You visited us 1 times! Enjoying our articles? Unlock Full Access!

Internal Energy

A heat engine...

Question

A heat engine converts 40% of the heat absorbed into mechanical work. If temperature of the source is $127^{o} C$ then that of the sink

260K

No worries! We‘ve got your back. Try BYJU‘S free classes today!

240K

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

280K

No worries! We‘ve got your back. Try BYJU‘S free classes today!

300K

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 240K
For Carnot engine,
efficiency= $η = 1 - \frac{T_{2}}{T_{1}} = 0.4$ ,
where $T_{2}$ =sink temperature, $T_{1}$ =source temperature
Thus, Sink temperature= $0.6 \times 400 K = 240 K$

Suggest Corrections

Similar questions

\frac{1}{6}

227^{o} C

127^{o} C

6 \times 10^{4} c a l

\frac{1}{6} t h

62^{o} C

227^{o} C

127^{o} C

10^{4}

227^{o} C

127^{o} C

6.0 \times 10^{4} c a l

Join BYJU'S Learning Program