Steam locomotives have an efficiency of 19.0% and operate with a hot steam temperature of 475°C. (a) What would the cold reservoir temperature (in °C) be if this were a Carnot engine? °C (b) What would the maximum efficiency of this steam engine be if its cold reservoir temperature were 150°C? %

Steam locomotives have an efficiency of 19.0% and operate with a hot steam temperature of 475°C. (a) What would the cold reservoir temperature (in °C) be if this were a Carnot engine? °C (b) What would the maximum efficiency of this steam engine be if its cold reservoir temperature were 150°C? %

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

In one cycle a heat engine absorbs 460 J from a high-temperature reservoir and expels 310 J to a low-temperature reservoir. If the efficiency of this engine is 55% of the efficiency of a Carnot engine, what is the ratio of the low temperature to the high temperature in the Carnot engine? Tlow/ Thigh = ?
A Carnot engine has a power output of 110 kW. The engine operates between two reservoirs at 20°C and 550°C. (a) How much energy enters the engine by heat per hour? MJ (b) How much energy is exhausted by heat per hour? MJ
A Carnot engine operates between the temperatures Th = 100°C and Tc = 21°C. By what factor does the theoretical efficiency increase if the temperature of the hot reservoir is increased to 465°C? ec, new ec =
Problem 5: Suppose a Carnot engine has an efficiency of 45 % and a cold reservoir temperature of 28.5°C. Part (a) What is the hot reservoir temperature, in degrees Celsius, of this Carnot engine? Part (b) What must the hot reservoir temperature be, in degrees Celsius, for a real heat engine that has an efficiency of 45, which is 70% of the maximum efficiency? Assume it has the same cold reservoir, at 28.5°C.
In one cycle a heat engine absorbs 520 J from a high-temperature reservoir and expels 310 J to a low-temperature reservoir. If the efficiency of this engine is 57% of the efficiency of a Carnot engine, what is the ratio of the low temperature to the high temperature in the Carnot engine? Tlow Thigh =
How much energy must be transferred as heat for a reversible isothermal expansion of an ideal gas at 132°C if the entropy of the gas increases by 46.0 K
(a) What is the hot reservoir temperature (in degrees C) of a Carnot engine that has an efficiency of 40.0% and a cold reservoir temperature of 32.5°C ? °C (b) What must the hot reservoir temperature (in degrees C) be for a real heat engine that achieves 0.750 of the maximum efficiency, but still has an efficiency of 40.0% (and a cold reservoir at 32.5°C )? °C
Steam locomotives have an efficiency of 22.0% and operate with a hot steam temperature of 528 C. What would the cold reservoir temperature be if this were a Carnot engine? What would the maximum efficiency of this steam engine be if its cold reservoir temperature were 125 C.
This is not a graded question so please don't disregard it as if it is. Thank you in advance professor!