⇦ | ⇨ |
Two Carnot engine A and B are operated in series. The engine A receives that heat from the source at temperature T₁ and rejects the heat to the sink at temperature T. The second engine B receives the heat at temperature T and rejects to its sink at temperature T₂. For what value of T the efficiencies of the two engines are equal?
Options
(a) T₁ + T₂ / 2
(b) T₁ – T₂ / 2
(c) T₁ T₂
(d) √(T₁ T₂)
Correct Answer:
√(T₁ T₂)
Explanation:
Efficiency of engine A, ?¬ツチ = 1 – T / T₁,
Efficiency of engine B, ?¬ツツ = 1 – T₂ / T,
Here, ?¬ツチ = ?¬ツツ
T / T₁ = T₂ / T ⇒ T = √T₁T₂
Related Questions: - An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil
- A train is moving along a straight path with uniform acceleration
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- The decay constant of a radio isotope is λ. If A₁ and A₂ are its activities at time
- A wire is stretched under a force. If the wire suddenly snaps the temperature
Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil
- A train is moving along a straight path with uniform acceleration
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- The decay constant of a radio isotope is λ. If A₁ and A₂ are its activities at time
- A wire is stretched under a force. If the wire suddenly snaps the temperature
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply