Advertisements
Advertisements
प्रश्न
State the second law of thermodynamics in terms of entropy.
Advertisements
उत्तर
“For all the processes that occur in nature (irreversible process), the entropy always increases. For reversible process entropy will not change”. Entropy determines the direction in which natural processes should occur.
APPEARS IN
संबंधित प्रश्न
Answer in brief:
A gas contained in a cylinder surrounded by a thick layer of insulating material is quickly compressed has work been done?
The figure shows the V-T diagram for one cycle of a hypothetical heat engine which uses the ideal gas. Draw the p-V diagram diagram of the system.
State Clausius form of the second law of thermodynamics.
Why does heat flow from a hot object to a cold object?
Derive the expression for Carnot engine efficiency.
A Carnot engine whose efficiency is 45% takes heat from a source maintained at a temperature of 327°C. To have an engine of efficiency of 60% what must be the intake temperature for the same exhaust (sink) temperature?
For a heat engine operating between temperatures t1 °C and t2 °C, its efficiency will be ______.
Heat engine transfers ______.
Which statement is incorrect?
Mention any two elements of a heat engine.
