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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 body initially at rest is moving with uniform acceleration a m/s²
- The acceleration due to gravity near the surface of a planet of radius R and density d
- When an electron beam passes through an electric field they gain kinetic energy.
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body initially at rest is moving with uniform acceleration a m/s²
- The acceleration due to gravity near the surface of a planet of radius R and density d
- When an electron beam passes through an electric field they gain kinetic energy.
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- A soap bubble is charged to a potential 12V. If its radius is doubled,
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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