Solar Power and the Sun Quiz

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What is the main purpose of a Flat Plate Collector?

To store solar energy for later use
To convert solar energy into heat energy (correct)
To cool down water and air
To generate electricity directly from sunlight

Which type of solar collector is suitable for high temperature applications?

Non-Concentrating/ Stationary
Oil-based Solar Collectors
Flat Plate Collectors
Concentrating/ Sun-Tracking (correct)

What is the main advantage of Concentrating/ Sun-Tracking solar collectors?

They have concave reflecting surfaces
They track the sun, increasing radiation flux (correct)
They are suitable for low temperature applications
They are permanently fixed in position

Which working fluids are commonly used in Flat Plate Collectors?

Water and air (C) Signup and view all the answers

What is the function of the concave reflecting surfaces in Concentrating Solar Collectors?

To intercept and focus solar beams to increase radiation flux (B) Signup and view all the answers

In which type of solar collector does atmospheric turbidity have a greater impact on performance?

Concentrating/ Sun-Tracking (B) Signup and view all the answers

What is the primary function of PV modules?

Convert sunlight into electricity (C) Signup and view all the answers

Which material is commonly used in the construction of PV cells?

Silicon (A) Signup and view all the answers

What does doping in the context of PV cells involve?

Adding atoms with different number of electrons to create an unbalanced number of electrons to the base material (A) Signup and view all the answers

What is the main function of a P-N junction in a PV cell?

Creates a potential barrier and electric field for unidirectional flow of electrons (D) Signup and view all the answers

What is the result of electrons moving to the p-type silicon and holes to the n-type silicon in a PV cell?

Builds up a fixed potential barrier at the junction opposing further movement of free carriers (C) Signup and view all the answers

In a solar thermal power plant, what is the primary role of photovoltaics?

Converting sunlight into electricity (C) Signup and view all the answers

What is the main purpose of a solar collector?

To absorb solar radiation and convert it into heat (D) Signup and view all the answers

Which of the following is a common agricultural application of solar energy?

Using solar energy for grain drying (D) Signup and view all the answers

What does solar-thermal conversion involve?

Converting solar radiation to heat for various applications (A) Signup and view all the answers

What is the impact of atmospheric turbidity on solar radiation?

It reduces the intensity of solar radiation reaching the Earth's surface (B) Signup and view all the answers

In crop and grain drying methods, what role do simple natural convection-type dryers play?

They use solar energy to facilitate drying through air circulation (B) Signup and view all the answers

How does a solar cabinet-type dryer function in crop and grain drying?

By employing a closed system that uses solar energy to dry crops efficiently (D) Signup and view all the answers

Solar Power and the Sun Quiz

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Questions and Answers

What is the main purpose of a Flat Plate Collector?

Which type of solar collector is suitable for high temperature applications?

What is the main advantage of Concentrating/ Sun-Tracking solar collectors?

Which working fluids are commonly used in Flat Plate Collectors?

What is the function of the concave reflecting surfaces in Concentrating Solar Collectors?

In which type of solar collector does atmospheric turbidity have a greater impact on performance?

What is the primary function of PV modules?

Which material is commonly used in the construction of PV cells?

What does doping in the context of PV cells involve?

What is the main function of a P-N junction in a PV cell?

What is the result of electrons moving to the p-type silicon and holes to the n-type silicon in a PV cell?

In a solar thermal power plant, what is the primary role of photovoltaics?

What is the main purpose of a solar collector?

Which of the following is a common agricultural application of solar energy?

What does solar-thermal conversion involve?

What is the impact of atmospheric turbidity on solar radiation?

In crop and grain drying methods, what role do simple natural convection-type dryers play?

How does a solar cabinet-type dryer function in crop and grain drying?

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