Answer
Option $
\text { (d) } 371^{\circ} \mathrm{C}
$
Work Step by Step
Solved by EES Software. Solutions can be verified by copying-and-pasting the following lines on a blank EES screen.
$P_1=6000$ "kPa"
$T_1=300$ "C"
$P_2=10000$ "kPa"
$s_2=s_1$
$s_1=$ENTROPY(Steam_IAPWS,$T=T_1,P=P_1$)
$T_2=$TEMPERATURE(Steam_IAPWS,$s=s_2,P=P_2$)
Option $
\text { (d) } 371^{\circ} \mathrm{C}
$ is correct.
