Question

Efficiency of heat engine operating between 500k and 300 k is

Answer 1

A heat engine operating between temperatures of 500K and 300K isused to lift a 10kg mass vertically at a constant speed of 4meters/sec.
a. determine the power that the engine must supply to lift themass.
b. determine the maximum possible efficiency at which the enginecan operate.
c. if the engine were to operate at the maximum possibleefficiency, determine the following:
    i. The rate at which the hot reservoir suppliesheat to the engine.
    ii. the rate at which heat is exhausted to thecold reservoir.