Download App
The efficiency of Carnot engine when source temperature is $T_1$ and sink temperature is $T_2$ will be
  • A$\frac{{{T_1} - {T_2}}}{{{T_1}}}$
  • B$\frac{{{T_2} - {T_1}}}{{{T_2}}}$
  • C$\frac{{{T_1} - {T_2}}}{{{T_2}}}$
  • D$\frac{{{T_1}}}{{{T_2}}}$
Easy
art

Download our app
and 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.*
Download App

Similar Questions

  • 1
    In an adiabatic process, the density of a diatomic gas becomes $32$ times its initial value. The final pressure of the gas is found to be $n$ times the initial pressure. The value of $n$ is
    View Solution
  • 2
    Consider 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 $A$ is
    View Solution
  • 3
    A cylinder with a movable piston contains $3\,moles$ of hydrogen at standard temperature and pressure. The walls of the cylinder are made of a heat insulator, and the piston is insulated by having a pile of sand on it. By what factor does the pressure of the gas increases if the gas is compressed to half its original volume? 
    View Solution
  • 4
    The given diagram shows four processes i.e., isochoric, isobaric, isothermal and adiabatic. The correct assignment of the processes, in the same order is given by
    View Solution
  • 5
    An ideal gas expands according to the law $P^2 V=$ constant. The internal energy of the gas
    View Solution
  • 6
    Heat is given to an ideal gas in an isothermal process.

    $A.$ Internal energy of the gas will decrease.

    $B.$ Internal energy of the gas will increase.

    $C.$ Internal energy of the gas will not change.

    $D.$ The gas will do positive work.

    $E.$ The gas will do negative work.

    Choose the correct answer from the options given below :

    View Solution
  • 7
    The $P-V$ diagram of a certain process (carnot cycle) is as shown. The process is also represent as
    View Solution
  • 8
    $Assertion :$ Thermodynamic process in nature are irreversible.
    $Reason :$ Dissipative effects cannot be eliminated.
    View Solution
  • 9
    $1\, mole$ of an ideal monoatomic gas at temperature $'T_0'$ expands slowly according to the law $P = KV$, where $K$ is a constant. If the final temperature of the gas is $2T_0$. Find the heat supplied to the gas
    View Solution
  • 10
    A gas taken through cyclic process $ABCA$ is shown in figure. If $2.4\,cal.$ of heat is given in the process, what is value of $J$ ...... $J/cal$ (mechanical equivalent of heat)?
    View Solution