Power Plants: A Comprehensive Guide for Engineering Mechanics Students

Question 1

Which of the following is NOT a type of steam power plant?

Accepted Answer

Hydroelectric

Answer

Fossil fuel-fired

Answer

Nuclear

Answer

Combined cycle

Question 2

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

Accepted Answer

Coal

Answer

Natural gas

Answer

Oil

Answer

Wood chips

Question 3

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

Accepted Answer

To condense the steam and remove heat

Answer

To increase the pressure of the steam

Answer

To generate electricity

Answer

To purify the water

Question 4

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

Accepted Answer

To cool the condenser and remove waste heat

Answer

To generate electricity

Answer

To purify the water

Answer

To reduce emissions

Question 5

Which of the following is NOT a crucial component of a steam power plant?

Accepted Answer

Generator

Answer

Boiler

Answer

Condenser

Answer

Turbine

Question 6

What is the primary fuel source for a gas turbine power plant?

Accepted Answer

Natural gas

Answer

Coal

Answer

Oil

Answer

Nuclear

Question 7

Identify the component that is not a part of a standard steam power plant setup.

Accepted Answer

Reactor

Answer

Boiler

Answer

Condenser

Answer

Turbine

Question 8

Which type of power plant utilizes principles from both steam and gas turbine cycles?

Accepted Answer

Combined cycle power plant

Answer

Solar power plant

Answer

Wind power plant

Answer

Geothermal power plant

Question 9

What is the main advantage of combined cycle power plants over conventional steam power plants?

Accepted Answer

Enhanced efficiency

Answer

Reduced emissions

Answer

Greater flexibility

Answer

Lower operating costs

Question 10

In a gas turbine power plant, what is the intercooler's primary function?

Accepted Answer

Cool the compressed air prior to combustion

Answer

Increase the combustion temperature

Answer

Reduce the exhaust gas temperature

Answer

Enhance turbine efficiency

Question 11

In a steam power plant, which of the following components is responsible for generating electricity?

Accepted Answer

Generator

Answer

Boiler

Answer

Turbine

Answer

Condenser

Question 12

What is the primary purpose of the combustion chamber in a gas turbine power plant?

Accepted Answer

To burn fuel to produce hot gases

Answer

To heat air for the turbine

Answer

To cool the exhaust gases

Answer

To convert mechanical energy to electrical energy

Question 13

In a steam power plant, what is the purpose of a reheater?

Accepted Answer

To increase the steam temperature before it enters the turbine

Answer

To reduce the steam pressure before it enters the condenser

Answer

To condense the steam after it leaves the turbine

Answer

To generate electricity

Question 14

Which type of power plant utilizes the combustion of fossil fuels to heat water, turning it into steam that drives a turbine?

Accepted Answer

Steam power plant

Answer

Nuclear power plant

Answer

Gas turbine power plant

Answer

Hydroelectric power plant

Question 15

In a gas turbine power plant, which component is responsible for compressing air prior to combustion?

Accepted Answer

Compressor

Answer

Turbine

Answer

Generator

Question 16

Which of the following is a notable benefit of combined cycle power plants, when compared to conventional steam power plants?

Accepted Answer

Enhanced efficiency due to waste heat recovery

Answer

Lower environmental impact

Answer

Lower construction costs

Answer

Reduced physical footprint

Question 17

What is the primary purpose of the condenser within a steam power plant?

Accepted Answer

To condense steam back into water

Answer

To cool the turbine

Answer

To heat water into steam

Answer

To generate electricity

Question 18

What is the primary advantage of nuclear power plants when compared to fossil fuel power plants?

Accepted Answer

Lower greenhouse gas emissions

Answer

Lower operating costs

Answer

Smaller physical footprint

Answer

Higher conversion efficiency

Question 19

What is the function of an economizer within a steam power plant?

Accepted Answer

To preheat feed water using exhaust gases

Answer

To condense steam

Answer

To cool the turbine

Answer

To generate steam

Question 20

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

Accepted Answer

To dissipate heat from the condenser

Answer

To cool the turbine

Answer

To generate steam