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The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
Options
(a) 10
(b) 1
(c) 9
(d) zero
Correct Answer:
9
Explanation:
Coefficient of performance = K
.·. K = T₂ / (T₁-T₂) = 273 / (303-273) = 273 / 30 = 9.
Related Questions: - A sound absorber attenuates the sound level by 20 dB. The intensity decreases
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases
- The oscillation of a body on a smooth horizontal surface is represented by the equation
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
- For a simple pendulum performing simple harmonic motion, the time period
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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