Q. How do wet clothes laid on wired lines dry under sunlight?

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Q. Which of the following surface is best suited to absorb sunlight?

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Q. How does an indirect solar dryer work?

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Q. Why is direct solar dryer harmful for food?

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Q. Indirect solar dryers protect the food.

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Q. _______ are used as air exhausts in indirect solar dryers.

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Q. A glass cover _______ solar dryers.

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Q. Which of the following best explains the increment in efficiency of a glass covered solar dryer?

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Q. Which of the following is an example of indirect solar dryer?

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Q. Indirect solar dryers work on natural air convection.

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Q. What is solar distillation?

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Q. Which of the following houses the process of solar distillation?

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Q. Which of the following is a configuration of solar still?

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Q. Which of the following best describes the process of solar distillation?

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Q. Which of the following is an example of solar distillation?

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Q. What are the two categories of solar still?

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Q. What do the two categories of solar still namely, active and passive depict?

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Q. What is an active solar still?

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Q. Which of the following are examples of active solar stills?

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Q. Active stills demote faster and larger quantities of freshwater generation.

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