The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is____________________?

Related Mcqs:

Entropy, which is a measure of the disorder of a system, is__________________?

A. Independent of pressure B. Independent of temperature C. Zero at absolute zero temperature for a perfect crystalline substance D. All A, B. & C...

Third law of thermodynamics is concerned with the__________________?

A. Value of absolute entropy B. Energy transfer C. Direction of energy transfer D. None of these...

A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is_________________?

A. The distribution law B. Followed from Margules equation C. A corollary of Henry’s law D. None of these...

Out of the following refrigeration cycles, which one has maximum COP ?

A. Air cycle B. Carnot cycle C. Ordinary vapor compression cycle D. Vapor compression with a reversible expansion engine...

“At the absolute zero temperature, the entropy of every perfectly crystalline substance becomes zero”. This follows from the __________________?

A. Third law of thermodynamics B. Second law of thermodynamics C. Nernst heat theorem D. Maxwell’s relations...