A turbine operates under the following conditions, steam being bled off from two stages for feed heating purposes: Initial steam pressure Initial steam temperature Steam pressure in first heater Steam pressure in second heater Exhaust pressure Condensate temperature Feed temperature after second heater Feed temperature after first heater The bled steam is condensed in the feed heaters and there is no cooling of the condensate. The drains from the first heater are passed through a steam trap into the second heater and the combined drains from the second heater are pumped by a drain pump into the feed pipe after the second heater. If the internal power developed by the turbine is 12000 kW, find the required capacity of the heater drain pump. The efficiency ratio of the turbine is 0.8. P= P=6 30 bar 400°C m2 39°c j11-m,-m2) 6 bar 1 bar 0.07 bar 39°C 95°C 154°C TRAP O (m, +m2) 95°C 154°C

A turbine operates under the following conditions, steam being bled off from two stages for feed heating purposes: Initial steam pressure Initial steam temperature Steam pressure in first heater Steam pressure in second heater Exhaust pressure Condensate temperature Feed temperature after second heater Feed temperature after first heater The bled steam is condensed in the feed heaters and there is no cooling of the condensate. The drains from the first heater are passed through a steam trap into the second heater and the combined drains from the second heater are pumped by a drain pump into the feed pipe after the second heater. If the internal power developed by the turbine is 12000 kW, find the required capacity of the heater drain pump. The efficiency ratio of the turbine is 0.8. P= P=6 30 bar 400°C m2 39°c j11-m,-m2) 6 bar 1 bar 0.07 bar 39°C 95°C 154°C TRAP O (m, +m2) 95°C 154°C

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

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