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प्रश्न
Define heat engine.
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उत्तर
Heat engine is a device which takes heat as input and converts this heat into work by undergoing a cyclic process.
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संबंधित प्रश्न
A gas contained in a cylinder surrounded by a thick layer of insulating material is quickly compressed has there been a transfer of heat?
Answer in brief:
A gas contained in a cylinder surrounded by a thick layer of insulating material is quickly compressed has work been done?
Draw a p-V diagram and explain the concept of positive and negative work. Give one example each.
State Kelvin-Planck's statement of the second law of thermodynamics.
What are the processes involves in a Carnot engine?
Why does heat flow from a hot object to a cold object?
Explain the heat engine and obtain its efficiency.
For a heat engine operating between temperatures t1 °C and t2 °C, its efficiency will be ______.
Let η1 is the efficiency of an engine at T1 = 447°C and T2 = 147°C while η2, is the efficiency at T1 = 947°C and T2 = 47°C. The ratio `eta_1/eta_2` will be ______.
What is a heat engine?
