A type of cycle which involves a series of four internally reversible processes

Question

A type of cycle which involves a series of four internally reversible processes composed of 2 adiabatic processes and two isothermal process which produces the highest possible performance of a cycle. Rankine Vapor Compression Carnot Diesel A common refrigeration cycle which composed of an isobaric heat addition, isentropic compression, isobaric heat rejection, and isenthalpic expansion. Rankine Vapor Compression Carnot Diesel It is refrigeration process where the refrigerant liquid is converted to gas-phase by absorbing heat from ambient air. Evaporator Condenser Compressor Expansion Valve The term which signifies constant temperature process. isenthalpic isobaric isentropic isothermal A process or condition in which heat does not enter or leave the system concerned. isothermal isovolumetric adiabatic isobaric It is the ratio between the actual mass of water vapor present in moist air to the mass of the dry air. thermal ratio humidity ratio drying rate relative humidity A type of air distribution system which uses an underfloor supply plenum located between the structural concrete slab and a raised floor system to supply conditioned air through floor diffusers. underfloor volume control air conditioning active airside economizer an equipment to treat and collect pollutants from air to improve the indoor air quality. vacuum cleaner ventilation fan air cleaner filter A household appliance which reduces the level of humidity in the air. dryer dehumidifier humidifier diffuser It is refrigeration process where the refrigerant gas pressure is to elevated through compression. Evaporator Condenser Expansion Valve Compressor What is the quality of Refrigerant-134a at 0^degreeC having an enthalpy of 100 kJ/kg. 13.5% 25.3% 23.0% 47.5% What is the entropy of a Refrigerant-134a at 3.2 bars. if the quality of the is 60%? 0.2643 U/kg-K 0.4263 kJ/kg-K. 0.3426 kJ/kg-K 0.6342 kJ/kg-K What is the enthalpy of a Refrigerant-134a at 10.0 bars, if the quality of the vapor is 100%? 267.97 kJ/kg 105.29 kJ/kg 279.67 U/kg 150.92 U/lcg What is the entropy of a Refrigerant-134a at -28 'C, if the quality of the vapor is 0%? 0.0464 kJ/kg-K 0.0600 kJ/lcg-K 0.5436 kJ/Tcg-K 0.8564 U/kg-K For a superheated vapor Refrigerant-134a with a pressure of 0.24 MPa, what is the corresponding enthalpy if the entropy is equal to 0.9721 KJ Vg-K? 248.89 kJ/kg 266.85 kJ/kg

Explanation / Answer

1) Ans: Carnots engine

Here we have four step process.

First process is isothermal expansion

second process is adiabatic expansion

third process is isothermal compression

fourth process is adiabatic compression.

So it has two isothermal and two adiabatic process and they are cyclic.

It produces the maximum efficiency which mainly depends on the temperatures of sink and source.

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