Question

Can heat engine completely convert heat into mechanical work?

Solution

No. The efficiency of the heat engine can never by cent percent.
In a heat engine, thermal efficiency is always less than 100 %. This is because the heat is always rejected to the sink. That is Q₂

not equal to space 0

Some More Questions From Mechanical Properties of Fluids Chapter

At what temperature specific heat of water is minimum?

Define Dulong and Pettit’s law of specific heat.

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Mechanical Properties Of Fluids

Can heat engine completely convert heat into mechanical work?

Some More Questions From Mechanical Properties of Fluids Chapter

At what temperature specific heat of water is minimum?

Define Dulong and Pettit’s law of specific heat.

Who explained the correct variation of specific heat with temperature in the lower range of temperature?

What is the SI unit of molar specific heat?

Define heat capacity.

What are the units of heat capacity?

Define Dulong and Pettit’s law of specific heat.

Who explained the correct variation of specific heat with temperature in the lower range of temperature?

Do the gases have only one value of specific heat?

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