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A dryer is to be designed to reduce the moisture content of copra from 52% to 6%. Atmospheric air at 31°C DB and 24°C WB is heated by steam coils to 88°C before entering the dryer. Steam enters the reheater at a pressure of 135 kPaa and 95% quality. The air leaves at 40°C with a relative humidity of 80%. Copra enters the dryer at the rate of 1.30 kg/s. Determine the: a. mass flow rate of air and b. the mass flow rate of steam.

A dryer is to be designed to reduce the moisture content of copra from 52% to 6%. Atmospheric air at 31°C DB and 24°C WB is heated by steam coils to 88°C before entering the dryer. Steam enters the reheater at a pressure of 135 kPaa and 95% quality. The air leaves at 40°C with a relative humidity of 80%. Copra enters the dryer at the rate of 1.30 kg/s. Determine the: a. mass flow rate of air and b. the mass flow rate of steam.

Elements Of Electromagnetics
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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A dryer is to be designed to reduce the moisture content of copra from 52% to 6%. Atmospheric air at 31°C DB and 24°C WB is heated by steam coils to 88°C before entering the dryer. Steam enters the reheater at a pressure of 135 kPaa and 95% quality. The air leaves at 40°C with a relative humidity of 80%. Copra enters the dryer at the rate of 1.30 kg/s. Determine the: a. mass flow rate of air and b. the mass flow rate of steam.
Transcribed Image Text:A dryer is to be designed to reduce the moisture content of copra from 52% to 6%. Atmospheric air at 31°C DB and 24°C WB is heated by steam coils to 88°C before entering the dryer. Steam enters the reheater at a pressure of 135 kPaa and 95% quality. The air leaves at 40°C with a relative humidity of 80%. Copra enters the dryer at the rate of 1.30 kg/s. Determine the: a. mass flow rate of air and b. the mass flow rate of steam.
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