A Carnot engine whose sink is at 300 
has an efficiency of 40%. By how much should the temperature of source be increased so as to increase its efficiency by 50% of original efficiency?
A
380 
B
275 
C
325 
D
250 
Text Solution
Verified by ExpertsThe correct answer is:
D
Efficiency of a Carnot engine, 
or, 
K.
Increase in efficiency 
of 
New efficiency, 
40% 
20% 
K.
Increase in temperature of source 
K.
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 sample of ofwater at and normal pressure requires 54 cal of heat energy to convert to steam at…
The volume (V) of a monatomic gas varies with its temperature (T), as shown in the graph. The ratio…
The efficiency of an ideal heat engine working between the freezing point and boiling point of wate…
At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from…
One mole of an ideal monatomic gas undergoes a process described by the equation constant. The hea…
The temperature inside a refrigerator is and the room temperature is . The amount of heat deliver…