Generation of Electrical Energy MCQs (Part-10)

What is the primary purpose of energy storage systems in power generation?

A To store energy for future use during peak demand
B To store fuel for the power plant
C To convert mechanical energy into electricity
D To increase energy conversion efficiency

What does cogeneration refer to in power plants?

A The simultaneous production of electricity and useful heat
B The use of two different types of fuel
C The generation of power from wind and solar energy
D The production of only mechanical energy

Which type of generator is most commonly used in thermal power plants?

A Diesel generator
B Steam turbine generator
C Wind turbine generator
D Hydro turbine generator

What is the primary disadvantage of using coal for electricity generation?

A It is renewable
B It produces high levels of pollution
C It requires a lot of land
D It has zero emissions

What is energy conversion efficiency in the context of power plants?

A The ratio of electrical energy to thermal energy
B The proportion of energy input that is converted into useful output
C The total energy produced by a power plant
D The energy required to store electricity

What is the primary advantage of using solar energy for power generation?

A It is available 24 hours a day
B It has zero emissions during operation
C It is inexpensive to install
D It is always reliable

What type of energy does a wind turbine convert into electrical energy?

A Kinetic energy
B Thermal energy
C Potential energy
D Chemical energy

What is the primary disadvantage of using nuclear power for electricity generation?

A It produces no emissions
B It produces radioactive waste
C It is too expensive to build
D It uses large amounts of land

What is one of the key benefits of wind energy?

A It produces no emissions during operation
B It requires large amounts of water
C It is a non-renewable energy source
D It produces high amounts of waste heat

What type of energy does a geothermal power plant use?

A Earth’s internal heat
B Wind energy
C Solar radiation
D Chemical energy

What is the main environmental impact of using fossil fuels for electricity generation?

A It generates a large amount of waste heat
B It releases greenhouse gases into the atmosphere
C It increases the supply of clean water
D It produces no emissions

What is the main advantage of using geothermal energy?

A It is a renewable and reliable source of energy
B It requires large amounts of fuel
C It only generates power during the day
D It uses non-renewable resources

What is one of the main challenges of using wind energy for power generation?

A It is dependent on wind availability
B It produces high levels of radiation
C It requires large amounts of fuel
D It generates no electricity at all

What is the main function of an emission control system in a power plant?

A To reduce harmful pollutants released into the atmosphere
B To increase power output
C To store excess electricity
D To convert mechanical energy into electrical energy

What is the primary fuel used in coal-fired power plants?

A Coal
B Natural gas
C Wind
D Solar

What type of energy does a tidal power plant harness?

A Kinetic energy of ocean tides
B Wind energy
C Solar energy
D Geothermal energy

What is the main function of the turbine in a power plant?

A To convert electrical energy into mechanical energy
B To convert mechanical energy into electrical energy
C To store electrical energy for future use
D To filter air and gas pollutants

What is one of the key benefits of using wind energy for electricity generation?

A It produces no emissions during operation
B It is available 24/7, regardless of weather
C It is a non-renewable resource
D It produces high levels of heat

What is one of the main challenges associated with solar energy generation?

A It is dependent on sunlight, making it intermittent
B It produces high emissions during operation
C It generates no electricity at night
D It requires constant water usage

What is the main function of a cooling tower in a power plant?

A To store excess electricity
B To remove excess heat from the system
C To convert steam into electrical energy
D To filter waste gases