Why is throttling valve not replaced by an isentropic turbine in the ideal Vapour compression refrigeration cycle?

Why is throttling valve not replaced by an isentropic turbine in the ideal Vapour compression refrigeration cycle? Why is the throttling value not replaced by an isentropic turbine in the ideal vapour compression refrigeration cycle? Because the feed is a liquid and the effluent is fairly low quality, the average specific volume of the working […]

What do scientists work to answer questions about?

What do scientists work to answer questions about? Scientists find answers using tests: When scientists want to answer a question, they search for evidence using experiments. An experiment is a test to see if their explanation is right or wrong. Evidence is made up of the observations a scientist makes during an experiment. What are […]

How do you measure strain with strain gauge?

How do you measure strain with strain gauge? Therefore, to measure the strain, you have to accurately measure very small changes in resistance. For example, suppose a test specimen undergoes a strain of 500 me. A strain gage with a GF of 2 exhibits a change in electrical resistance of only 2 (500 x 10-6) […]

What is preventive and predictive maintenance?

What is preventive and predictive maintenance? Preventive maintenance (PM) is work that is scheduled based on calendar time, asset runtime, or some other period of time. Predictive maintenance (PdM) is work that is scheduled as-needed based on real time conditions of assets. What is the component required for predictive maintenance? Some of the main components […]

Can I build house without pillar?

Can I build house without pillar? It depends on span of your house slab. And without pillars means no open column , it has to be hide in wall. Generally 6–8 M span you can but more than that you have to make strong structure and spacial structure if you want. So,yes you can do […]

What are the desirable properties of hydraulic fluid?

What are the desirable properties of hydraulic fluid? Characteristics of a Good Hydraulic Fluid Viscosity. Viscosity is a measure of a hydraulic fluid’s resistance to flow. Compressibility. Compressibility is a measure of the amount of volume reduction due to pressure. Wear Resistance. Oxidation Stability. Thermal Stability. Filterability. Rust and Corrosion Protection. Foam Resistance. What is […]

What is the driving force for recrystallization?

What is the driving force for recrystallization? The main driving force for recrystallization to occur is the stored energy during straining in the form of crystalline defects. In a region exempt of defects, surrounded by high angle boundaries, recrystallization proceeds by growth of this “nucleus” over the yet non-recrystallized matrix. How does cold working affect […]

Which refrigerant is used in Vapour compression cycle?

Which refrigerant is used in Vapour compression cycle? The most common include ammonia, Freon (and other chlorofluorocarbon refrigerants, aka CFCs), and HFC-134a (a non-toxic hydrofluorocarbon). The Vapor-Compression Refrigeration Cycle is comprised of four steps. The conceptual figure of the process shows the PV changes during each part. Which fluid can be used in Vapour refrigeration? […]

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