A Carnot engine has efficiency $25\%$ . It operates between reservoirs of constant temperature with temperature difference of $80\,K$ . What is the temperature of low temperature reservoir ...... $^oC$
  • A$-22$
  • B$25$
  • C$-33$
  • D$33$
Medium
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
    If $\Delta U$ and $\Delta W$ represent the increase in internal energy and work done by the system respectively in a thermodynamical process, which of the following is true?
    View Solution
  • 2
    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)
    View Solution
  • 3
    A given system undergoes a change in which the work done by the system equals the decrease in its internal energy. The system must have undergone an
    View Solution
  • 4
    During an experiment, an ideal gas is found to obey a condition $VP^2 =$ constant. The gas is initially at a temperature $T$, pressure $P$ and volume $V.$ The gas expands to volume $4V$. 
    View Solution
  • 5
    A Carnot engine with efficiency $50\,\%$ takes heat from a source at $600\,K$. In order to increase the efficiency to $70\,\%$, keeping the temperature of sink same, the new temperature of the source will be $.........\,K$
    View Solution
  • 6
    The graph of pressure $(P)$ and volume $(V)$ according to $PV^n = C$, here $n = 1.4$
    View Solution
  • 7
    A Carnot's engine working between $400\, K$ and $800\, K$ has a work output of $1200\, J$ per cycle. The amount of heat energy supplied to the engine from the source in each cycle is ........... $J$
    View Solution
  • 8
    For adiabatic process, wrong statement is
    View Solution
  • 9
    $P-V$ diagram of a cyclic process $ABCA$ is as shown in figure. Choose the correct statement
    View Solution
  • 10
    A reversible engine and an irreversible engine are working between the same temperatures. The efficiency of the ...........
    View Solution