Advertisements
Advertisements
प्रश्न
What is a thermodynamic process?
Advertisements
उत्तर
A thermodynamic process is the change of state of a thermodynamic system due to the exchange of heat or work with its surroundings is called a thermodynamic process.
APPEARS IN
संबंधित प्रश्न
For work done to be reversible, the process should be ______
Heating a gas in a constant volume container is an example of which process?
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.
Explain the thermodynamics of the isobaric process.
When food is cooked in a vessel by keeping the lid closed, after some time the steam pushes the lid outward. By considering the steam as a thermodynamic system, then in the cooking process
When you exercise in the morning, by considering your body as a thermodynamic system, which of the following is true?
Draw the PV diagram for the isochoric process.
Explain in detail the isothermal process.
Explain in detail an adiabatic process.
Explain the isobaric process and derive the work done in this process.
What are the limitations of the first law of thermodynamics?
Draw the TP diagram (P-x axis, T-y axis), VT(T-x axis, V-y axis) diagram for
- Isochoric process
- Isothermal process
- Isobaric process
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)
In a petrol engine, (internal combustion engine) air at atmospheric pressure and temperature of 20°C is compressed in the cylinder by the piston to `1/8` of its original volume. Calculate the temperature of the compressed air. (For air γ = 1.4)
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
- the work done by the gas
- change in internal energy of the gas
- graph this process in PV and TV diagram
A monoatomic gas of pressure p having volume V expands isothermally to a volume 2V and then adiabatically to a volume 16V. The final pressure of the gas is ____________.
`("ratio of specific heats" = 5/3)`
Among the amount of heat absorbed and the amount of work done by a system, ______
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) ____________.
In an isothermal process, the volume of an ideal gas is halved. One can say that ____________.
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?
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")`
Consider P-V diagram for an ideal gas shown in figure.
Out of the following diagrams (figure), which represents the T-P diagram?
 (i) |
 (ii) |
 (iii) |
 (iv) |
In the figure shown here, the work done in the process ACBA is ______.
Explain how can a gas be expanded at constant temperature.
