PG Diploma in Solar Course

Semester 1 – Paper 2 (100 Marks)

Fill in the Blanks Question Bank (Q1–Q100)

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SECTION: Fill in the Blanks (1 × 100 = 100 Marks)

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🔹 Renewable Energy (Q1–Q10)

1. Energy is defined as the capacity to do ________.
   Answer: work
2. According to the first law of thermodynamics, energy cannot be ________ or destroyed.
   Answer: created
3. Solar energy is a ________ source of energy.
   Answer: renewable
4. Fossil fuels are classified as ________ energy sources.
   Answer: conventional
5. Electrical energy is considered the most ________ form of energy.
   Answer: convenient
6. 1 kWh of electricity generation emits approximately ________ kg of CO₂.
   Answer: 1
7. Wind energy is an example of ________ energy source.
   Answer: renewable
8. Biomass energy is derived from ________ materials.
   Answer: organic
9. Energy consumption is directly related to ________ growth.
   Answer: GDP
10. Solar energy reduces ________ emissions.
    Answer: carbon

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🔹 Basics of Electricity (Q11–Q30)

11. Electric current is the flow of ________.
    Answer: electrons
12. The symbol for current is ________.
    Answer: I
13. The unit of current is ________.
    Answer: ampere
14. Voltage is also called ________ force.
    Answer: electromotive
15. Voltage is measured in ________.
    Answer: volts
16. Resistance is measured in ________.
    Answer: ohms
17. The symbol for resistance is ________.
    Answer: R
18. Current flows from ________ voltage to lower voltage.
    Answer: higher
19. A conductor allows ________ movement of electrons.
    Answer: free
20. Insulators have ________ free electrons.
    Answer: few
21. A semiconductor has conductivity between ________ and insulator.
    Answer: conductor
22. Power is given by P = ________ × I.
    Answer: V
23. One ampere equals ________ × 10¹⁸ electrons per second (approx).
    Answer: 6.24
24. The opposition to current flow is called ________.
    Answer: resistance
25. The SI unit of power is ________.
    Answer: watt
26. Voltage is also known as ________ difference.
    Answer: potential
27. Electric current is measured using an ________ meter.
    Answer: ammeter
28. Voltage is measured using a ________.
    Answer: voltmeter
29. Materials like copper are good ________.
    Answer: conductors
30. Rubber is an example of ________.
    Answer: insulator

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🔹 Solar Cells (Q31–Q45)

31. A solar cell converts light into ________ energy.
    Answer: electrical
32. Solar cells operate on the ________ effect.
    Answer: photovoltaic
33. Solar cells produce ________ current.
    Answer: DC
34. Solar PV systems have no ________ parts.
    Answer: moving
35. The efficiency of solar cells is relatively ________.
    Answer: low
36. Solar energy is ________ in nature.
    Answer: intermittent
37. A solar cell is made of ________ material.
    Answer: semiconductor
38. The typical voltage of a solar cell is about ________ volts.
    Answer: 0.5
39. Photons transfer energy to ________ in solar cells.
    Answer: electrons
40. The energy gap between VB and CB is called ________ gap.
    Answer: band
41. The discovery of photovoltaic effect was by ________.
    Answer: Becquerel
42. Solar cells work best under ________ radiation.
    Answer: sunlight
43. The collection of electrons forms ________.
    Answer: current
44. Solar PV technology requires ________ maintenance.
    Answer: low
45. Solar PV systems can work with ________ radiation also.
    Answer: diffuse

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🔹 Solar Modules (Q46–Q60)

46. Many solar cells connected together form a ________.
    Answer: module
47. Solar modules generate power in ________ range.
    Answer: watts
48. Voltage of cells in series gets ________.
    Answer: added
49. A solar panel includes a ________ box at the back.
    Answer: junction
50. EVA stands for Ethylene Vinyl ________.
    Answer: Acetate
51. The front layer of a module is made of ________.
    Answer: glass
52. The back layer is called ________.
    Answer: backsheet
53. Modules have a lifespan of about ________ to 30 years.
    Answer: 20
54. Cells are connected in ________ to increase voltage.
    Answer: series
55. Solar modules are highly ________.
    Answer: reliable
56. Solar panels are installed in the ________.
    Answer: field
57. Solar arrays are made by combining ________.
    Answer: modules
58. The output of a module depends on ________ area.
    Answer: surface
59. Solar modules produce ________ power.
    Answer: DC
60. Larger systems operate in ________ (MW/kW) scale.
    Answer: kW

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🔹 Charge Controller (Q61–Q70)

61. A charge controller regulates ________ and current.
    Answer: voltage
62. It protects batteries from ________ charging.
    Answer: over
63. Batteries typically require around ________ V for full charge.
    Answer: 14
64. Charge controllers are used in ________ systems.
    Answer: off-grid
65. One function is battery ________.
    Answer: protection
66. Charge controller improves system ________.
    Answer: efficiency
67. It prevents ________ current flow.
    Answer: reverse
68. It controls the ________ connected to the system.
    Answer: load
69. It helps in battery ________.
    Answer: maintenance
70. Temperature affects battery ________.
    Answer: charging

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🔹 Inverter (Q71–Q80)

71. An inverter converts DC to ________.
    Answer: AC
72. Most appliances run on ________ power.
    Answer: AC
73. Rectifiers convert ________ to DC.
    Answer: AC
74. DC-DC converters change ________ levels.
    Answer: voltage
75. Inverters are part of ________ systems.
    Answer: solar
76. Batteries store ________ power.
    Answer: DC
77. AC power is required for ________ appliances.
    Answer: household
78. Inverters help supply power to the ________.
    Answer: grid
79. Inverter output is usually ________ volts (India).
    Answer: 230
80. Power converters include rectifier, inverter, and ________.
    Answer: DC-DC

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🔹 Batteries (Q81–Q90)

81. A battery stores ________ energy.
    Answer: chemical
82. A battery converts chemical energy to ________.
    Answer: electrical
83. A battery has ________ terminals.
    Answer: two
84. The positive terminal is called ________.
    Answer: cathode
85. The negative terminal is called ________.
    Answer: anode
86. Electrolyte allows ________ movement.
    Answer: ion
87. During discharge, electrons flow from ________.
    Answer: anode
88. Batteries supply power when sunlight is ________.
    Answer: unavailable
89. Energy storage improves system ________.
    Answer: reliability
90. Battery charging requires ________ control.
    Answer: proper

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🔹 Load Calculation (Q91–Q95)

91. Electrical load is any device that consumes ________.
    Answer: power
92. Energy = Power × ________.
    Answer: time
93. 1 kWh is equal to 1 ________ of electricity.
    Answer: unit
94. Load calculation helps determine system ________.
    Answer: size
95. Appliances must be listed with power and ________ usage.
    Answer: time

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🔹 Feasibility Study (Q96–Q100)

96. Feasibility study checks project ________.
    Answer: viability
97. Solar resource assessment studies ________ availability.
    Answer: sunlight
98. Financial analysis determines project ________.
    Answer: cost
99. Risk assessment identifies potential ________.
    Answer: risks
100. Solar system size depends on daily ________ consumption.
     Answer: energy

True / False Question Bank (Q1–Q100)

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SECTION: True / False (1 × 100 = 100 Marks)

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🔹 Renewable Energy (Q1–Q10)

1. Energy is the capacity to do work.
   Answer: True
2. Energy can be created and destroyed.
   Answer: False
3. Solar energy is a renewable energy source.
   Answer: True
4. Fossil fuels are non-conventional energy sources.
   Answer: False
5. Electrical energy is a convenient form of energy.
   Answer: True
6. Burning fossil fuels reduces CO₂ emissions.
   Answer: False
7. Wind energy is a renewable energy source.
   Answer: True
8. Biomass energy is derived from organic materials.
   Answer: True
9. Energy consumption is unrelated to economic growth.
   Answer: False
10. Renewable energy helps reduce environmental pollution.
    Answer: True

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🔹 Basics of Electricity (Q11–Q30)

11. Electric current is the flow of electrons.
    Answer: True
12. The unit of current is volt.
    Answer: False
13. The symbol for current is I.
    Answer: True
14. Voltage is the force that drives current.
    Answer: True
15. Voltage is measured in amperes.
    Answer: False
16. Resistance opposes the flow of current.
    Answer: True
17. Resistance is measured in ohms.
    Answer: True
18. Current flows from lower voltage to higher voltage.
    Answer: False
19. Conductors allow free movement of electrons.
    Answer: True
20. Insulators allow many free electrons.
    Answer: False
21. Semiconductors have conductivity between conductor and insulator.
    Answer: True
22. Power is equal to voltage multiplied by current.
    Answer: True
23. One ampere represents a large number of electrons flowing per second.
    Answer: True
24. Voltage is also called potential difference.
    Answer: True
25. Copper is an insulator.
    Answer: False
26. Rubber is a conductor.
    Answer: False
27. An ammeter measures current.
    Answer: True
28. A voltmeter measures resistance.
    Answer: False
29. Resistance depends on material and dimensions.
    Answer: True
30. Power is measured in watts.
    Answer: True

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🔹 Solar Cells (Q31–Q45)

31. A solar cell converts light energy into electrical energy.
    Answer: True
32. Solar cells operate on electromagnetic induction.
    Answer: False
33. Solar cells produce DC electricity.
    Answer: True
34. Solar PV systems have moving parts.
    Answer: False
35. Solar energy is available continuously throughout the day and night.
    Answer: False
36. Solar cells are made from semiconductor materials.
    Answer: True
37. The photovoltaic effect is the working principle of solar cells.
    Answer: True
38. A solar cell typically produces about 0.5 V.
    Answer: True
39. Solar PV systems require high maintenance.
    Answer: False
40. Solar cells can work under diffuse radiation.
    Answer: True
41. Photon energy is converted into electron movement in solar cells.
    Answer: True
42. Solar cells generate AC power directly.
    Answer: False
43. The band gap is related to energy levels in semiconductors.
    Answer: True
44. Solar energy is a clean source of energy.
    Answer: True
45. Solar PV systems are widely used in remote areas.
    Answer: True

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🔹 Solar Modules (Q46–Q60)

46. A solar module is made by connecting multiple solar cells.
    Answer: True
47. A single solar cell can power a house.
    Answer: False
48. Voltage increases when cells are connected in series.
    Answer: True
49. Solar modules produce AC power directly.
    Answer: False
50. EVA is used in solar module construction.
    Answer: True
51. The front surface of a module is typically glass.
    Answer: True
52. Solar modules have a very short lifespan of 2–3 years.
    Answer: False
53. Solar modules are highly reliable.
    Answer: True
54. The backsheet protects the module from damage.
    Answer: True
55. Solar panels are installed in the field.
    Answer: True
56. Modules can be combined to form arrays.
    Answer: True
57. Solar modules require fuel to operate.
    Answer: False
58. The junction box is located at the back of the panel.
    Answer: True
59. Solar modules produce DC electricity.
    Answer: True
60. Solar module efficiency is 100%.
    Answer: False

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🔹 Charge Controller (Q61–Q70)

61. A charge controller regulates voltage and current.
    Answer: True
62. Charge controllers are used only in grid systems.
    Answer: False
63. Overcharging can damage batteries.
    Answer: True
64. Charge controllers prevent over-discharging.
    Answer: True
65. Charge controllers improve system efficiency.
    Answer: True
66. Reverse current can damage solar systems.
    Answer: True
67. Charge controllers have no role in battery protection.
    Answer: False
68. Temperature affects battery charging.
    Answer: True
69. Charge controllers can control load output.
    Answer: True
70. Charge controllers are unnecessary in battery systems.
    Answer: False

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🔹 Inverter (Q71–Q80)

71. An inverter converts DC to AC.
    Answer: True
72. Most home appliances use DC power.
    Answer: False
73. Rectifiers convert AC to DC.
    Answer: True
74. DC-DC converters change voltage levels.
    Answer: True
75. Solar panels produce AC power.
    Answer: False
76. Inverters are required to run AC appliances.
    Answer: True
77. Inverters are not used in solar systems.
    Answer: False
78. Inverter output in India is around 230 V AC.
    Answer: True
79. Power converters include rectifiers and inverters.
    Answer: True
80. Batteries directly supply AC power.
    Answer: False

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🔹 Batteries (Q81–Q90)

81. A battery stores chemical energy.
    Answer: True
82. A battery converts chemical energy to electrical energy.
    Answer: True
83. A battery has only one terminal.
    Answer: False
84. The anode is the negative terminal.
    Answer: True
85. The cathode is the positive terminal.
    Answer: True
86. Electrolyte allows ion movement.
    Answer: True
87. Batteries are used for energy storage.
    Answer: True
88. Batteries supply power when sunlight is unavailable.
    Answer: True
89. Battery charging does not need regulation.
    Answer: False
90. Batteries improve system reliability.
    Answer: True

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🔹 Load Calculation (Q91–Q95)

91. Electrical load refers to devices consuming electricity.
    Answer: True
92. Energy consumption is independent of time.
    Answer: False
93. Energy = Power × Time.
    Answer: True
94. 1 kWh equals one unit of electricity.
    Answer: True
95. Load calculation is not required in solar design.
    Answer: False

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🔹 Feasibility Study (Q96–Q100)

96. Feasibility study determines project viability.
    Answer: True
97. Solar resource assessment studies sunlight availability.
    Answer: True
98. Financial analysis is not part of feasibility study.
    Answer: False
99. Risk assessment identifies potential problems.
    Answer: True
100. Solar feasibility study includes environmental analysis.
     Answer: True

MCQ Question Bank (Q1–Q100)

Difficulty: Easy

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🔹 Renewable Energy (Q1–Q10)

1. Energy is defined as:
   a) Power × time
   b) Capacity to do work
   c) Force only
   d) Heat only
   Answer: b
2. Renewable energy sources are:
   a) Limited
   b) Polluting
   c) Naturally replenished
   d) Expensive only
   Answer: c
3. Which is a renewable source?
   a) Coal
   b) Diesel
   c) Solar
   d) Petrol
   Answer: c
4. Fossil fuels are:
   a) Renewable
   b) Non-conventional
   c) Conventional
   d) Infinite
   Answer: c
5. Electrical energy is:
   a) Difficult to use
   b) Most convenient
   c) Rare
   d) Expensive only
   Answer: b
6. Solar energy helps reduce:
   a) Oxygen
   b) CO₂ emissions
   c) Water
   d) Temperature
   Answer: b
7. Wind energy is:
   a) Renewable
   b) Non-energy
   c) Chemical
   d) Nuclear
   Answer: a
8. Biomass comes from:
   a) Rocks
   b) Metals
   c) Organic matter
   d) Water
   Answer: c
9. Energy demand increases with:
   a) Decreasing GDP
   b) Increasing GDP
   c) Weather only
   d) Voltage
   Answer: b
10. Solar energy is:
    a) Polluting
    b) Clean
    c) Exhaustible
    d) Chemical
    Answer: b

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🔹 Basics of Electricity (Q11–Q30)

11. Electric current is the flow of:
    a) Protons
    b) Neutrons
    c) Electrons
    d) Atoms
    Answer: c
12. Unit of current is:
    a) Volt
    b) Ampere
    c) Ohm
    d) Watt
    Answer: b
13. Voltage is measured in:
    a) Watt
    b) Volt
    c) Ampere
    d) Ohm
    Answer: b
14. Resistance is measured in:
    a) Volt
    b) Watt
    c) Ohm
    d) Ampere
    Answer: c
15. Symbol of current is:
    a) V
    b) R
    c) I
    d) P
    Answer: c
16. Power formula is:
    a) P = V/I
    b) P = V × I
    c) P = I/R
    d) P = R × V
    Answer: b
17. Current flows from:
    a) Low to high voltage
    b) High to low voltage
    c) Ground only
    d) Neutral only
    Answer: b
18. A conductor allows:
    a) No electrons
    b) Free electrons
    c) Only protons
    d) Only ions
    Answer: b
19. An insulator has:
    a) Many free electrons
    b) Few free electrons
    c) No atoms
    d) High voltage
    Answer: b
20. Semiconductor conductivity is:
    a) Zero
    b) High
    c) Medium
    d) Infinite
    Answer: c
21. Voltage is also called:
    a) Resistance
    b) EMF
    c) Current
    d) Power
    Answer: b
22. Resistance opposes:
    a) Voltage
    b) Current
    c) Power
    d) Energy
    Answer: b
23. Unit of power is:
    a) Volt
    b) Amp
    c) Watt
    d) Ohm
    Answer: c
24. Copper is a:
    a) Insulator
    b) Conductor
    c) Semiconductor
    d) Alloy
    Answer: b
25. Rubber is a:
    a) Conductor
    b) Insulator
    c) Semiconductor
    d) Metal
    Answer: b
26. Ammeter measures:
    a) Voltage
    b) Current
    c) Resistance
    d) Power
    Answer: b
27. Voltmeter measures:
    a) Current
    b) Voltage
    c) Power
    d) Energy
    Answer: b
28. Resistance depends on:
    a) Length
    b) Area
    c) Material
    d) All of the above
    Answer: d
29. Current unit symbol is:
    a) A
    b) V
    c) W
    d) Ω
    Answer: a
30. Power increases with:
    a) Decrease in current
    b) Increase in voltage
    c) No change
    d) Zero voltage
    Answer: b

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🔹 Solar Cells (Q31–Q45)

31. Solar cell converts:
    a) Heat to light
    b) Light to electricity
    c) AC to DC
    d) Chemical to heat
    Answer: b
32. Solar cells work on:
    a) Magnetic effect
    b) Photovoltaic effect
    c) Induction
    d) Electrolysis
    Answer: b
33. Output of solar cell is:
    a) AC
    b) DC
    c) Heat
    d) Sound
    Answer: b
34. Solar cells are made of:
    a) Plastic
    b) Semiconductor
    c) Metal
    d) Wood
    Answer: b
35. Solar energy is:
    a) Continuous
    b) Intermittent
    c) Constant
    d) Stored
    Answer: b
36. Solar cells have:
    a) Moving parts
    b) No moving parts
    c) Rotating parts
    d) Heavy parts
    Answer: b
37. Typical voltage of cell:
    a) 12 V
    b) 230 V
    c) 0.5 V
    d) 50 V
    Answer: c
38. Solar PV needs:
    a) Fuel
    b) Sunlight
    c) Gas
    d) Water
    Answer: b
39. Efficiency of solar cells is:
    a) High
    b) Low
    c) Infinite
    d) Zero
    Answer: b
40. Solar PV is used in:
    a) Satellites
    b) Cars only
    c) Boilers
    d) Engines
    Answer: a
41. Photon energy creates:
    a) Heat
    b) Electrons
    c) Current
    d) Voltage
    Answer: c
42. Solar cells can work with:
    a) Only direct light
    b) Diffuse light also
    c) Only night
    d) Only AC
    Answer: b
43. Band gap relates to:
    a) Voltage
    b) Energy levels
    c) Resistance
    d) Current
    Answer: b
44. Solar PV maintenance is:
    a) High
    b) Medium
    c) Low
    d) Impossible
    Answer: c
45. Solar cells are used for:
    a) Lighting
    b) Charging
    c) Power generation
    d) All of the above
    Answer: d

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🔹 Solar Modules (Q46–Q60)

46. Solar module is made of:
    a) One cell
    b) Many cells
    c) Battery
    d) Inverter
    Answer: b
47. Cells in series increase:
    a) Current
    b) Voltage
    c) Resistance
    d) Power loss
    Answer: b
48. EVA is used for:
    a) Cooling
    b) Encapsulation
    c) Wiring
    d) Mounting
    Answer: b
49. Front layer is:
    a) Plastic
    b) Glass
    c) Metal
    d) Wood
    Answer: b
50. Module life is about:
    a) 2 years
    b) 5 years
    c) 20–30 years
    d) 50 days
    Answer: c
51. Modules produce:
    a) AC
    b) DC
    c) Heat
    d) Sound
    Answer: b
52. Junction box is at:
    a) Front
    b) Back
    c) Side
    d) Bottom
    Answer: b
53. Modules are:
    a) Unreliable
    b) Reliable
    c) Temporary
    d) Weak
    Answer: b
54. Modules are combined into:
    a) Batteries
    b) Arrays
    c) Inverters
    d) Loads
    Answer: b
55. Solar modules need:
    a) Fuel
    b) Sunlight
    c) Diesel
    d) Coal
    Answer: b
56. Output depends on:
    a) Area
    b) Color
    c) Size only
    d) Weight
    Answer: a
57. Solar panels are installed:
    a) Underground
    b) On site
    c) In water
    d) Inside battery
    Answer: b
58. Solar modules are:
    a) Unsafe
    b) Safe
    c) Hazardous
    d) Explosive
    Answer: b
59. Cells connected in parallel increase:
    a) Voltage
    b) Current
    c) Resistance
    d) Heat
    Answer: b
60. Solar modules are used in:
    a) Homes
    b) Industries
    c) Plants
    d) All of the above
    Answer: d

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🔹 Charge Controller (Q61–Q70)

61. Charge controller controls:
    a) Temperature
    b) Voltage & current
    c) Light
    d) Air
    Answer: b
62. It protects battery from:
    a) Heat
    b) Overcharging
    c) Dust
    d) Weight
    Answer: b
63. Used in:
    a) Grid only
    b) Off-grid
    c) Cars only
    d) Engines
    Answer: b
64. Prevents:
    a) Reverse current
    b) AC flow
    c) Voltage drop
    d) Power loss
    Answer: a
65. Improves:
    a) Cost
    b) Efficiency
    c) Color
    d) Size
    Answer: b
66. Battery voltage is around:
    a) 5V
    b) 14V
    c) 230V
    d) 100V
    Answer: b
67. Charge controller helps in:
    a) Safety
    b) Charging
    c) Protection
    d) All of the above
    Answer: d
68. Over-discharging causes:
    a) Cooling
    b) Damage
    c) Gain
    d) Stability
    Answer: b
69. Charge controller is:
    a) Optional
    b) Necessary
    c) Decorative
    d) Heavy
    Answer: b
70. It regulates energy flow between:
    a) Panel & battery
    b) Battery & load
    c) Both
    d) None
    Answer: c

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🔹 Inverter (Q71–Q80)

71. Inverter converts:
    a) AC to DC
    b) DC to AC
    c) Heat to light
    d) Light to heat
    Answer: b
72. AC is used by:
    a) Panels
    b) Batteries
    c) Appliances
    d) Cells
    Answer: c
73. Rectifier converts:
    a) DC to AC
    b) AC to DC
    c) Heat to light
    d) Light to heat
    Answer: b
74. DC-DC converter changes:
    a) Current
    b) Voltage
    c) Power
    d) Frequency
    Answer: b
75. Solar output is:
    a) AC
    b) DC
    c) Both
    d) None
    Answer: b
76. Inverter is required for:
    a) AC loads
    b) DC loads
    c) Batteries
    d) Panels
    Answer: a
77. Inverter output in India:
    a) 110V
    b) 230V
    c) 12V
    d) 24V
    Answer: b
78. Power converter includes:
    a) Inverter
    b) Rectifier
    c) DC-DC
    d) All
    Answer: d
79. Batteries supply:
    a) AC
    b) DC
    c) Heat
    d) Light
    Answer: b
80. Inverter is used in:
    a) Solar systems
    b) Homes
    c) Industries
    d) All
    Answer: d

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🔹 Batteries (Q81–Q90)

81. Battery stores:
    a) Heat
    b) Chemical energy
    c) Light
    d) Sound
    Answer: b
82. Battery converts to:
    a) Electrical energy
    b) Heat
    c) Light
    d) Motion
    Answer: a
83. Battery terminals:
    a) One
    b) Two
    c) Three
    d) Four
    Answer: b
84. Anode is:
    a) Positive
    b) Negative
    c) Neutral
    d) Unknown
    Answer: b
85. Cathode is:
    a) Positive
    b) Negative
    c) Neutral
    d) Unknown
    Answer: a
86. Electrolyte allows:
    a) Electron flow
    b) Ion flow
    c) Heat flow
    d) Light flow
    Answer: b
87. Batteries supply power when:
    a) Day
    b) Night
    c) Both
    d) Only rain
    Answer: c
88. Battery improves:
    a) Cost
    b) Reliability
    c) Color
    d) Weight
    Answer: b
89. Battery needs:
    a) Regulation
    b) No control
    c) Only sunlight
    d) Only AC
    Answer: a
90. Battery is used in:
    a) Storage
    b) Generation
    c) Transmission
    d) Cooling
    Answer: a

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🔹 Load Calculation & Feasibility (Q91–Q100)

91. Electrical load consumes:
    a) Voltage
    b) Power
    c) Resistance
    d) Energy only
    Answer: b
92. Energy = Power ×:
    a) Voltage
    b) Current
    c) Time
    d) Resistance
    Answer: c
93. 1 kWh equals:
    a) 1 unit
    b) 10 units
    c) 100 units
    d) 0 unit
    Answer: a
94. Load calculation helps in:
    a) Design
    b) Cooking
    c) Cooling
    d) Painting
    Answer: a
95. Solar system size depends on:
    a) Energy use
    b) Color
    c) Shape
    d) Weight
    Answer: a
96. Feasibility study checks:
    a) Viability
    b) Color
    c) Brand
    d) Size
    Answer: a
97. Solar resource assessment studies:
    a) Wind
    b) Sunlight
    c) Rain
    d) Soil
    Answer: b
98. Financial analysis checks:
    a) Cost
    b) Voltage
    c) Current
    d) Power
    Answer: a
99. Risk assessment identifies:
    a) Problems
    b) Voltage
    c) Power
    d) Energy
    Answer: a
100. Feasibility study includes:
     a) Technical
     b) Economic
     c) Environmental
     d) All
     Answer: d