Advertisements
Advertisements
प्रश्न
Explain graphically (i) positive work with varying pressure, (ii) negative work with varying pressure, and (iii) positive work at constant pressure.
उत्तर
- p-V diagram showing positive work with varying pressure:
- p-V diagram showing negative work with varying pressure:
- p-V diagram showing positive work at constant pressure:
संबंधित प्रश्न
For work done to be reversible, the process should be ______
What is a thermodynamic process?
State the assumptions made for thermodynamic processes.
Differentiate between the reversible and irreversible processes.
Explain the thermodynamics of the isochoric process.
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.
Apply first law for an isobaric process.
Give an equation state for an isochoric process.
Draw the PV diagram for the isobaric process.
What is meant by a reversible and irreversible processes?
Can the given heat energy be completely converted to work in a cyclic process? If not, when can the heat can completely converted to work?
Derive the work done in an adiabatic process.
An ideal gas is taken in a cyclic process as shown in the figure. Calculate
- work done by the gas
- work done on the gas
- Net work done in the process
An ideal gas is made to go from a state A to stale B in the given two different ways (see figure) (i) an isobaric and then an isochoric process and (ii) an isochoric and then an isobaric process. The work done by gas in the two processes are W1 and W2 respectively. 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 ____________.
For an isothermal expansion of a perfect gas, the value of `(Delta "P")/"P"` is equal to ____________.
An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in the maximum work done on the gas?
We consider a thermodynamic system. If `Delta"U"` represents the increase in its internal energy and W the work done by the system, which of the following statements is true?
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?
In the figure shown here, the work done in the process ACBA is ______.
Explain the thermodynamic process.
When an inflated ballon is suddenly burst, why is the emerging air slightly cooled?
