Renewable Energy Systems MCQs (Part-10)

Which of the following is a renewable energy source?

A Oil
B Natural gas
C Solar energy
D Diesel

What is the function of a wind turbine rotor?

A To convert mechanical energy into electrical energy
B To capture wind energy and rotate the blades
C To store energy in batteries
D To stabilize the turbine during storms

Which of the following systems is considered a distributed generation system?

A Large hydropower plants
B Rooftop solar panels
C Fossil fuel power plants
D Nuclear power plants

What does an energy audit aim to achieve?

A To install new renewable energy systems
B To analyze and improve energy efficiency
C To calculate total carbon emissions
D To determine fossil fuel consumption rates

Which renewable energy source depends on water flow?

A Wind energy
B Geothermal energy
C Hydropower
D Biomass energy

What is a significant environmental benefit of using renewable energy?

A Lower installation costs
B No greenhouse gas emissions during operation
C Increased dependence on fossil fuels
D Higher energy production costs

What does “net metering” allow users to do?

A Store energy for future use
B Sell excess renewable energy back to the grid
C Generate energy from fossil fuels
D Reduce grid energy efficiency

Which renewable energy source uses anaerobic digestion to produce biogas?

A Solar energy
B Biomass energy
C Geothermal energy
D Wind energy

Which system is ideal for generating electricity in remote areas without grid access?

A Off-grid solar systems
B Grid-connected wind farms
C Large hydropower plants
D Geothermal power plants

What is the purpose of a battery management system (BMS)?

A To generate electricity from renewable sources
B To optimize the performance and safety of batteries
C To increase battery size
D To convert AC to DC electricity

Which renewable energy system captures thermal energy from the Earth’s interior?

A Solar energy
B Wind energy
C Geothermal energy
D Wave energy

What does “energy efficiency” refer to?

A The total amount of energy produced
B The ratio of useful energy output to energy input
C The ability to store surplus energy
D The reduction in fossil fuel consumption

What is the primary role of an inverter in a solar power system?

A To store energy
B To convert DC electricity into AC electricity
C To generate heat
D To regulate the flow of electricity

Which energy source powers tidal energy systems?

A Wind currents
B Gravitational forces of the moon and sun
C Solar radiation
D Ocean thermal energy

What is the main component of a photovoltaic (PV) cell?

A Copper
B Silicon
C Aluminum
D Glass

What does a smart grid integrate?

A Fossil fuel power plants
B Renewable energy sources with digital technology
C Manual grid monitoring systems
D Off-grid energy solutions

What is the typical lifespan of modern solar panels?

A 5-10 years
B 10-15 years
C 25-30 years
D 50-60 years

Which renewable energy source is suitable for flat, open landscapes?

A Hydropower
B Geothermal energy
C Wind energy
D Biomass energy

What does “feed-in tariff” encourage?

A Fossil fuel usage
B Producing renewable energy by offering financial incentives
C Reducing energy efficiency
D Limiting renewable energy production

What is the purpose of energy storage in renewable systems?

A To reduce energy production
B To store surplus energy for later use
C To increase system inefficiency
D To generate energy from fossil fuels