c. Saturated air at 50oF db is heated to 80oF dry bulb without the addition of moisture. If 1000 cfm of air enters the heater, determine the heat transfer rate. Answer: __________heat transfer rate Btu/min
c. Saturated air at 50oF db is heated to 80oF dry bulb without the addition of moisture. If 1000 cfm of air enters the heater, determine the heat transfer rate. Answer: __________heat transfer rate Btu/min
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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Question
c. Saturated air at 50oF db is heated to 80oF dry bulb without the addition of moisture. If 1000 cfm of air enters the heater, determine the heat transfer rate.
Answer: __________heat transfer rate Btu/min
d. Air at 40oF db and 35oF wb is mixed with warm outside air at 100oF db and 77oF wb in the ratio of 2500 cfm cool air to 1000 cfm warm air. Find the resulting humidity ratio and enthalpy on the basis of volume flow rates.
Answers: a. __________humidity ratio lb/lb d.a.
b._____________ enthalpy Btu/lb
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