Carnot cycle is plotted in $P-V$ graph. Which portion represents an isothermal expansion?
  • A$A B$
  • B$B C$
  • C$C D$
  • D$D A$
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.*

Similar Questions

  • 1
    Find $V_B = ?$
    View Solution
  • 2
    In a thermodynamic process, pressure of a fixed mass of a gas is changed in such a manner that the gas molecules gives out $20 J$ of heat and $10 J$ of work is done on the gas. If the initial internal energy of the gas was $40 J,$ then the final internal energy will be ........ $J$
    View Solution
  • 3
    In the $P-V$ diagram, $I$ is the initial state and $F$ is the final state. The gas goes from $I$ to $F$ by $(i)\,IAF,\,\,(ii)\,IBF,\,\,(iii) ICF$. The heat absorbed by the gas is
    View Solution
  • 4
    The volume of air increases by $5\%$ in its adiabatic expansion. The percentage decrease in its pressure will be ...... $\%$
    View Solution
  • 5
    A Carnot’s engine is made to work between $200°C$ and $0°C$ first and then between $0°C$ and $-200°C.$ The ratio of efficiencies of the engine in the two cases is
    View Solution
  • 6
    $P_i, V_i$ and $P_f$, $V_f$ are initial and final pressures and volumes of a gas in a thermodynamic process respectively. If $PV^n =$ constant, then the amount of work done is 
    View Solution
  • 7
    The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is ........ $\%$
    View Solution
  • 8
    A diatomic gas $(\gamma=1.4)$ does $400 J$ of work when it is expanded isobarically. The heat given to the gas in the process is ............ $J$
    View Solution
  • 9
    A gas is compressed at a constant pressure of $50N/{m^2}$ from a volume of $10{m^3}$ to a volume of $4{m^3}$. Energy of $100 J$ then added to the gas by heating. Its internal energy is
    View Solution
  • 10
    Heat energy of $735\,J$ is given to a diatomic gas allowing the gas to expand at constant pressure. Each gas molecule rotates around an internal axis but do not oscillate. The increase in the internal energy of the gas will be $..........\,J$
    View Solution