Are these statements about the natural refrigerants true?Statement 1: Propane and isobutene are natural refrigerants.Statement 2: These are produced from nature’s bio-chemical processes.

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Heat Transfer Applications topics include: Continuous flow heat exchangers, batch and plate heat exchangers, food thermal properties, thermal processing, pasteurization, sterilization, refrigeration, chilling and freezing. Heat transfer methods are used in many fields, including: Automotive engineering Thermal management of electronic devices and systems Climate control Insulation Materials processing Chemical engineering Power station engineering  Here are some applications of heat transfer: Food industry: Heat transfer is important in the design of equipment and the quality of the... Show more

Are these statements about the natural refrigerants true?<br />Statement 1: Propane and isobutene are natural refrigerants.<br />Statement 2: These are produced from nature’s bio-chemical processes.