A control volume refers to Thermodynamics Mcqs October 12, 2019 BILAL KHATTAK0 A.fixed region is space B.a difinite mass C.a closed system D.an isolated systemRelated Mcqs:An open systemA systemAn isolated systemA stream lineIf a system neither exchange mass nor energy with the surroundings, it is known asThe chairman initiated the proceedings with a brief speech.The ration of volume of pores in the soil to the total soil volume is referred to as:?A system consisting of more than one phase is known asA system comprising a single phase is called aA mixture of liquid and vapour Freon in a vessel is an example of