If a carnot engine is working with source temperature at 227⁰C and sink

If A Carnot Engine Is Working With Source Temperature At Physics Question

If a carnot engine is working with source temperature at 227⁰C and sink temperature at 27⁰C, its efficiency will be

Options

(a) 40%
(b) 10%
(c) 67%
(d) 50%

Correct Answer:

40%

Explanation:

Efficiency of a Carnot engine η = 1 – (T₂ / T₁)
where T₁ is the temperature of the source and T₂ is the temperature of the sink.
Here, T₁ = 227°C = 500 K
T₂ = 27°C = 300 K
.·. η = 1 – (300/500) = 2/5 = 40 %.

Related Questions:

  1. If a magnetic substance is brought near the north or the south pole of a bar magnet
  2. The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be
  3. When a string is divided into three segments of length l₁, l₂ and l₃ the fundamental
  4. Light emitted during the de excitation of electron from n=3 to n=2, when incident
  5. The potential energy of particle in a force field is U = A/r² – b/r, where A and B

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*