question archive In one cycle of an engine, 1
In one cycle of an engine, 1
Subject:MathPrice: Bought3
In one cycle of an engine, 1.75 kJ of energy is absorbed from a hot reservoir at 277°C, and 1.21 kJ of energy is expelled to a cold reservoir at 27.0°C.
(a)
What is the engine's efficiency? (Enter your answer as a percent.)
%
(b)
How much work (in J) is done by the engine in each cycle?
J
(c)
What is the power output (in kW) of the engine if each cycle lasts 0.301 s?
kW
