The following data was recorded during a test performed on a steam plant consisting of a Lancashire boiler, economiser and a superheater. Steam generated = 5,000 kg/hr at 14 bar pressure %3D Mass of coal burnt = = 670 kg/hr Calorific value of coal = 29500 kJ/kg %3D Temperature of feed water at entry and exit of economiser = 30°C and 130 C respectively. Temperature of steam leaving the superheater = 320 °C. Dryness fraction of steam leaving the boiler = 0.97 C, (superheated steam) = 2.3 kJ/kg-K Cp (water) = 4.18 kJ/kg-K %3D Calculate: (1) Factor of evaporation. (2) Overall efficiency of the plant.
The following data was recorded during a test performed on a steam plant consisting of a Lancashire boiler, economiser and a superheater. Steam generated = 5,000 kg/hr at 14 bar pressure %3D Mass of coal burnt = = 670 kg/hr Calorific value of coal = 29500 kJ/kg %3D Temperature of feed water at entry and exit of economiser = 30°C and 130 C respectively. Temperature of steam leaving the superheater = 320 °C. Dryness fraction of steam leaving the boiler = 0.97 C, (superheated steam) = 2.3 kJ/kg-K Cp (water) = 4.18 kJ/kg-K %3D Calculate: (1) Factor of evaporation. (2) Overall efficiency of the plant.
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
100%
![The following data was recorded during a test
performed on a steam plant consisting of a Lancashire
boiler, economiser and a superheater.
Steam generated = 5,000 kg/hr at 14 bar pressure
Mass of coal burnt = 670 kg/hr
%3D
Calorific value of coal = 29500 kJ/kg
Temperature of feed water at entry and exit of economiser
= 30°C and 130 C respectively.
= 320 °C.
Temperature of steam leaving the superheater
Dryness fraction of steam leaving the boiler = 0.97
c, (superheated steam) = 2.3 kJ/kg-K
4.18 kJ/kg-K
Cp (water)
%3D
Calculate:
(1) Factor of evaporation.
(2) Overall efficiency of the plant.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa009343a-1196-4b55-ac46-e58742e92f5e%2F5f7ac563-cb67-4167-97e0-689c08a0962e%2Fblgfp9n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The following data was recorded during a test
performed on a steam plant consisting of a Lancashire
boiler, economiser and a superheater.
Steam generated = 5,000 kg/hr at 14 bar pressure
Mass of coal burnt = 670 kg/hr
%3D
Calorific value of coal = 29500 kJ/kg
Temperature of feed water at entry and exit of economiser
= 30°C and 130 C respectively.
= 320 °C.
Temperature of steam leaving the superheater
Dryness fraction of steam leaving the boiler = 0.97
c, (superheated steam) = 2.3 kJ/kg-K
4.18 kJ/kg-K
Cp (water)
%3D
Calculate:
(1) Factor of evaporation.
(2) Overall efficiency of the plant.
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 2 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