Q. Active solar drying systems control _______ by fans.

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Q. Solar air collectors transfer sun’s thermal energy to air via ______

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Q. Solar concentrators are used for temperatures beyond 500 degree Celsius.

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Q. Solar heat industrial systems are used for desalination.

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Q. Which of the following are types of photovoltaic refrigeration?

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Q. What is a solar powered refrigerator?

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Q. What is refrigeration?

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Q. What are the types of popular refrigeration systems?

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Q. Vapour compression refrigeration systems use ______ energy to perform compression.

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Q. What type of energy does vapour absorption refrigeration system use?

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Q. Which of the following refrigeration systems are used in air-conditioning systems?

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Q. Which of the following best describes the process of vapour compression refrigeration?

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Q. What does a refrigerant do in a vapour compression refrigeration system?

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Q. Which of the following is an example of a refrigerant?

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Q. How does a photovoltaic refrigeration system work?

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Q. It is important to ensure that _______ characteristics of motor matches that of PV array.

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Q. How does the compression process between vapour compression and vapour absorption systems differ?

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Q. Solar thermal energy is used to perform vapour absorption refrigeration.

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Q. Freon is a trade for a family of haloalkane refrigerants.

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Q. Solar air conditioning system uses _______ as its energy source.

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