 
			 
			MCQOPTIONS
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				| 1. | A process in which the working substance neither receives nor gives out heat to its surroundings durings its expansion or contraction is called | 
| A. | Isothermal process | 
| B. | Isentropic process | 
| C. | Polytropic process | 
| D. | Adiabatic process | 
| Answer» E. | |