Determine the heat required to convert 5.0 m³s1 of an airvapor mixture, having wet and dry bulb temperature of 25°C and 30°Cinto a mixture having the same humidity at the dry bulb temperature of70°C. Further determine the volumetric flow rate of the final mixture.waterHumidity at 25°C/30°C = 0.018 kg kg1

Given, Dry bulb temperature, td1=30°CWet bulb temperature,tw1=25°CHumidity ratio, w1=w2=0.018kg/kg…

Answered: Determine the heat required to convert…

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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For a typical sample of ambient air (at 30°C, 75% relative humidity and standard atmospheric pressure), the amount of moisture in kg per kg of dry air will be approximately, (a) 0.002 (b) 0.027 (c) 0.25 (d) 0.75
A closed vessel contains moist air at 30°C and 2.14 bar. When the system is cooled at constant pressure, it was observed that water droplets began to appear at a temperature of 20°C. What is the humidity ratio of the moist air? Express your answer in kg v/kg da.
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30 m³ of air at 15°C DBT and 0.827 m³/kg specific volume are mixed with 12-m3 of air at 25°C DBT and 0.96 m³/kg specific volume. The dry bulb temperature (DBT) of resulting mixture is "C. (Correct up to 2 decimal places)
Air flowing at the rate of 80m° /min at 35°C dry bulb temperature and 50% relative humidity is mixed with another stream flowing at the rate of 20m°/min at 21°C dry bulb temperature and 50% relative humidity. The mixture flows over a cooling coil whose apparatus dew point temperature is 5°C and by-pass factor is 0.2. Find dry bulb temperature and relative humidity of air leaving the coil. If this air is supplied to an airconditioned room where dry bulb temperature of 21°C and relative humidity of 50% are maintained, and determine: a) Room sensible heat factor; and b) Cooling load capacity of the coil in tons of refrigeration.
A bedroom is to be conditioned that the total heat load is 20 kW and the sensible heat ratio is 0.4. The room is to be maintained at 22°C DB and 55% relative humidity. The outside air condition is at 32°C DB and 23°C WB. The conditioned air from the reheater enters the room at 17°C. Determine the following: a. The percentage of recirculated air if the mass flow rate of water vapor in the mixture is 1 kg/min b. The refrigeration load TR c. The heat required in the reheater kW
Air flowing at the rate of 80m³ /min at 35°C dry bulb temperature and 50% relative humidity is mixed with another stream flowing at the rate of 20m3 /min at 21°C dry bulb temperature and 50% relative humidity. The mixture flows over a cooling coil whose apparatus dew point temperature is 5°C and by-pass factor is 0.2. Find dry bulb temperature and relative humidity of air leaving the coil. If this air is supplied to an airconditioned room where dry bulb temperature of 21°C and relative humidity of 50% are maintained, and determine: a) Room sensible heat factor; and b) Cooling load capacity of the coil in tons of refrigeration.
H2
An apartment has the dimensions 18 m by 9 m by 6 m. The temperature is 35°C, and the relative humidity is 52 percent. What is the total mass (in kg) of water vapor in the air in the apartment?

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