.1 A heat engine receives heat transfer rate at 1 MW at a high temperature of 550 °C and rejectsenergy to the ambient surroundings at 300 K. Work is produced at a rate of 450 kW.a)b)c)How much energy is rejected to the ambient surroundings?What is the engine efficiency?Compare this engine with a Carnot engine operating between the same temperature limits.(Compare efficiency, net-work done).2 On a T-s diagram, indicate all the processes for an Engine working on a Carnot cycle betweentwo temperature limits TH (highest temperature) and TL (lowest temperature).

According to company's guidelines, only First question has to be answered.

.1 A heat engine receives heat transfer rate at 1 MW at a high temperature of 550 °C and rejects energy to the ambient surroundings at 300 K. Work is produced at a rate of 450 kW. How much energy is rejected to the ambient surroundings? What is the engine efficiency? a) b) c) Compare this engine with a Carnot engine operating between the same temperature limits. (Compare efficiency, net-work done) 1.2 On a T-s diagram, indicate all the processes for an Engine working on a Carnot cycle between two temperature limits TH (highest temperature) and TL (lowest temperature).

.1 A heat engine receives heat transfer rate at 1 MW at a high temperature of 550 °C and rejects energy to the ambient surroundings at 300 K. Work is produced at a rate of 450 kW. How much energy is rejected to the ambient surroundings? What is the engine efficiency? a) b) c) Compare this engine with a Carnot engine operating between the same temperature limits. (Compare efficiency, net-work done) 1.2 On a T-s diagram, indicate all the processes for an Engine working on a Carnot cycle between two temperature limits TH (highest temperature) and TL (lowest temperature).

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter39: Residential Energy Auditing

Section: Chapter Questions

Problem 4RQ: Performing a home energy audit starts with a visualinspection of a home and its energy systems which...

See similar textbooks

Similar questions

How You Will Integrate The Wind, Solar, Biogas. Explain With Neat Diagram Of An Integrated Hybrid Renewable Energy System. 2, Explain With Neat Diagram Of Any One Solar Energy Thermal Application. This problem has been solved! See the answer
6- Why thermal efficiency of diesel engine is more than petrol engine? 7- Discuss results?
In a constant pressure open cycle gas turbine air enters at 1 bar and 20°C and leaves the compressor at 5 bar. Using the following data: Temperature of gases entering the turbine = 680°C, pressure loss in the combustion chamber = 0.1 bar; Compressor Efficiency = 85%, Turbine Efficiency = 80%, Combustion Efficiency = 85%, k = 1.4 and Cp = 1.024 kJ/kg∙K for the air and gas.Find the quantity of air circulation, in kg/sec, if the plant develops 1,065 kW.Find the heat supplied, in kJ per kg of air circulationFind the percent thermal efficiency of the cycle, neglecting the mass of fuel.
AB Power Engineering 1.) Discuss the importance of diesel and gasoline engines in the field ofagricultural and biosystems engineering.
Completely answer. Write legibly. 1. What are the problems with Offshore Power Plant, explain each.2. Which of the following statements is/are valid for Solving the Energy Crises in the country of the Philippines? a. Stop production of petroleum and coal.b. Find a good substitute for Oil and Gas.c. Give some importance and increase the usage of non-conventional energy resources.Explain your answer.
The Preliminary audit taken by an energy manager indicates that the daily energy consumption per hours (with 8 hours / day shift) is distributes as follows: Fuel 1: 500 Kgs, Fuel 2: 900 Kgs, Fuel 3: 820 Kg with calorific value as fuel 1: 30000Kj/kg, Fuel 2: 42000 Kj.Kg, Fuel 3: 50000 kj/Kg. The Cost of the fuel as fuel 1: Rs 30/Kg, Fuel 2: Rs. 90/ Kg, Fuel 3: Rs 50/Kg. The Production Out put is 150000 units. Clearly showing the intermediate computation, answer the following (a) What is the energy Index? (b) what is the cost Index? ( c ) Represent the energy and cost distribution on pi - diagrams and Present your interference based on the above.
Steam at 100 bar, 625 C is received by a rankine engine and exhaust at 2 bar. (a) For an ideal engine, find work, steam rate, thermal efficiency and. (b) for actual engine, brake engine efficiency is 85% and generator efficiency is 94%. The driven generator produces 30 MW. Find combined work, combined thermal efficiency, actual exhaust enthalpy, mass flow rate of steam.
Determine and discuss the advantages and disadvantages of diesel and gasoline engine in comparison with other existing source of farm power.
Please explain as much as possible such as specific energy input and output If 19.5 MJ can be produced by burning 0.5 kg of a certain fuel, and if an engine has a fuel consumption of 240 kg/MW·h, what is the efficiency of the engine?
What energy conversion takes place in an internal combustion engine?
A diesel electric plant supplies energy by Meralco. During a 24 hour period, the plant consumed 200 gallons of fuel at 28 deg. C and produced 3930 kw-hr. Industrial fuel used is 28 degree API and was purchased at 5.50 per liter at 15.6 deg. C. What should be the cost of fuel to produce 1 kw-hr?
How much do diesel mechanics work in the oilfields or in general?