Power Generation

Biomass comes from

• Plants like corn

• Animal Fats

• Algae

• All of the above

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which of the methods of generating electricity does NOT use alternative energy resources? 

• Burning natural gas in a power plant

• Turbines spinning in dam

• Solar panels taking in light energy 

• Drilling wells to reach hot rocks deep inside the earth 

Which of the following is a fossil fuel?

• Wind

• Coal

• Solar

• Biomass

What is the primary function of the heavy, airtight casing in a turbine?

• To reduce noise

• To withstand internal pressure

• To increase efficiency

• To cool the turbine

Tags

NGSS.HS-PS2-3

What is a rotor in the context of a turbine?

• A series of closely spaced angled blades fixed rigidly to a shaft

• A device that extracts waste heat from flue gases

• A component that remains stationary inside the turbine

• A part that condenses steam back to liquid water

What is the purpose of the reheater in a power plant?

• To condense steam back to liquid water

• To raise the temperature of steam without increasing its pressure

• To purify feedwater

• To generate electrical power

Tags

NGSS.HS-PS3-4

What is 'nuclear fission' according to the text?

• A form of energy associated with the bonds between particles

• A process in which an atomic nucleus splits into lighter nuclei and releases energy

• A type of radiant energy emitted by current flowing through a conductor

• A form of energy associated with the deformation of a material

Tags

NGSS.HS-PS1-8

In a steam power plant, what device transfers heat from the furnace exhaust gases to the steam en route from the high-pressure turbine to the intermediate-pressure turbine?

• Superheater

• Switchyard

• Reheater

• Steam drum

Which of the following shows the correct energy change in a hydroelectric power plant?

• Gravitational potential energy --> kinetic energy --> electrical energy

• Kinetic energy --> electrical energy

• Chemical energy --> heat energy --> kinetic energy --> electrical energy

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-3

What is the energy source of the power station shown in the diagram?

• Water

• Wind

• Natural gas

• Nuclear fuel
  (Radioactive substances)

Tags

NGSS.HS-PS3-1