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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?
Draw a p-V diagram and explain the concept of positive and negative work. Give one example each.
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.
The efficiency of a heat engine working between the freezing point and boiling point of water is ____________.
What are the processes involves in a Carnot engine?
Explain the second law of thermodynamics in terms of entropy.
A heat engine operates between a cold reservoir at temperature T2 = 400 K and a hot reservoir at temperature T1. It takes 300 J of heat from the hot re ervoir and delivers 240 J of heat to the cold reservoir in a cycle. The minimum temperature of the hot reservoir has to be ______ K.
Which statement is incorrect?
What does a heat engine consist of?
Mention any two elements of a heat engine.
