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प्रश्न
Define heat engine.
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.
What sets the limits on the efficiency of a heat engine?
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.
Why does heat flow from a hot object to a cold object?
10 One mole of a van der Waals' gas obeying the equation `("P" + "a"/"V"^2)`(V - b) = RT undergoes the quasi-static cyclic process which is shown in the P-V diagram. The net heat absorbed by the gas in this process is ______
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?
What is a heat engine?
Mention any two elements of a heat engine.
