Power Plants: Types, Efficiency, and Operation - Engineering Science Quiz

Question 1

Which of the following is NOT a fossil fuel used in power plants?

Accepted Answer

Wood

Answer

Coal

Answer

Natural gas

Answer

Oil

Question 2

What is the primary energy source used in nuclear power plants?

Accepted Answer

Uranium

Answer

Coal

Answer

Wind

Answer

Solar

Question 3

Which of the following is an advantage of using renewable energy sources in power plants?

Accepted Answer

Reduced greenhouse gas emissions

Answer

Lower operating costs

Answer

Higher efficiency

Answer

Availability 24 hours a day, 7 days a week

Question 4

What is the main function of a combined cycle power plant?

Accepted Answer

Generate electricity using both gas and steam turbines

Answer

Convert sunlight into electricity

Answer

Produce heat for industrial processes

Answer

Store energy from renewable sources

Question 5

What is the role of a heat exchanger in a power plant?

Accepted Answer

Transfer heat from one fluid to another

Answer

Burn fuel to generate heat

Answer

Generate steam

Answer

Convert mechanical energy to electrical energy

Question 6

What is the purpose of using a condenser in a steam turbine power plant?

Accepted Answer

Condenses steam to create a vacuum

Answer

Heats steam to increase its pressure

Answer

Converts water into steam

Answer

Generates electricity

Question 7

What is the role of a governor in a power plant?

Accepted Answer

Regulates the speed of the turbine

Answer

Controls the flow of fuel

Answer

Generates electricity

Answer

Converts steam to water

Question 8

Which of the following is NOT a renewable energy source used in power plants?

Accepted Answer

Natural gas

Answer

Solar energy

Answer

Wind energy

Answer

Hydroelectric energy

Question 9

What is the primary energy source used in a fossil fuel power plant?

Accepted Answer

Coal, oil, or gas

Answer

Uranium

Answer

Wind

Answer

Solar

Question 10

Which type of power plant generates electricity through nuclear reactions?

Accepted Answer

Nuclear

Answer

Fossil fuel

Answer

Hydroelectric

Answer

Combined cycle

Question 11

What renewable energy source is utilized in hydroelectric power plants?

Accepted Answer

Water

Answer

Wind

Answer

Solar

Answer

Geothermal

Question 12

Which type of power plant combines multiple energy sources, like fossil fuels and renewable energy, to generate electricity?

Accepted Answer

Combined cycle

Answer

Fossil fuel

Answer

Nuclear

Answer

Renewable

Question 13

What term describes how efficiently a power plant converts fuel into electricity?

Accepted Answer

Efficiency

Answer

Capacity

Answer

Load factor

Answer

Power factor

Question 14

What is the primary function of a condenser in a power plant?

Accepted Answer

To condense steam into water

Answer

To transfer heat to the environment

Answer

To generate steam

Answer

To regulate fuel flow

Question 15

Which type of power plant directly converts the chemical energy of a fuel into electrical energy?

Accepted Answer

Fuel cell

Answer

Thermal power plant

Answer

Nuclear power plant

Answer

Hydroelectric power plant

Question 16

In a nuclear power plant, what is the primary fuel used?

Accepted Answer

Uranium

Answer

Coal

Answer

Natural gas

Answer

Solar energy

Question 17

In a thermal power plant, what is the function of a steam turbine?

Accepted Answer

To convert heat into mechanical energy

Answer

To generate steam

Answer

To cool the reactor core

Answer

To remove impurities from the feed water

Question 18

Which of the following is a key advantage of utilizing renewable energy sources?

Accepted Answer

Zero carbon emissions

Answer

Low operating costs

Answer

High efficiency

Answer

Unlimited fuel supply

Question 19

What is the term used to describe the efficiency of a power plant?

Accepted Answer

Thermal efficiency

Answer

Capacity factor

Answer

Load factor

Answer

Electrical efficiency

Question 20

What is the purpose of a cooling tower in a power plant?

Accepted Answer

To remove heat from the condenser

Answer

To generate steam

Answer

To store nuclear waste

Answer

To filter pollutants from the exhaust gas

Question 21

Which of the following is a renewable energy source that harnesses the sun's energy?

Accepted Answer

Solar energy

Answer

Geothermal energy

Answer

Wind energy

Answer

Hydroelectric energy

Question 22

What is the primary disadvantage of using fossil fuels in power plants?

Accepted Answer

Environmental pollution

Answer

High cost

Answer

Limited availability

Answer

Low efficiency

Question 23

Which of the following fuels is commonly used in gas turbines?

Accepted Answer

Natural gas

Answer

Coal

Answer

Uranium

Answer

Biomass