0% NaOH feed entering at 100 °F. Evaporation is to be carried out in a single effe aporator for which overall coff. of 500 Btu/hr.ft². F is expected. Saturated stea ailable at 50 psi and the evaporator can be operated available at 10 psi vacuu- horometric pressure of 14.7 psi. BPR = 78 °F using steam table

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
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 8RQ: Frost accumulates on the evaporators of forced-draft refrigerators because A. they are generally...
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Q1/ Determine the heating area required for the production of 1000 lb/hr of 50% from
10% NaOH feed entering at 100 °F. Evaporation is to be carried out in a single effect
evaporator for which overall coff. of 500 Btu/hr.ft².°F is expected. Saturated steam
available at 50 psi and the evaporator can be operated available at 10 psi vacuume
relative to a barometric pressure of 14.7 psi. BPR = 78 °F using steam table for
additional data.
Transcribed Image Text:Q1/ Determine the heating area required for the production of 1000 lb/hr of 50% from 10% NaOH feed entering at 100 °F. Evaporation is to be carried out in a single effect evaporator for which overall coff. of 500 Btu/hr.ft².°F is expected. Saturated steam available at 50 psi and the evaporator can be operated available at 10 psi vacuume relative to a barometric pressure of 14.7 psi. BPR = 78 °F using steam table for additional data.
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