The efficiency of carnot engine is $50\%$ and temperature of sink is $500\,K$ . If temperature of source is kept constant and its efficiency raised to $60\%$ , then the required temperature of the sink will be .... $K$
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 reversible engine has an efficiency of $\frac{1}{4}$. If the temperature of the sink is reduced by $58^{\circ} {C}$, its efficiency becomes double. Calculate the temperature of the sink. (In $^{\circ} {C}$)View Solution
- 2In 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
- 3If $\Delta Q$ and $\Delta W$ represent the heat supplied to the system and the work done on the system respectively, then the first law of thermodynamics can be written asView Solution
- 4View SolutionFor an ideal gas, in an isothermal process
- 5If the ratio of specific heat of a gas at constant pressure to that at constant volume is $\gamma $, the change in internal energy of a mass of gas, when the volume changes from $V$ to $2V$ constant pressure $ p$, isView Solution
- 6Areversible adiabatic path on a $P-V$ diagram for an ideal gas passes through stateAwhere $P=0$.$7\times 10^5 \,\,N/ m^{-2}$ and $v = 0.0049 \,\,m^3$. The ratio of specific heat of the gas is $1.4$. The slope of path at $A$ is :View Solution
- 7In a given process for an ideal gas, $dW = 0$ and $dQ < 0.$ Then for the gasView Solution
- 8During an adiabatic process, if the pressure of a gas is found to be proportional to the cube of its absolute temperature, then the ratio of $\frac{C_p}{C_V}$ for the gas is:View Solution
- 9Match List$-I$ with List$-II$View Solution
List$-I$ List$-II$ $(a)$ Isothermal $(i)$ Pressure constant $(b)$ Isochoric $(ii)$ Temperature constant $(c)$ Adiabatic $(iii)$ Volume constant $(d)$ Isobaric $(iv)$ Heat content is constant Choose the correct answer from the options given below
- 10In a heat engine, the temperature of the source and sink are $500\, K$ and $375\, K$. If the engine consumes $25\times10^5\, J$ per cycle, the work done per cycle isView Solution