Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A Carnot engine (E) is working between two temperatures 473 K and 273 K. In a new system two engines-engine 
works between 473 K to 373 K and engine 
works between 373 K to 273 K. If 
and 
are the efficiencies of the engines 
and 
, respectively, then
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Efficiencies of a carnot engine 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A Carnot engine whose heat sinks at 27°C, has an efficiency of 25%. By how many degrees should the …
A Carnot engine take 5000 kcal of heat from a reservoir at 727°C and gives heat to a sink at 127°C.…
The efficiency of a Carnot's engine, working between steam point and ice point, will be:
A heat engine operates with the cold reservoir at temperature 324 K. The minimum temperature of the…
In a carnot engine, the temperature of reservoir is 527°C and that of sink is 200 K. If the work do…
300 cal. of heat is given to a heat engine and it rejects 225 cal. of heat. If source temperature i…