Aheat engine receives an amount of energy qh= 790 kj by heat transfer from a high temperature thermal reservoir at th=950 k. energy is rejected by heat transfer to a lower temperature thermal reservoir at t1=590 k. if waste heat in the amount of q1=160 kj is rejected to the low temperature thermal reservoir during each cycle.
a) solve for the maximum theoretical efficiency that an engine in this situation could operate with. answer: 0.379
b) solve for actual efficiency that the engine is operating with.
c) which of the following best describes the manner in which the cycle is
-reversibly or impossibly?
-- mr. galonski looks at himself in the mirror while he shaves in the morning, using visible light.
-- on his way to work, he listens to music and news, taking advantage of all the radio waves around.
-- while walking from his car to his office, he takes his jacket off and rolls up his sleeves, so his arms can soak up some ultraviolet from the sun, and get a little bit of color.
-- mister galonski is actually doctor galonski dds a dentist. he uses a machine that produces x-rays, to take pictures of his patients' teeth and jaws. he glues the pictures into a big scrap-book that he keeps on the coffee table in his living room.
there are different factors that affect the climate of an area.the distance from the equator is one of them.
equator is closest to the sun. the rays from the sun strikes mostly near equator and gets spread over the larger area. hence, equators are much hot as compared to that of poles.