Thermodynamics questions
1906 published questions with worked solutions.
- A gas expands with temperature according to the relation V = kT^ 2/3 . Calculate work done when the temperature changes by 60 K.
- A given mass of a gas is compressed isothermally until its pressure is doubled. It is then allowed to expand adiabatically until...
- During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its temperature. The ratio of C_p...
- We consider a thermodynamic system. If U represents the increase in its internal energy and W is the work done by the system,...
- A gas expands adiabatically at constant pressure, such that its temperature T 1 V . The value of C_p/C_V of the gas is [MHT CET...
- The state of a thermodynamic system is represented by [MHT CET 2004]
- If is the coefficient of performance of a refrigerator and 'Q_1' is heat released to the hot reservoir, then the heat extracted...
- For a heat engine operating between temperatures t_1 °C and t_2 °C, its efficiency will be [MHT-CET 2023]
- The initial pressure and volume of a gas is 'P' and 'V' respectively. First by isothermal process gas is expanded to volume '9V'...
- If ' Q' is the amount of heat supplied to 'n' moles of a diatomic gas at constant pressure. ' U' is the change in internal energy...
- Ideal gas for which ' ' = 1.5 is suddenly compressed to 1/4^ th of its initial volume. The ratio of the final pressure to the...
- An ideal gas at 27°C is compressed adiabatically to (8/27) of its original volume. If ratio of specific heats, =5/3 then the rise...
- In order to compress one kilo mole of a gas adiabatically, the work of 124 kJ is performed and in this process temperature of the...
- A container of volume 1 m^3 is divided into two equal parts by partition. One part has an ideal gas at 300 K and the other part...
- Which one of the following is NOT true statement for an isothermal process? [MHT-CET 2023]
- An ideal gas at 27°C is compressed adiabatically to ( 8 27 ) of its original volume. If the ratio of specific heats ( ) is ( 53 )...
- An ideal gas at pressure 'p' is adiabatically compressed so that its density becomes twice that of the initial. If = c_p c_V =...
- Which one of the following statements is wrong for an isobaric process? [MHT-CET 2022]
- One mole of an ideal gas expands adiabatically at constant pressure such that its temperature T 1 V . The value of for the gas is...
- The relation obeyed by a perfect gas during an adiabatic process is PV^ 3/2 . The initial temperature of the gas is 'T'. When the...
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