Thermodynamics questions
1906 published questions with worked solutions.
- For adiabatic process ( = C_p C_v ) [K CET 1999, MP PET 1995, CPMT 2003]
- 110 J of heat is added to a gaseous system, whose internal energy change is 40 J, then the amount of external work done is
- The pressure P, volume V and temperature T for a certain gas are related by P = AT - BT^2 V , where A and B are constants. The...
- 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...
- An ideal Carnot engine takes heat form a source at 317℃, does some external work and delivers the remaining energy to a heat sink...
- A Carnot engine operating between temperatures T_1 and T_2 has efficiency 1/6. When T_2 is lowered by 62 K, its efficiency...
- A carnot engine having an efficiency of = 1/10 as heat engine is used as a refrigerator. If the work done on the system is 10 J,...
- The work of 146 kJ is performed in order to compress one kilo mole of a gas adiabatically and in this process the temperature of...
- A perfect gas goes from state A to another state B by absorbing 8 10^5 J of heat and doing 6.5 10^5 J of external work. It is now...
- A diatomic ideal gas is used in a Carnot engine as the working substance. If during the adiabatic expansion part of the cycle,...
- A monoatomic gas at a pressure P, having a volume V expands isothermally to a volume 2 V and then adiabatically to a volumes 16...
- Statement 1: Thermodynamic processes in nature are irreversible Statement 2: Dissipative effects cannot be eliminated
- Statement 1: In an isolated system, the entropy increases Statement 2: The processes in an isolated system are adiabatic
- Consider a spherical shell of radius R at temperature T. The black body radiation inside it can be considered as an ideal gas of...
- A reversible engine converts one third input into work. When the temperature of the sink is reduced by 62℃, then efficiency of...
- One mole of an ideal gas at temperature T is cooled isochorically till the gas pressure drops from P to P n . Then, the gas was...
- A container with insulating walls is divided into two equal parts by a partition fitted with a valve. One part is filled with an...
- A diatomic gas undergoes adiabatic change. Its pressure 'P' and temperature 'T' are related as P T^x, where x is [MHT-CET 2023]
- A monoatomic gas of pressure 'P' having volume 'V' expands isothermally to a volume '2V' and then adiabatically to a volume...
- One mole of a diatomic gas does a work Q3, when the amount of heat supplied is 'Q'. In this process, the molar heat capacity of...
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