A Carnot cycle for a gas is represented in th | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) In a $P-V$ diagram,the area enclosed by a cyclic process represents the net work done by the system. Since the cycle $ABCD$ is clockwise,the work

Vedclass · Accepted Answer

$I, II$ and $III$

Vedclass · Answer

(D) In a $P-V$ diagram,the area enclosed by a cyclic process represents the net work done by the system. Since the cycle $ABCD$ is clockwise,the work done by the gas is equal to the area enclosed by $ABCD$. Thus,statement $I$ is correct.According to the first law of thermodynamics,for a complete cycle,the change in internal energy $\Delta U = 0$. Thus,statement $III$ is correct.From the first law,$\Delta Q = \Delta U + \Delta W$. Since $\Delta U = 0$,we have $\Delta Q = \Delta W$. Therefore,the net heat absorbed is equal to the net work done,which is the area of $ABCD$. Thus,statement $II$ is also correct.Therefore,all statements $I, II,$ and $III$ are correct.

Curve	Process
$I$	$a)$ Adiabatic
$II$	$b)$ Isobaric
$III$	$c)$ Isochoric
$IV$	$d)$ Isothermal

Similar Questions

For the given $P-V$ diagram of a thermodynamic system,match the curves with their respective thermodynamic processes. ($P$ = Pressure and $V$ = Volume)
Curve Process
$I$ $a)$ Adiabatic
$II$ $b)$ Isobaric
$III$ $c)$ Isochoric
$IV$ $d)$ Isothermal

An engineer claims to have built an engine that delivers $10 \, kW$ of power with a fuel consumption of $1 \, g/s$. If the calorific value of the fuel is $2 \, kcal/g$, is the engineer's claim valid?

An ideal monoatomic gas expands to twice its volume. If the process is isothermal,the magnitude of work done by the gas is $W_i$. If the process is adiabatic,the magnitude of work done by the gas is $W_a$. Which of the following is true?

Vedclass Test Series

Exam Paper Generator

Online Exam Module