Insert the prepositions wherever necessary. 1. Thermodynamics deals ______ the conversion ______ mechanical energy _____ thermal energy. 2. The production ______ heat _____mechanical means may be illustrated ______ the phenomenon ______ friction. 3. A heat engine is a machine ______ transforming heat _______ mechanical energy. 4. To transform energy ______ any ______ its numerous forms ______ heat is a comparatively simple process. 5. ______the case ______ the ideal reversible process, there is no change ______ the quantity ______ available energy. 6. No change ______ a system ______ bodies that takes place ______ itself can increase the available energy ______ the system. 10. Make up dialogues on the following topics using the introductory and connective words.
With, of, inOf, the, by, inOf, byTo, of, inIn, of, in, ofIn, of, in, of
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With of in of the by in of by to of in in of in of in of in of