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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Draw a p-V diagram of the irreversible process.

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प्रश्न

Draw a p-V diagram of the irreversible process. 

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उत्तर

p-V diagram of the irreversible process:

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पाठ 4: Thermodynamics - Short Answer I

संबंधित प्रश्‍न

Explain why The climate of a harbour town is more temperate than that of a town in a desert at the same latitude.


A thermodynamic system is taken from an original state to an intermediate state by the linear process shown in Figure

Its volume is then reduced to the original value from E to F by an isobaric process. Calculate the total work done by the gas from D to E to F


An ideal gas is taken through an isothermal process. If it does 2000 J of work on its environment, how much heat is added to it?


Draw a p-V diagram showing positive work with varying pressure. 


Draw a p-V diagram showing negative work with varying pressure. 


Draw a p-V diagram showing positive work at constant pressure. 


State the assumptions made for thermodynamic processes.


Explain graphically (i) positive work with varying pressure, (ii) negative work with varying pressure, and (iii) positive work at constant pressure. 


When a cycle tyre suddenly bursts, the air inside the tyre expands. This process is ____________.


Give the equation of state for an isothermal process.


Apply first law for an isothermal process.


Give the equation of state for an adiabatic process.


Draw the PV diagram for the isobaric process.


What is a cyclic process?


What is meant by a reversible and irreversible processes?


Explain in detail an adiabatic process.


What are the limitations of the first law of thermodynamics?


In an adiabatic expansion of the air, the volume is increased by 4%, what is the percentage change in pressure? (For air γ = 1.4)


An ideal gas is taken in a cyclic process as shown in the figure. Calculate

  1. work done by the gas
  2. work done on the gas
  3. Net work done in the process


For a given ideal gas 6 × 105 J heat energy is supplied and the volume of gas is increased from 4 m3 to 6 m3 at atmospheric pressure. Calculate

  1. the work done by the gas
  2. change in internal energy of the gas
  3. graph this process in PV and TV diagram

An ideal gas is expanded isothermally from volume V1 to volume V2 and then compressed adiabatically to original volume V1. If the initial pressure is P1, the final pressure is P3 and net work done is W, then ____________.


One mole of an ideal gas with `gamma` = 1.4 is adiabatically compressed so that its temperature rises from 27° C to 47° C. The change in the internal energy of the gas is (R = 8.3 J/mol.K) ____________.


Two identical samples of a gas are allowed to expand (i) isothermally (ii) adiabatically. Work done is ____________.


Ideal gas for which 'ϒ' = 1.5 is suddenly compressed to `1/4`th of its initial volume. The ratio of 4 the final pressure to the initial pressure is ______.

 `(ϒ = "C"_"p"/"C"_"v")`


Which of the following processes is reversible?  


Give any two types of a thermodynamic process.


An ideal gas is taken through a cyclic process ABCDA as shown in figure. The net work done by the gas during the cycle is ______.


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