Power Generation: Principles and Technologies for Sustainable Energy

Question 1

Which of the following is a non-renewable energy source?

Accepted Answer

Natural gas

Answer

Solar energy

Answer

Hydroelectric power

Answer

Wind energy

Question 2

Identify the option that does NOT represent a conventional method of power generation.

Accepted Answer

Hydroelectric power plants

Answer

Coal-fired power plants

Answer

Nuclear power plants

Answer

Natural gas-fired turbines

Question 3

Which principle is employed in generating electricity in wind turbines?

Accepted Answer

Electromagnetic induction

Answer

Thermodynamic expansion

Answer

Photovoltaic effect

Answer

Nuclear fission

Question 4

Among renewable energy sources, which contributes the greatest proportion of global electricity generation?

Accepted Answer

Hydropower

Answer

Solar energy

Answer

Wind energy

Answer

Geothermal energy

Question 5

Explain the term 'combined cycle' in the context of power generation.

Accepted Answer

A system combining steam and gas turbines

Answer

A system combining hydroelectric and wind turbines

Answer

A system combining solar photovoltaic arrays and battery storage

Answer

A system combining geothermal heat pumps and thermal power plants

Question 6

Describe the process of converting chemical energy stored in fossil fuels into electricity.

Accepted Answer

Combustion

Answer

Gasification

Answer

Nuclear fission

Answer

Solar photovoltaic conversion

Question 7

Which factor does NOT affect the efficiency of a thermal power plant?

Accepted Answer

Ambient temperature

Answer

Turbine efficiency

Answer

Coal quality

Answer

Boiler efficiency

Question 8

Which of the following is NOT considered a conventional energy source?

Accepted Answer

Solar

Answer

Coal

Answer

Natural Gas

Answer

Nuclear

Question 9

What is the primary energy source utilized by most wind turbines?

Accepted Answer

Wind

Answer

Solar radiation

Answer

Geothermal energy

Answer

Hydropower

Question 10

Which type of power plant relies on the combustion of fossil fuels to generate electricity?

Accepted Answer

Thermal power plant

Answer

Hydroelectric plant

Answer

Nuclear power plant

Answer

Wind farm

Question 11

What is the primary function of a synchronous condenser in a power system?

Accepted Answer

To provide reactive power support

Answer

To regulate voltage

Answer

To improve power quality

Answer

To increase power transmission capacity

Question 12

Which energy conversion technology harnesses the principle of electromagnetism to generate electricity?

Accepted Answer

Generator

Answer

Fuel cell

Answer

Solar panel

Answer

Heat exchanger

Question 13

What is the main purpose of a transformer in an electrical power system?

Accepted Answer

To alter the voltage level of electricity

Answer

To isolate circuits

Answer

To safeguard against overcurrents

Answer

To store electrical energy

Question 14

Which of the following presents a key challenge in the integration of renewable energy sources into a power grid?

Accepted Answer

Intermittency of renewable generation

Answer

High land requirements

Answer

Long construction times

Answer

Public acceptance

Question 15

What is the primary role of a power electronic converter in a solar power system?

Accepted Answer

To convert DC power to AC power

Answer

To regulate voltage and frequency

Answer

To provide isolation from the grid

Answer

To store excess energy in batteries

Question 16

How do energy efficiency measures help reduce demand and lessen the impact on power generation systems?

Accepted Answer

Lower energy consumption and demand, reducing the strain on power generation systems.

Answer

Increase renewable energy production, reducing the reliance on fossil fuels for power generation.

Answer

Reduce power plant emissions, improving air quality and mitigating climate change.

Question 17

Which of the following is a primary energy source?

Accepted Answer

Coal

Answer

Heat

Answer

Electricity

Answer

Light

Question 18

What is a significant drawback of fossil fuel power plants?

Accepted Answer

Greenhouse gas emissions

Answer

Limited fuel availability

Answer

High maintenance costs

Answer

Low efficiency

Question 19

Which renewable energy source is characterized by its unpredictable availability?

Accepted Answer

Solar

Answer

Geothermal

Answer

Biomass

Answer

Hydroelectric

Question 20

What is a key advantage of combined cycle power plants?

Accepted Answer

Improved efficiency

Answer

Reduced emissions

Answer

Lower capital costs

Answer

Increased flexibility

Question 21

Which factor is crucial in determining the economic feasibility of a power plant?

Accepted Answer

Fuel type and cost

Answer

Government incentives

Answer

Plant location

Answer

Equipment reliability

Question 22

What is the primary responsibility of the National Grid in the United Kingdom?

Accepted Answer

Transmitting and distributing electricity

Answer

Providing backup power

Answer

Generating electricity

Answer

Regulating the electricity market

Question 23

Which technology is primarily employed to reduce sulfur dioxide emissions from coal-fired power plants?

Accepted Answer

Flue gas desulfurization

Answer

Selective catalytic reduction

Answer

Electrostatic precipitation

Answer

Carbon capture and storage