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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
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 efficiency of a heat engine working between the freezing point and boiling point of water is ____________.
Why does heat flow from a hot object to a cold object?
Explain the heat engine and obtain its efficiency.
Explain the second law of thermodynamics in terms of entropy.
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?
Heat engine transfers ______.
Draw a neat labelled P - V diagram for a typical heat engine.
The thermal efficiency of a heat engine is 25%. If in one cycle the heat absorbed from the hot reservoir is 50000 J, what is the heat rejected to the cold reservoir in one cycle?
Mention any two elements of a heat engine.
