y is 0.75. Based on this information, select all the correct statements below. If the powerplant is operated isentropically, the turbine output will be wet steam with 0.78 quality. If the powerplant is operated following the Carnot cycle, the thermal efficiency will increase by 118% If the condenser pressure is decreased, the overall thermal efficiency will also decrease. If the powerplant is operated isentropically, the energy output of the turbine will be 1179 kJ/kg The efficiency of the turbine is 0.75 The overall thermal efficiency of the power plant is 0.255

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
icon
Related questions
Question
A steam powerplant runs using the Rankine cycle. The boiler operates at 5000 kPa and 500 °C. The turbine exhaust is saturated steam at 30 kPa and the pump
efficiency is 0.75. Based on this information, select all the correct statements below.
a. If the powerplant is operated isentropically, the turbine output will be wet steam with 0.78 quality.
O b. If the powerplant is operated following the Carnot cycle, the thermal efficiency will increase by 118%
C.
If the condenser pressure is decreased, the overall thermal efficiency will also decrease.
O d. If the powerplant is operated isentropically, the energy output of the turbine will be 1179 kJ/kg
O e.
The efficiency of the turbine is 0.75
Of.
The overall thermal efficiency of the power plant is 0.255
Transcribed Image Text:A steam powerplant runs using the Rankine cycle. The boiler operates at 5000 kPa and 500 °C. The turbine exhaust is saturated steam at 30 kPa and the pump efficiency is 0.75. Based on this information, select all the correct statements below. a. If the powerplant is operated isentropically, the turbine output will be wet steam with 0.78 quality. O b. If the powerplant is operated following the Carnot cycle, the thermal efficiency will increase by 118% C. If the condenser pressure is decreased, the overall thermal efficiency will also decrease. O d. If the powerplant is operated isentropically, the energy output of the turbine will be 1179 kJ/kg O e. The efficiency of the turbine is 0.75 Of. The overall thermal efficiency of the power plant is 0.255
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Power Plant Engineering
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.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Elements Of Electromagnetics
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY