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Q1] Answer the following questions. 1- What is the type of the boiler showing in Fig1? 2- What is the type of the boiler showing in Fig2? Tubesbeet Bumer- Steam Exite Hot Gas Exits steam outlet water inlet air flue Blow Down- and Real fuel- Water Surrounding Foretobea Water Enters inlet Fig.1 combustion chamber 3- What is the boiler type used for medium and large steam power plant? 4- What is the heat source that needed for heat recovery boiler? 5- When does the condenser efficiency reach 100%? Fig.2 Q2: A steam condenser as shown below is used to produce 2kg/s saturated water at 80C. If the entering steam is wet steam with 0.9 dryness fraction. If the ambient pressure is 1 bar and vacuum efficiency is 100%. The required cooling water is 10kg/s. Determine: sat (h+xh) (30x 4.2) Water outlet Steam To ejector vacuum system (10 Marks) Flanged cover plate Hotwell Water inlet Tubesheet Condensate 1- What is the type of flow inside the condenser? 2- Determine the vacuum reading and the steam pressure assuming 100% vacuum efficiency? 3- Determine the steam temperature. 4- How much difference required in the temperature of the cooling water? 5- If the condenser efficiency is 90%, determine the inlet and outlet temperature of the cooling water.

Q1] Answer the following questions. 1- What is the type of the boiler showing in Fig1? 2- What is the type of the boiler showing in Fig2? Tubesbeet Bumer- Steam Exite Hot Gas Exits steam outlet water inlet air flue Blow Down- and Real fuel- Water Surrounding Foretobea Water Enters inlet Fig.1 combustion chamber 3- What is the boiler type used for medium and large steam power plant? 4- What is the heat source that needed for heat recovery boiler? 5- When does the condenser efficiency reach 100%? Fig.2 Q2: A steam condenser as shown below is used to produce 2kg/s saturated water at 80C. If the entering steam is wet steam with 0.9 dryness fraction. If the ambient pressure is 1 bar and vacuum efficiency is 100%. The required cooling water is 10kg/s. Determine: sat (h+xh) (30x 4.2) Water outlet Steam To ejector vacuum system (10 Marks) Flanged cover plate Hotwell Water inlet Tubesheet Condensate 1- What is the type of flow inside the condenser? 2- Determine the vacuum reading and the steam pressure assuming 100% vacuum efficiency? 3- Determine the steam temperature. 4- How much difference required in the temperature of the cooling water? 5- If the condenser efficiency is 90%, determine the inlet and outlet temperature of the cooling water.

Refrigeration and Air Conditioning Technology (MindTap Course List)
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
Chapter3: Refrigeration And Refrigerants
Section: Chapter Questions
Problem 5RQ: What is the relationship between pressure and the boiling point of liquids?
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Q1] Answer the following questions. 1- What is the type of the boiler showing in Fig1? 2- What is the type of the boiler showing in Fig2? Tubesbeet Bumer- Steam Exite Hot Gas Exits steam outlet water inlet air flue Blow Down- and Real fuel- Water Surrounding Foretobea Water Enters inlet Fig.1 combustion chamber 3- What is the boiler type used for medium and large steam power plant? 4- What is the heat source that needed for heat recovery boiler? 5- When does the condenser efficiency reach 100%? Fig.2 Q2: A steam condenser as shown below is used to produce 2kg/s saturated water at 80C. If the entering steam is wet steam with 0.9 dryness fraction. If the ambient pressure is 1 bar and vacuum efficiency is 100%. The required cooling water is 10kg/s. Determine: sat (h+xh) (30x 4.2) Water outlet Steam To ejector vacuum system (10 Marks) Flanged cover plate Hotwell Water inlet Tubesheet Condensate 1- What is the type of flow inside the condenser? 2- Determine the vacuum reading and the steam pressure assuming 100% vacuum efficiency? 3- Determine the steam temperature. 4- How much difference required in the temperature of the cooling water? 5- If the condenser efficiency is 90%, determine the inlet and outlet temperature of the cooling water.
Transcribed Image Text:Q1] Answer the following questions. 1- What is the type of the boiler showing in Fig1? 2- What is the type of the boiler showing in Fig2? Tubesbeet Bumer- Steam Exite Hot Gas Exits steam outlet water inlet air flue Blow Down- and Real fuel- Water Surrounding Foretobea Water Enters inlet Fig.1 combustion chamber 3- What is the boiler type used for medium and large steam power plant? 4- What is the heat source that needed for heat recovery boiler? 5- When does the condenser efficiency reach 100%? Fig.2 Q2: A steam condenser as shown below is used to produce 2kg/s saturated water at 80C. If the entering steam is wet steam with 0.9 dryness fraction. If the ambient pressure is 1 bar and vacuum efficiency is 100%. The required cooling water is 10kg/s. Determine: sat (h+xh) (30x 4.2) Water outlet Steam To ejector vacuum system (10 Marks) Flanged cover plate Hotwell Water inlet Tubesheet Condensate 1- What is the type of flow inside the condenser? 2- Determine the vacuum reading and the steam pressure assuming 100% vacuum efficiency? 3- Determine the steam temperature. 4- How much difference required in the temperature of the cooling water? 5- If the condenser efficiency is 90%, determine the inlet and outlet temperature of the cooling water.
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