Renewable Energy Systems MCQs (Part-5)

What is the main component of a solar thermal power plant?

A Solar panels
B Mirrors or reflectors
C Batteries
D Wind turbines

Which energy source is powered by wind?

A Hydropower
B Tidal energy
C Wind turbines
D Geothermal energy

Which device regulates the flow of electricity to prevent overcharging in a solar system?

A Battery
B Inverter
C Charge controller
D Solar panel

What does the term “off-grid system” mean?

A A system connected to the grid
B A system without energy storage
C A system independent of the power grid
D A system used for industrial purposes

Which renewable energy source depends on water temperature differences?

A Biomass energy
B Ocean thermal energy
C Geothermal energy
D Tidal energy

What type of renewable energy uses organic material for power?

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

Which renewable energy system is suitable for areas with active volcanic regions?

A Wind power
B Solar power
C Geothermal power
D Hydropower

What is the primary function of a wind turbine’s nacelle?

A Support the blades
B Store energy
C House the generator and gearbox
D Track wind speed

Which energy system uses underwater turbines to generate power?

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

What is the main purpose of net metering?

A To provide backup power
B To store energy for future use
C To allow customers to send excess electricity back to the grid
D To increase battery capacity

What is the role of a microgrid?

A To power large cities
B To operate independently during grid failures
C To replace batteries in renewable systems
D To generate fossil fuel-based energy

Which renewable energy source uses photovoltaic cells?

A Hydropower
B Solar energy
C Wind energy
D Biomass energy

What type of renewable energy is generated by ocean waves?

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

What is the main disadvantage of solar power?

A High carbon emissions
B Limited sunlight availability
C High fuel costs
D Dependence on wind speed

What is the primary environmental benefit of renewable energy?

A High energy output
B Minimal greenhouse gas emissions
C Low installation costs
D Dependence on fossil fuels

What is a hybrid renewable energy system?

A A system combining renewable and non-renewable sources
B A system using two or more renewable energy sources
C A system without energy storage
D A system that only generates wind energy

What does the term “energy storage” refer to?

A Generating electricity
B Storing surplus energy for later use
C Increasing energy demand
D Reducing energy efficiency

What is a “smart grid”?

A A grid with fossil fuel backup
B A grid with advanced technology for integrating renewable energy
C A grid that only powers homes
D A grid that replaces solar systems

What is a key feature of distributed generation?

A Centralized energy production
B Small-scale energy production near the point of use
C Large-scale hydropower plants
D Use of fossil fuels

What is the purpose of energy efficiency measures?

A To increase energy waste
B To maximize energy use with minimal input
C To replace renewable energy systems
D To store surplus energy