Energy from Ocean: Tidal Power Quiz

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What type of energy is harnessed by tidal power plants?

Wind energy

Hydro energy (correct)

Solar energy

Geothermal energy

What is the primary focus of a single basin tidal power plant?

Harnessing the chemical energy of the ocean

Harnessing the energy generated by the rise and fall of ocean tides

Harnessing the kinetic energy of moving water currents (correct)

Harnessing the thermal energy of the ocean

What is the principle of operation of tidal stream generators?

Using tidal currents to rotate turbines (correct)

Using tidal currents to generate hydrogen

Using tidal currents to pump water

Using tidal currents to heat water

What is the advantage of tidal power generation compared to other forms of energy?

Less environmental impact Signup and view all the answers

How do tidal kite systems generate electricity?

By using tidal currents to move a kite in a figure-eight pattern Signup and view all the answers

What is the pattern of motion of the tidal kite in a tidal kite system?

Figure-eight pattern Signup and view all the answers

Where are tidal stream generators typically placed?

On the seabed in areas with strong tidal currents Signup and view all the answers

What is the purpose of the turbines in a tidal power plant?

To rotate and drive generators to produce electricity Signup and view all the answers

What is the characteristic of tidal currents that makes them useful for tidal power generation?

Predictable and consistent Signup and view all the answers

What type of energy is captured by tidal stream generators?

Kinetic energy Signup and view all the answers

What is a major advantage of two-basin tidal power plants?

High potential for energy generation due to the large tidal range Signup and view all the answers

What is the primary purpose of a tidal barrage in a tidal range power plant?

To control the flow of water between the sea and the estuary Signup and view all the answers

During which stage of the tidal cycle is the potential energy stored in the upper basin?

During high tide Signup and view all the answers

What determines the potential energy available for electricity generation in a tidal range power plant?

The tidal range Signup and view all the answers

What is the main advantage of a two-basin tidal power plant over a tidal range power plant?

It offers more flexibility in controlling water flow between basins Signup and view all the answers

What is the purpose of the sluice gates in a tidal range power plant?

To control the flow of water between the sea and the estuary Signup and view all the answers

What happens during the low tide stage of the tidal cycle in a tidal range power plant?

The water flows from the upper basin to the lower basin Signup and view all the answers

How often does the tidal cycle typically occur?

Twice a day Signup and view all the answers

What is the main advantage of tidal power plants in terms of energy generation?

They have a predictable energy output Signup and view all the answers

What is the purpose of the turbines in a tidal range power plant?

To generate electricity Signup and view all the answers

What is the main factor that affects the amount of water that can be stored and released in tidal power plants?

Basin size Signup and view all the answers

What is the primary advantage of tidal power plants?

Predictable and reliable electricity Signup and view all the answers

What is the principle of operation of OTEC systems?

Utilizing the temperature difference between the ocean's surface and deeper layers Signup and view all the answers

What is the primary function of the heat exchanger in an OTEC system?

To vaporize the working fluid Signup and view all the answers

What is the main difference between closed-cycle and open-cycle OTEC systems?

The type of working fluid used Signup and view all the answers

What is the primary advantage of OTEC systems over other forms of energy generation?

Low environmental impact Signup and view all the answers

What is the main challenge in the commercial deployment of OTEC systems?

All of the above Signup and view all the answers

What is the purpose of the cold seawater in an OTEC system?

To condense the vaporized fluid Signup and view all the answers

What is the primary benefit of OTEC systems in terms of power generation?

Continuous power generation Signup and view all the answers

What is the main advantage of hybrid OTEC systems?

Improved efficiency Signup and view all the answers

Which phase involves warm surface seawater vaporizing a low-boiling-point fluid in the Open Cycle OTEC system?

Vaporization Signup and view all the answers

In the Closed Cycle OTEC system, which component is responsible for condensing the working fluid back into a liquid?

Condenser Signup and view all the answers

What is a key difference between the Open and Closed Cycle OTEC systems?

The use of a separate working fluid Signup and view all the answers

What is the purpose of the Turbine in both Open and Closed Cycle OTEC systems?

To drive a generator and produce electricity Signup and view all the answers

Which OTEC system has a design that is simpler but is limited by the availability of warm seawater?

Open Cycle OTEC Signup and view all the answers

In the Closed Cycle OTEC system, what is the role of the warm seawater?

To drive a turbine Signup and view all the answers

What happens to the working fluid in the Open Cycle OTEC system after it drives the turbine?

It is discharged back into the ocean Signup and view all the answers

Which component helps in maintaining a continuous closed loop in the Closed Cycle OTEC system?

Condenser Signup and view all the answers

Where does the cold seawater from the deep layers flow in the Open Cycle OTEC system?

Condenser Signup and view all the answers

What is the primary function of the low-boiling-point fluid in OTEC systems?

To absorb heat and vaporize Signup and view all the answers

Energy from Ocean: Tidal Power Quiz

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Questions and Answers

What type of energy is harnessed by tidal power plants?

What is the primary focus of a single basin tidal power plant?

What is the principle of operation of tidal stream generators?

What is the advantage of tidal power generation compared to other forms of energy?

How do tidal kite systems generate electricity?

What is the pattern of motion of the tidal kite in a tidal kite system?

Where are tidal stream generators typically placed?

What is the purpose of the turbines in a tidal power plant?

What is the characteristic of tidal currents that makes them useful for tidal power generation?

What type of energy is captured by tidal stream generators?

What is a major advantage of two-basin tidal power plants?

What is the primary purpose of a tidal barrage in a tidal range power plant?

During which stage of the tidal cycle is the potential energy stored in the upper basin?

What determines the potential energy available for electricity generation in a tidal range power plant?

What is the main advantage of a two-basin tidal power plant over a tidal range power plant?

What is the purpose of the sluice gates in a tidal range power plant?

What happens during the low tide stage of the tidal cycle in a tidal range power plant?

How often does the tidal cycle typically occur?

What is the main advantage of tidal power plants in terms of energy generation?

What is the purpose of the turbines in a tidal range power plant?

What is the main factor that affects the amount of water that can be stored and released in tidal power plants?

What is the primary advantage of tidal power plants?

What is the principle of operation of OTEC systems?

What is the primary function of the heat exchanger in an OTEC system?

What is the main difference between closed-cycle and open-cycle OTEC systems?

What is the primary advantage of OTEC systems over other forms of energy generation?

What is the main challenge in the commercial deployment of OTEC systems?

What is the purpose of the cold seawater in an OTEC system?

What is the primary benefit of OTEC systems in terms of power generation?

What is the main advantage of hybrid OTEC systems?

Which phase involves warm surface seawater vaporizing a low-boiling-point fluid in the Open Cycle OTEC system?

In the Closed Cycle OTEC system, which component is responsible for condensing the working fluid back into a liquid?

What is a key difference between the Open and Closed Cycle OTEC systems?

What is the purpose of the Turbine in both Open and Closed Cycle OTEC systems?

Which OTEC system has a design that is simpler but is limited by the availability of warm seawater?

In the Closed Cycle OTEC system, what is the role of the warm seawater?

What happens to the working fluid in the Open Cycle OTEC system after it drives the turbine?

Which component helps in maintaining a continuous closed loop in the Closed Cycle OTEC system?

Where does the cold seawater from the deep layers flow in the Open Cycle OTEC system?

What is the primary function of the low-boiling-point fluid in OTEC systems?

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