For an ideal heat engine, the temperature of the source is $127\,^{\circ} C$. In order to have $60\, \%$ efficiency the temperature of the sink should be $........\,{ }^{\circ} C$. (Round off to the Nearest Integer)
JEE MAIN 2021, Medium
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1A thermodynamic system is taken from an original state $A$ to an intermediate state $B$ by a linear process as shown in the figure. It's volume is then reduced to the original value from $B$ to $C$ by an isobaric process. The total work done by the gas from $A$ to $B$ and $B$ to $C$ would be :View Solution
- 2$N$ moles of an ideal diatomic gas are in a cylinder at temperature $T$. suppose on supplying heat to the gas, its temperature remain constant but $n$ moles get dissociated into atoms. Heat supplied to the gas isView Solution
- 3In a mechanical refrigerator, the low temperature coils are at a temperature of $-23°C$ and the compressed gas in the condenser has a temperature of $27°C.$ The theoretical coefficient of performance isView Solution
- 4$\Delta U + \Delta W = 0$ is valid forView Solution
- 5One mole of an ideal gas at $27^{\circ} {C}$ is taken from ${A}$ to ${B}$ as shown in the given ${PV}$ indicator diagram. The work done by the system will be $......\times 10^{-1} \,{J}$View Solution
[Given : $R=8.3\, {J} /\,mole\,{K}, \ln 2=0.6931$ ] (Round off to the nearest integer)
- 6View SolutionTwo gases have the same initial pressure, volume and temperatue. They expand to the same final volume, one adiabatically and the other isothermally, if the two gases are compressed to the same final volume
- 7An engine is supposed to operate between two reservoirs at temperature $727°C$ and $227°C.$ The maximum possible efficiency of such an engine isView Solution
- 8An ideal gas expands isothermally along $ab$ and does $600\,J$ of work. During the processView Solution
- 9Consider two containers $A$ and $B$ containing identical gases at the same pressure, volume and temperature. The gas in container $A$ is compressed to half of its original volume isothermally while the gas in container $B$ is compressed to half of its original value adiabatically. The ratio of final pressure of gas in $B$ to that of gas in $A$ isView Solution
- 10View SolutionFor free expansion of the gas which of the following is true