Advance Diploma Solar Semester Two Paper 3 Exam Section A

Q1. A solar water pumping system primarily uses:

A. Wind energy
B. Solar PV energy
C. Thermal energy
D. Nuclear energy
Answer: B
Explanation: It uses PV energy to run pumps.

Q2. Which component converts solar energy into electricity in a pumping system?

A. Pump
B. Motor
C. Solar panel
D. Controller
Answer: C

Q3. Solar pumps can be classified based on:

A. Color
B. Motor type
C. Shape
D. Size
Answer: B

Q4. DC solar pumps operate on:

A. AC supply
B. Direct solar DC
C. Battery AC
D. Diesel
Answer: B

Q5. Submersible pumps are used:

A. Above ground
B. Underground water sources
C. Roof installation
D. Industrial boilers
Answer: B

Q6. Total Dynamic Head refers to:

A. Pump size
B. Total height water is lifted
C. Panel capacity
D. Cable length
Answer: B

Q7. Solar cooking primarily uses:

A. Electricity
B. Chemical reaction
C. Solar radiation
D. Wind energy
Answer: C

Q8. One advantage of solar cooking is:

A. High pollution
B. Renewable energy use
C. High cost
D. Complex system
Answer: B

Q9. A disadvantage of solar cookers:

A. Fast cooking
B. Works at night
C. Long cooking time
D. Low cost
Answer: C

Q10. Solar cooking works on:

A. Heat rejection
B. Radiation absorption
C. Nuclear fusion
D. Conduction only
Answer: B

Q11. Box-type solar cookers are:

A. Concentrators
B. Simple insulated devices
C. Electrical
D. Mechanical
Answer: B

Q12. Solar water heaters use:

A. PV technology
B. Solar thermal technology
C. Wind energy
D. Batteries
Answer: B

Q13. Low-temperature collectors include:

A. Parabolic dishes
B. Unglazed mats
C. Towers
D. CSP plants
Answer: B

Q14. Infrared radiation is mainly responsible for:

A. Light
B. Heat
C. Electricity
D. Pressure
Answer: B

Q15. Best orientation for solar heaters in India:

A. North
B. South
C. East
D. West
Answer: B

Q16. Net metering allows:

A. Only import of energy
B. Only export of energy
C. Import and export of energy
D. No energy exchange
Answer: C

Q17. Net meter is:

A. Single-direction meter
B. Bidirectional meter
C. Mechanical device
D. Thermal meter
Answer: B

Q18. Net metering reduces:

A. Solar generation
B. Electricity bill
C. Panel efficiency
D. Grid load
Answer: B

Q19. Virtual net metering allows:

A. Single user consumption
B. Energy sharing across locations
C. No grid usage
D. Battery-only systems
Answer: B

Q20. Virtual net metering is useful for:

A. Independent homes
B. Apartments without roof
C. Farms only
D. Factories only
Answer: B

Q21. Techno-commercial proposal includes:

A. Only design
B. Only finance
C. Technical + financial analysis
D. Only marketing
Answer: C

Q22. First step in techno-commercial proposal:

A. Risk analysis
B. Client requirement
C. Installation
D. Maintenance
Answer: B

Q23. Project costing is part of:

A. Technical design
B. Financial viability
C. Safety
D. Installation
Answer: B

Q24. Solar project management ensures:

A. Delay
B. Efficiency
C. Loss
D. Overbudget
Answer: B

Q25. Pre-feasibility includes:

A. Installation
B. Resource assessment
C. Maintenance
D. Cleaning
Answer: B

Q26. Site assessment includes:

A. Weather data
B. Cooking method
C. Fuel usage
D. Lighting
Answer: A

Q27. Load profile helps determine:

A. Panel color
B. Peak demand
C. Panel type
D. Pump type
Answer: B

Q28. Project lifecycle includes:

A. Cooking
B. Procurement
C. Farming
D. Billing
Answer: B

Q29. BOS components include:

A. Modules only
B. Inverter, cables, structures
C. Only batteries
D. Only panels
Answer: B

Q30. Combiner box function:

A. Split current
B. Combine strings
C. Store energy
D. Convert AC
Answer: B

Q31. Grounding is used for:

A. Efficiency
B. Safety
C. Voltage increase
D. Storage
Answer: B

Q32. Solar cables are:

A. Single conductor only
B. Insulated conductors
C. Plastic pipes
D. Transformers
Answer: B

Q33. Wire gauge indicates:

A. Voltage
B. Thickness
C. Length
D. Power
Answer: B

Q34. PV cables connect:

A. Only panels
B. Panels and inverter
C. Only battery
D. Grid only
Answer: B

Q35. Installation checklist ensures:

A. Speed only
B. Safety and efficiency
C. Cost increase
D. Delay
Answer: B

Q36. Before installation, check:

A. Weather only
B. Permits and approvals
C. Panel color
D. Voltage only
Answer: B

Q37. Solar panel installation step:

A. Mount structure first
B. Connect battery first
C. Paint panel
D. Remove inverter
Answer: A

Q38. Solar array is:

A. Single panel
B. Group of panels
C. Battery
D. Motor
Answer: B

Q39. Series connection increases:

A. Current
B. Voltage
C. Resistance
D. Heat
Answer: B

Q40. Parallel connection increases:

A. Voltage
B. Current
C. Temperature
D. Resistance
Answer: B

Q41. Panel requirement depends on:

A. Weather
B. Energy needs
C. Voltage
D. All
Answer: D

Q42. PV system sizing includes:

A. Load calculation
B. Battery sizing
C. Array sizing
D. All
Answer: D

Q43. Solar project goal includes:

A. Pollution increase
B. Renewable energy production
C. Fuel consumption
D. Grid dependency
Answer: B

Q44. Solar projects reduce:

A. Cost always zero
B. Carbon footprint
C. Energy usage
D. Voltage
Answer: B

Q45. Planning phase improves:

A. Confusion
B. Efficiency
C. Delay
D. Risk only
Answer: B

Q46. Shadow analysis is done during:

A. Installation
B. Site assessment
C. Operation
D. Maintenance
Answer: B

Q47. PV efficiency degrades approx:

A. 5%/year
B. 0.5%/year
C. 10%/year
D. 2%/year
Answer: B

Q48. Solar cables lifespan:

A. 5 years
B. 10 years
C. ~25 years
D. 50 years
Answer: C

Q49. Energy monitoring system is part of:

A. PV modules
B. BOS
C. Battery
D. Pump
Answer: B

Q50. Inverter converts:

A. AC to DC
B. DC to AC
C. Heat to light
D. Mechanical to electrical
Answer: B

Q51. A hybrid solar pumping system uses:

A. Only solar
B. Solar + grid/diesel
C. Only battery
D. Only AC supply
Answer: B
Explanation: Hybrid systems combine solar with other energy sources.

Q52. The pump controller in a solar pumping system:

A. Stores energy
B. Controls motor operation
C. Converts AC to DC
D. Generates electricity
Answer: B

Q53. Solar irradiation affects:

A. Pump size
B. Energy generation
C. Wire thickness
D. Battery color
Answer: B

Q54. Surface pumps are generally used for:

A. Deep bore wells
B. Shallow water sources
C. Oceans
D. Industrial boilers
Answer: B

Q55. One major benefit of solar water pumping:

A. High maintenance
B. Diesel consumption
C. Clean energy usage
D. Noise pollution
Answer: C

Q56. Solar cookers are best suited for:

A. Night cooking
B. Cloudy conditions
C. Sunny conditions
D. Rainy days
Answer: C

Q57. Solar cooking reduces use of:

A. Water
B. Electricity only
C. Fossil fuels
D. Air
Answer: C

Q58. Parabolic solar cookers work on:

A. Reflection and concentration
B. Conduction
C. Convection
D. Chemical reaction
Answer: A

Q59. Solar cooking is not effective during:

A. Summer
B. Winter
C. Night
D. Noon
Answer: C

Q60. Solar cookers are mainly:

A. Electrical devices
B. Thermal devices
C. Mechanical devices
D. Chemical devices
Answer: B

Q61. High-temperature solar collectors are:

A. Flat plate
B. Unglazed
C. Concentrating collectors
D. Plastic collectors
Answer: C

Q62. Flat plate collectors are:

A. High temp
B. Medium temp
C. Low temp
D. Electrical
Answer: B

Q63. Solar water heaters are widely used for:

A. Cooling
B. Heating water
C. Lighting
D. Pumping
Answer: B

Q64. Domestic solar water heating is used in:

A. Factories only
B. Homes
C. Farms only
D. Vehicles
Answer: B

Q65. Net metering helps utilize:

A. Excess solar power
B. Only grid power
C. Only battery power
D. Only diesel power
Answer: A

Q66. In net metering, excess energy is:

A. Lost
B. Stored only
C. Sent to grid
D. Converted to heat
Answer: C

Q67. Net metering adjustments are done:

A. Daily only
B. Monthly/annually
C. Hourly
D. Weekly only
Answer: B

Q68. Virtual net metering benefits:

A. Single consumer
B. Multiple consumers
C. Only industries
D. Only farms
Answer: B

Q69. Virtual net metering requires:

A. Same state
B. Same grid area
C. Same panel
D. Same battery
Answer: B

Q70. Techno-commercial analysis is important for:

A. Cooking
B. Project approval
C. Cleaning panels
D. Wiring only
Answer: B

Q71. Client electricity bills are required for:

A. Cooking
B. Load analysis
C. Panel cleaning
D. Painting
Answer: B

Q72. Payback period refers to:

A. Energy generation
B. Cost recovery time
C. Panel life
D. Efficiency
Answer: B

Q73. Solar project management ensures:

A. Delay
B. Budget control
C. Loss
D. Failure
Answer: B

Q74. Site management includes:

A. Cooking
B. Material storage
C. Fuel use
D. Water heating
Answer: B

Q75. PPE stands for:

A. Power panel equipment
B. Personal protective equipment
C. Panel power efficiency
D. Power plant energy
Answer: B

Q76. Load profile helps determine:

A. Temperature
B. Energy demand pattern
C. Panel color
D. Cable length
Answer: B

Q77. Peak demand is:

A. Lowest load
B. Highest load
C. Average load
D. Constant load
Answer: B

Q78. Procurement includes:

A. Design
B. Purchasing equipment
C. Cleaning
D. Monitoring
Answer: B

Q79. BOS excludes:

A. Modules
B. Inverter
C. Cables
D. Combiner box
Answer: A

Q80. Lightning arrestor protects against:

A. Heat
B. Voltage
C. Lightning
D. Dust
Answer: C

Q81. ACDB stands for:

A. AC Distribution Box
B. Array Control Device
C. Automatic DC Box
D. AC Driver Board
Answer: A

Q82. Solar cables must be:

A. Weak
B. Weather resistant
C. Thin only
D. Cheap
Answer: B

Q83. Copper cables are preferred due to:

A. Low conductivity
B. High resistance
C. Good conductivity
D. Cheapness
Answer: C

Q84. Voltage drop in cables should be:

A. High
B. Low
C. Zero always
D. Maximum
Answer: B

Q85. Installation checklist ensures:

A. Safety
B. Efficiency
C. Compliance
D. All
Answer: D

Q86. PV installation requires:

A. Structural integrity
B. Paint
C. Color
D. Design only
Answer: A

Q87. Mounting structures are made of:

A. Wood
B. GI/Aluminium/Steel
C. Plastic
D. Glass
Answer: B

Q88. Solar array output depends on:

A. Panel size
B. Sunlight
C. Configuration
D. All
Answer: D

Q89. Series connection increases:

A. Current
B. Voltage
C. Power loss
D. Resistance
Answer: B

Q90. Parallel connection increases:

A. Voltage
B. Current
C. Temperature
D. Loss
Answer: B

Q91. Battery bank sizing depends on:

A. Load requirement
B. Weather
C. Color
D. Cable
Answer: A

Q92. Solar system sizing includes:

A. Load
B. Battery
C. PV array
D. All
Answer: D

Q93. Project planning improves:

A. Confusion
B. Efficiency
C. Delay
D. Loss
Answer: B

Q94. Solar projects reduce:

A. Fossil fuel use
B. Cost always zero
C. Pollution increase
D. Energy demand
Answer: A

Q95. Grid-connected systems:

A. Work independently
B. Work with grid
C. Use only battery
D. Use diesel
Answer: B

Q96. Inverter efficiency affects:

A. Cable length
B. Energy output
C. Pump size
D. Water flow
Answer: B

Q97. Combiner box is used in:

A. AC system only
B. DC system
C. Mechanical system
D. Thermal system
Answer: B

Q98. Earthing is important for:

A. Efficiency
B. Safety
C. Output
D. Cost
Answer: B

Q99. Solar PV systems produce:

A. AC directly
B. DC electricity
C. Heat only
D. Mechanical energy
Answer: B

Q100. Solar energy is:

A. Non-renewable
B. Renewable
C. Fossil fuel
D. Nuclear
Answer: B