14-116E The relative humidity of air at 80°F and 14.7 psia is increased from 25 to 75 percent during a humidification process at constant temperature and pressure. Determine the percent error involved in assuming the density of air to have remained constant.

14-116E The relative humidity of air at 80°F and 14.7 psia is increased from 25 to 75 percent during a humidification process at constant temperature and pressure. Determine the percent error involved in assuming the density of air to have remained constant.

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

See similar textbooks

Related questions

Q: If the relative humidity of air is 77 % at 18.0°C, what is the partial pressure of water vapor in…

Q: Air at 90F dry bulb (db) temperature and 30% relative humidity is cooled to 70 F db. The expected…

Q: Atmospheric air at a pressure of 1 atm and dry-bulb temperature of 28°C has a dew-point temperature…

A: Inlet air condition, P=1 atm, T1=28oC db, TDPT,1=20oCOutlet air condition, RH2=100%

Q: Determine the relative humidity and dew point temperature of moist air at 95 F dry bulb temperature,…

Q: Determine: (a) the percentage humidity, (b) relative humidity, (c) absolute humidity (d) humid heat…

A: Dear Student, As per guidelines I am allowed to answer first three subparts of the question. Here we…

Q: Using the standard tables (Appendix C, Tables C-1 and C-2), determine the relative humidity and…

A: Given:1 Dry bulb and wet bulb temperature in case 1, T1,DBT=22oC and T1,WBT=16oC2 Dry bulb and wet…

Q: On a day with an air temperature of 75°F, you read the psychrometer and determine the relative…

A: Given data as per the question Air temperature = 75 o F Relative humidity = 86% Reduced the…

Q: A 40-m³ room contains air at 30°C°C and a total pressure of 90 kPa with a relative humidity of 75…

Q: Air at 30 ºC with a dew point of 14ºC enters a textile dryer at a rate of 15.3 m3/min and leaves…

Q: A tank contains 22 kg of dry air and 0.2 kg of water vapor at 30 °C and 91 kPa total pressure.…

Q: 8. Moist air undergoes a heating and humidification process at a pressure of 101.325 kPa from an…

Q: Humid air at 40 psia, 50oF, and 90 percent relative humidity is heated in a pipe at constant…

A: To find: The relative humidity at the exit and the amount of heat transfer. Given: The initial…

Q: If the partial pressure of water is 3Mpa and the corresponding saturated pressure is 3.5 Mpa,…

Q: (a) the temperature and relative humidity of the air when it leaves the heating section, (b) the…

A: Given: T1=150C humidity=55% V1=30 m^3/min T3=25oC humidity3=45% To determine: (a) the temperature…

Q: The dry-and wet-bulb temperatures of atmospheric air at 95 kPa are 25 and 17°C, respectively.…

A: The dry bulb temperature is .The wet bulb temperature is The pressure of air is

Q: Using the skew-t diagram, calculate the relative humidity for two air parcels at two different…

A: If you look closely at the diagram you'll notice height isn't the primary cause for the convergence…

Q: Calculate (a) the specific volume, (b) the enthalpy, and (c) the absolute humidity of the air at 55…

A: Solution:

Q: Saturated air at 13 °C and 1 atm enters the heating section of an air-conditioning system at a rate…

A: Given: Inlet temperature (T1)=13°CMass flow rate (m)=0.5kg/sOutlet temperature (T2)=30°C

Q: A conditioned space receives warm, humidified air during winter air conditioning in order to…

A: Given:

Q: The rate of heat transfer. The mass flow rate of the water" The exit velocity of the air stre

A: Given: The diameter of cooling section is, d=30 cm=0.3 m0.0147. The pressure at the cooling section…

Q: how much heat is added per m 3 initial moist air and what the final dew-point temperature is

Q: What are the dew point temperature, specific volume, enthalpy and absolute humidity of air at 30°C…

A: following is the answer to the above question- given data- dry-bulb temperature = 30 deg C relative…

Q: The atmospheric air at 30°C dry bulb temperature and 75% relative humidity enters a cooling coil…

Q: 1 kg/s air at 355k and 15 percent humidity is mixed with 5 kg/s at 310k and 20 percent humidity.…

Q: e air in an area (30.5°C and 30% humidity) has a volume of 96.6 cubic meters which must be replaced…

A: we are required to calculate the flow in the chiller

Q: During very cold weather at a 5000 ft high (1500 m high) mountain site in Colorado, the interior…

A: Air conditioning is the process in which air is prepared using controlled ventilation, humidity,…

Q: A fixed mass of air has a volume of 2.2 m3 and a pressure of 98 kPa. The dry-bulb temperature and…

A: Answer: ◆ The relative humidity: 55.98% ◆ The partial pressure of dry air: 95.8637 kPa ◆ The partial…

Q: The air in a room has a dry-bulb temperature of 22°C and a wet-bulb temperature of 16°C. Assuming a…

Q: explain why the basement of a house often has high relative humidity in the summer? A Hot air…

A: why the basement of a house often has high relative humidity in the summer?Hot air containing…

Q: One m3/s of air at 12°C and 50% RH is heated and humidified using saturated steam at 100 °C to a…

A: (a) Write the given data in the problem. V˙=1 m3/s td1=12°C td2=38°CRH1=50%RH2=50% Here, V˙…

Q: The desired final conditions of the air in the room are 22 °C and 65% relative humidity. To achieve…

Q: Moist air is heated to 34°C without adding water, 3°C to dry bulb and 2°C to wet bulb temperature).…

A: I have taken all the values from psychometric chart. For reference I have drawn the process so that…

Q: Ambient air enters a cooling coil at 24°C db-temperature and 50% relative humidity with a dry air…

A: The temperature of ambient air is T=24°C db. The relative humidity is 50%. The mass of the air flow…

Q: A stream of humid air at 50 C and an absolute humidity of 0.002 kgW/kgDA is mixed with saturated…

A: Given data: initial moisture content = 40 %wt= 0.4 kg Air feed rate at STP= 11.6 m3 / kg wet chips…

Q: An air-conditioning system operates at a total pressure of 1 atm and consists of a heating section…

A: Given: T1 = 14o C humidity = 60% V1=30 m^3/min T3=25o C humidity3= 45% To determine: (a) the…

Q: temperature of the air in a house is 24 °C and the relative humidity is 0.4. Since the air is cooled…

A: Given Data Td=24°C Relative humidity=0.4

Q: A wet cooling tower is to cool 60 kg/s of water from 40 to 26°C. Atmospheric air enters the tower at…

A: Cooling tower It is a device in which hot water from the plant such as thermal power plant is cooled…

Q: A closed vessel contains moist air at 30°C and 2.14 bar. When the system is cooled at constant…

A: Given that, moist air at, Dry bulb temperature = DBT = 30°C Pressure = P=2.14 bar Water droplets…

Q: How do you calculate relative humidity (RH) when given actual vapor pressure and water vapor…

A: It is required to express relative humidity

Question

14-116E The relative humidity of air at 80°F and 14.7 psia
is increased from 25 to 75 percent during a humidification
process at constant temperature and pressure. Determine the
percent error involved in assuming the density of air to have
remained constant.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Determine the percent error involved in assuming the density of air to have remained constant.

VIEW

Step 2: Find the percent error involved in assuming the density of air to have remained constant.

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 13 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Outdoor air at 35°C dry-bulb and 19°C dewpoint temperatures are to be mixed with room air at 26°C dry-bulb temperature and specific humidity of 0.0105 kgv/kga. The mass of outdoor air is one-third of the mass of the mixture. Find the following properties of the mixed air: Dry-bulb temperature Specific humidity Enthalpy Relative humidity Dewpoint temperature Specific volume
Draw neat diagram of this
Conditioned air at 13°C and 90 percent relative humidity is to be mixed with outside air at 34°C and 40 percent relative humidity at 1 atm. If it is desired that the mixture has a relative humidity of 60 percent, determine (a) the ratio of the dry air mass flow rates of the conditioned air to the outside air, (b) the temperature of the mixture, and (c) check your results by the psychrometric chart. Note: do not use the psychrometric chart for calculation.
Show step by step solution
Consider two rooms that are identical except that one is maintained at 25°C and 40 percent relative humidity while the other is maintained at 20°C and 55 percent relative humidity. Noting that the amount of moisture is proportional to the vapor pressure, determine which room contains more moisture.
Thermodynamics
A tank contains 21 kg of dry air and 0.3 kg of water vapour at 24°C and 100 kPa total pressure. Determine the humidity ratio, the relative humidity, and the volume of the tank. ( Ans: 0.0143 kgv/kgda, 75.3%, 18.31 m') Q 2:
which of the following properties is NOT true about moist air at standard condition which is at a dry bulb temperature of 340C and humidity ratio of 10g w/kg da ? 1. the relative humidity of the air is about 30% 2. The enthalpy of the air is about 55kj/kg 3.The specific volume of the air is about 0.884 m3/kg 4.The dew point temperature of the air is about 140C
An air-conditioning system operates at a total pressure of 1 atm and consists of a heating section and an evaporative cooler. Air enters the heating section at 12°C and 50 percent relative humidity at a rate of 20 m³/min, and it leaves the evaporative cooler at 25°C and 40 percent relatively humidity. Determine (a) the temperature and relative humidity of the air when it leaves the heating section, (b) the rate of heat transfer in the heating section, and (c) the rate of water added to air in the evaporative cooler.
A room contains 100 kg of dry air and 1.1 kg of water vapor at 26°C and 1 atm total pressure. The relative humidity of air in the room is
Without using the psychrometric chart, determine the humidity ratio and relative humidity of an air-water vapor mixture with a dry-bulb temperature of 90°F and thermodynamic wet-bulb temperature of 78°F. The barometric pressure is 14.7 psia.
Thermodynamics