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Rice at 35% moisture is to be dried to produce 500 lb/hr with 5% moisture. The air at 85 C and 30% RH is a mixture of outside air at 77 F and recirculated air coming from the drier is reheated to 113 C before entering the dryer and leaves at 100 C and 60 % RH. The steam that is used to reheat the air enters and leaves the reheater saturated at 75 psi. Determine: (a) the amount of feed in lb/hr. (b) the amount of air in lb/hr. (c) the amount of steam needed to reheat the air in lb/hr.

Rice at 35% moisture is to be dried to produce 500 lb/hr with 5% moisture. The air at 85 C and 30% RH is a mixture of outside air at 77 F and recirculated air coming from the drier is reheated to 113 C before entering the dryer and leaves at 100 C and 60 % RH. The steam that is used to reheat the air enters and leaves the reheater saturated at 75 psi. Determine: (a) the amount of feed in lb/hr. (b) the amount of air in lb/hr. (c) the amount of steam needed to reheat the air in lb/hr.

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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Rice at 35% moisture is to be dried to produce 500 lb/hr with 5% moisture. The air at 85 C and 30% RH is a mixture of outside air at 77 F and recirculated air coming from the drier is reheated to 113 C before entering the dryer and leaves at 100 C and 60 % RH. The steam that is used to reheat the air enters and leaves the reheater saturated at 75 psi. Determine:

(a) the amount of feed in lb/hr.

(b) the amount of air in lb/hr.

(c) the amount of steam needed to reheat the air in lb/hr.

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