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question_answer1) On which days the solar water heater cannot be used to get hot water?
question_answer2) What kind of mirror is used in solar cooker?
question_answer3) Which one of the following is used as a fuel at nuclear power plant?
question_answer4) How much time does a biogas plant take to become operative?
question_answer5) Which one of the following agent decomposes animal wastes into biogas?
question_answer6) Which one of the following sources of energy is not ultimately derived from sun's energy?
question_answer7) Which one of the following reactions takes places in nuclear power plant?
question_answer8) One electron volt is equivalent to:
question_answer9) The calorific value of charcoal is:
question_answer10) Petroleum is founded trapped in:
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