Articles Posted in the " Vapor Power Cycles " Category

  • mcqs: change of entropy-Carnot cycle

    mcqs: change of entropy-Carnot cycle

    mcqs: change of entropy-Carnot cycle Keywords:change of entropy- Carnot cycle Entropy of a refrigerant is zero in S.I. units at a temperature of 00C -400C +1000C (None Ans: (ii) Change of entropy during heating at constant pressure is equal to Cpln(T2/T1) Cpln(V2/V1) Cpln(T2/T1)+ Cpln(V2/V1) None Ans: (i) Change of entropy from p1 to p2 under […]


  • * Definition of an engine and various types of engines

    * Definition of an engine and various types of engines

    Definition of an engine and various types of engines ENGINE Definition of an engine An engine is a device which does two functions (i)Produces motion (produces power) as in a scooter/bike, car, bus, train and aircraft (ii) Produces electricity as in generators and vehicles An engine is also a prime mover.    TYPES OF ENGINES […]


  • *THERMODYNAMIC CYCLES

    *THERMODYNAMIC CYCLES

    THERMODYNAMIC CYCLES (WITH SEQUENCE OF THERMODYNAMIC PROCESSES)  A Thermodynamic Cycle consists of thermodynamic processes in series such that system returns to its initial starting point. (a)    POWER CYCLES (HEAT ENGINE CYCLES) WITH EXTERNAL COMBUSTION Cycle Process 1—2(compression) Process 2—3(heat addition) Process 3—4(Expansion) Process 4—1(Heat rejection) Remarks CARNOT CYCLE ISENTROPIC ISOTHERMAL ISENTROPIC ISOTHERMAL IDEAL HEAT ENGINE […]