One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to
800 K
1000 K
1200 K
1400 K
Correct Answer :
A. 800 K
Related Questions
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Two right angled triangles
One equilateral triangle
Two equilateral triangles
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Decreasing the highest temperature
Increasing the lowest temperature
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1/5
4/5
1
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Avogadro's law
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Crushing of masonry at the base of the dam
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When coal is first dried and then crushed to a fine powder by pulverising machine
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When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel
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(σx/2) + (1/2) × √(σx² + 4 τ²xy)
(σx/2) - (1/2) × √(σx² + 4 τ²xy)
(σx/2) + (1/2) × √(σx² - 4 τ²xy)
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Back pitch
Diagonal pitch
Diametric pitch
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Bending moment changes sign
Shear force is maximum
Bending moment is maximum
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l/δl
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l.δl
l + δl
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Be safest
Stretch
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kg/cm
Kg
kg/cm²
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One
Two
Three
Four
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0.224 litres
2.24 litres
22.4 litres
224 litres
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l/8
l/4
l/2
l
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Entropy
Enthalpy
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Length is equal to radius of gyration
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Charles' law
Gay-Lussac law
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Charles' law
Gay-Lussac law
Avogadro's law
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The working parts of the engine must be friction free
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Stirling
Ericsson
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Tri-atomic
Poly-atomic
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Tensile strength
Capability of being cold worked
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Pressure
Volume
Temperature
All of these
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Radius
Diameter
Circumference
Area