

A. The solar system continues to operate independently

B. The solar system shuts down for safety reasons

C. The system automatically switches to battery power

D. The panels stop generating electricity

29 / 60

29. Which of the following is NOT a common component of a solar power system?

A. Solar Panels

B. Inverter

C. Wind Turbine

D. Charge Controller

30 / 60

30. The following is (are) laws of black body radiation.

A. Plank’s law

B. Stefan-Boltzmann law

C. both (A) and (B)

D. None of the above

31 / 60

31. Solar radiation flux is usually measured with the help of a

A. Anemometer

B. Pyranometer

C. Sunshine recorder

D. All of the above

32 / 60

32. The following type of energy is stored as latent heat

A. Thermal energy

B. Chemical energy

C. Electrical energy

D. Mechanical energy

33 / 60

33. What is the main purpose of a solar battery in a solar energy system?

A. To convert sunlight into electricity

B. To store electrical energy for use when the sun is not shining

C. To protect the system from electrical surges

D. To regulate the temperature of the system

34 / 60

34. In the paraboloid dish concept, the concentrator tracks the sun by rotating about

A. One axes

B. Two axes

C. Three axes

D. None of the above

35 / 60

35. What is unit of nuclear radiation?

A. Reaumur

B. Roentgen

C. Rankine

D. Pascal

36 / 60

36. What is the primary function of a junction box in a solar panel?

A. To convert energy from DC to AC

B. To house electrical connections and protect them

C. To store excess energy

D. To regulate the energy output

37 / 60

37. What type of solar panel is known for being lightweight and flexible?

A. Monocrystalline

B. Polycrystalline

C. Thin-film

D. Bifacial

38 / 60

38. What does "PV" stand for in the context of solar energy?

A. Photovoltaic

B. Photothermal

C. Photonic Voltage

D. Photovoltaic Voltage

39 / 60

39. Which of the following is a common type of solar panel used in residential systems?

A. Monocrystalline

B. Polycrystalline

C. Thin-film

D. All of the above

40 / 60

40. What does the term “solar thermal” refer to?

A. The process of converting sunlight directly into electricity

B. The use of solar energy to generate high-temperature heat

C. The process of storing solar energy in batteries

D. The conversion of solar energy into chemical energy

41 / 60

41. The angle made in the horizontal plane between the horizontal line due south and the projection of the normal to the surface on the horizontal plane is

A. Hour angle

B. Declination

C. Surface azimuth angle

D. Solar altitude angle

42 / 60

42. What kind of maintenance do solar panels generally require?

A. Regular cleaning and inspection

B. Frequent replacement of parts

C. Annual software updates

D. Regular chemical treatments

43 / 60

43. What is the significance of the "tilt angle" in solar panel installation?

A. It affects the panel's structural integrity

B. It influences the efficiency of energy capture

C. It determines the panel's orientation

D. It controls the battery charging rate

44 / 60

44. Beam radiations are measured with

A. Anemometer

B. Pyrheliometer

C. Sunshine recorder

D. All of the above

45 / 60

45. Surface azimuth angle varies from

A. 0 to 90°

B. -90 to 90°

C. 0 to 180°

D. -180° to 180°

46 / 60

46. The correction has a magnitude of ___ minutes for every degree difference in longitude.

A. 2

B. 4

C. 6

D. 8

47 / 60

47. Which of the following is a safety consideration when installing solar panels?

A. Ensuring proper grounding of the system

B. Using low-voltage wiring only

C. Installing panels during rainy weather

D. Overloading the system with too many panels

48 / 60

48. In which direction should solar panels ideally face in the Northern Hemisphere for maximum exposure?

A. North

B. South

C. East

D. West

49 / 60

49. The sun subtends an angle of _____ minutes at the earth’s surface.

A. 22

B. 32

C. 42

D. 52

50 / 60

50. The power from the sun intercepted by the earth is approximately

A. 1.8 x 108 MW

B. 1.8 x 1011 MW

C. 1.8 x 1014 MW

D. 1.8 x 1017 MW

51 / 60

51. What material is commonly used in the production of monocrystalline solar panels?

A. Silicon

B. Cadmium Telluride

C. Copper Indium Gallium Selenide

D. Gallium Arsenide

52 / 60

52. The global radiation reaching a horizontal surface on the earth is given by

A. Hourly beam radiation + Hourly diffuse radiation

B. Hourly beam radiation – Hourly diffuse radiation

C. Hourly beam radiation / Hourly diffuse radiation

D. Hourly diffuse radiation / Hourly beam radiation

53 / 60

53. What factor is most important in determining the placement of solar panels on a roof?

A. The age of the roof

B. The color of the roof

C. The angle and orientation for optimal sunlight exposure

D. The roofing material

54 / 60

54. What does the term “capacity factor” refer to in solar energy systems?

A. The ratio of actual output to the theoretical maximum output

B. The size of the solar array

C. The efficiency of the solar panels

D. The cost of the solar system

55 / 60

55. What is the primary function of a charge controller in a solar power system?

A. Convert DC to AC

B. Regulate voltage and current from the solar panels

C. Store energy

D. Distribute energy to the grid

56 / 60

56. Which type of fuel is removed from the reactor core after reaching end of core life service?

A. Burnt Fuel

B. Spent fuel

C. Engine oil

D. Radioactive fuel

57 / 60

57. What is the term for the process of adjusting solar panels to face the sun at different times of the day?

A. Manual Tracking

B. Fixed Mount

C. Solar Tracking

D. Geothermal Tracking

58 / 60

58. What factor most affects the performance of solar panels in different geographic locations?

A. Local weather patterns

B. Panel color

C. Panel size

D. Installation angle

59 / 60

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

A. Latitude

B. Slope

C. Surface azimuth angle

D. Declination

60 / 60

60. What does the term "net metering" refer to?

A. Monitoring the energy output of the solar system

B. A system where excess energy is sent to the grid, and the user is credited

C. Measuring the efficiency of the solar panels

D. A method of calculating installation costs

Exit

2. Which of the following type of collector is used for low temperature systems?

4. The extraterrestrial radiation flux varies by ____ % over a year.

5. HHW stands for ____________

6. The zenith angle is the angle made by the sun’s rays with the ____ to a ______ surface.

9. The value of Solar Constant is

11. Direct Solar energy is used for

13. The collection efficiency of Flat plate collector can be improved by

15. Absorption of Solar radiations at earth’s surface occur due to presence of

18. The following is indirect method of Solar energy utilization

20. The complement of zenith angle is

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

22. Maximum efficiency is obtained in

24. The hour angle is equivalent to

25. The efficiency of various types of collectors ______ with _______ temperature.

26. Global radiation =

30. The following is (are) laws of black body radiation.

31. Solar radiation flux is usually measured with the help of a

32. The following type of energy is stored as latent heat

35. What is unit of nuclear radiation?

41. The angle made in the horizontal plane between the horizontal line due south and the projection of the normal to the surface on the horizontal plane is

44. Beam radiations are measured with

45. Surface azimuth angle varies from

46. The correction has a magnitude of ___ minutes for every degree difference in longitude.

49. The sun subtends an angle of _____ minutes at the earth’s surface.

50. The power from the sun intercepted by the earth is approximately

52. The global radiation reaching a horizontal surface on the earth is given by

56. Which type of fuel is removed from the reactor core after reaching end of core life service?

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

6. The zenith angle is the angle made by the sun’s rays with the to a __ surface.

25. The efficiency of various types of collectors with _ temperature.