Q1- A boiler generates 500 kg/h of steam at 16 bar and 300C from feed water at 30°C. Coal used is 60 kg/h of C.V 30000 kJ/kg. Find equivalent of evaporation and boiler efficiency. Ans(10.75 kg/kgf 80.9%) Q2// For simple Rankine cycle, the steam used by the turbine is 5.4 kg/kWh at a pressure of 50 bar and a temperature of 350°C. The efficiency of the boiler is 82% with feed water at 150 °C. a- How many kg of coal are required per kWh? The Calorific value of fuel is 28100kJ/kg. b-if the cost of coal is 10S per ton, then what is the fuel cost per kWh. Ans(82%, 5.72E-3)
Q1- A boiler generates 500 kg/h of steam at 16 bar and 300C from feed water at 30°C. Coal used is 60 kg/h of C.V 30000 kJ/kg. Find equivalent of evaporation and boiler efficiency. Ans(10.75 kg/kgf 80.9%) Q2// For simple Rankine cycle, the steam used by the turbine is 5.4 kg/kWh at a pressure of 50 bar and a temperature of 350°C. The efficiency of the boiler is 82% with feed water at 150 °C. a- How many kg of coal are required per kWh? The Calorific value of fuel is 28100kJ/kg. b-if the cost of coal is 10S per ton, then what is the fuel cost per kWh. Ans(82%, 5.72E-3)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
![Q1- A boiler generates 500 kg/h of steam at 16 bar and 300C from feed water at 30°C. Coal used is 60
kg/h of C.V 30000 kJ/kg. Find equivalent of evaporation and boiler efficiency. Ans(10. 75 kgs/kgf 80.9%)
Q2// For simple Rankine cycle, the steam used by the turbine is 5.4 kg/kWh at a pressure of 50 bar and a
temperature of 350°C. The efficiency of the boiler is 82% with feed water at 150 °C.
a- How many kg of coal are required per kWh? The Calorific value of fuel is 28100kJ/kg.
b-if the cost of coal is 10S per ton, then what is the fuel cost per kWh. Ans(82%, 5.72E-3)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff41ddb65-b6c0-4695-8534-d9a53628ba43%2F7c70f1b7-f06c-4873-958f-83c60f4b16e2%2Fwfyfl9m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1- A boiler generates 500 kg/h of steam at 16 bar and 300C from feed water at 30°C. Coal used is 60
kg/h of C.V 30000 kJ/kg. Find equivalent of evaporation and boiler efficiency. Ans(10. 75 kgs/kgf 80.9%)
Q2// For simple Rankine cycle, the steam used by the turbine is 5.4 kg/kWh at a pressure of 50 bar and a
temperature of 350°C. The efficiency of the boiler is 82% with feed water at 150 °C.
a- How many kg of coal are required per kWh? The Calorific value of fuel is 28100kJ/kg.
b-if the cost of coal is 10S per ton, then what is the fuel cost per kWh. Ans(82%, 5.72E-3)
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
![Elements Of Electromagnetics](https://www.bartleby.com/isbn_cover_images/9780190698614/9780190698614_smallCoverImage.gif)
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
![Mechanics of Materials (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134319650/9780134319650_smallCoverImage.gif)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Thermodynamics: An Engineering Approach](https://www.bartleby.com/isbn_cover_images/9781259822674/9781259822674_smallCoverImage.gif)
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
![Elements Of Electromagnetics](https://www.bartleby.com/isbn_cover_images/9780190698614/9780190698614_smallCoverImage.gif)
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
![Mechanics of Materials (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134319650/9780134319650_smallCoverImage.gif)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Thermodynamics: An Engineering Approach](https://www.bartleby.com/isbn_cover_images/9781259822674/9781259822674_smallCoverImage.gif)
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
![Control Systems Engineering](https://www.bartleby.com/isbn_cover_images/9781118170519/9781118170519_smallCoverImage.gif)
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
![Mechanics of Materials (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781337093347/9781337093347_smallCoverImage.gif)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
![Engineering Mechanics: Statics](https://www.bartleby.com/isbn_cover_images/9781118807330/9781118807330_smallCoverImage.gif)
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY