Required informationNOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.The dry- and wet-bulb temperatures of atmospheric air at 92.5 kPa are 25°C and 17°C, respectively. The specific heat atconstant pressure is 1.005 kJ/kg·℃. Use data from the tables. Solve using an appropriate software.Determine the relative humidity. (You must provide an answer before moving on to the next part.)The relative humidity is%.

Refer “saturated water-temperature table”, and find out the pressure at a temperature of 17 degree…

Answered: Required information NOTE: This is a…

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

Similar questions

1-What is fog? Show on the psychrometric chart when two air streams yield fogged state of air? 2-Show the following processes on the skeleton psychrometric chart: (a) Dehumidification of moist air by cooling; and (b) Adiabatic mixing of two air streams? 3-With the help of psychrometric chart, explain the following processes: 1. Sensible heating and sensible cooling process; 2. Heating and dehumidification process : 3. Cooling and humidification process; and 4. Cooling and dehumidification process? 4- Prove that the partial pressure of water vapour in the atmospheric air remains constant as long as the specific humidity remains constant? 5-An unsaturated air stream is undergoing adiabatic saturation process and the outgoing air is saturated. Draw the system schematically. Represent the process on T-s and psychrometric charts. Find, for the incoming stream of air, humidity ratio from the adiabatic saturation equation obtained from heat balance? 6-Prove that the enthalpy of the…
1. Which has the lowest water content? A. dew point at 20 deg. C B. 70% RH C. absolute humidity of 0.05 D. 60% saturation 2. If the temperature of the exit wet air is at 68 deg. F, calculate the % humidity of the exit air. A. 30% B. 45% C. 50% D. 70% 3. Which of the following is true for the experiment? a. drag force exerted increases b. sphere never reaches terminal velocity c. sphere reaches terminal velocity d. drag force exerted decreases
absolute humidity at atmospheric pressure at 27 °C is 0.015 kg water / kg dry air. Specify:a. water vapor partial pressure (kpa)b. relative humidity (%)c. dew point temperature (° C)
Using a psychometric diagram, describe the heating and humidification process from the following data. Initially the air was at dry bulb temperature (DBT) 35 ° C and RH 35%. air preheated to DBT 85 ° C. The heated air is then flowed through a humidifier to increase the RH to 25%. for this process, count, a. change in absolute humidity of air from initial to final conditions = ..... (kg water / kg air) b. change in air enthalpy from initial to final conditions = ..... (kj / kg air)
In an air sample with a dry-bulb temperature of 28°C and a wet-bulb temperature of 22°C what is the (relative humidity)?
2,000 m3 /h of return air at 25 °C and 40% relative humidity are mixed with 500 m3 /hof outside air at 3 7 °C and 60% relative humidity before entering a cooling coil. Themixed air is then cooled sensibly to 1 7 °C.Sketch the process on the psychrometric chart and find the followings:a- Humidity ratio of mixed air before entering the cooling coil.b- Enthalpy of mixed air before entering the cooling coil.c- Relative humidity and d~w point temperature of the supply air.d- Coil cooling capacity.
If superheated humid air is cooled at 1 atm, the system follows a horizontal path to the left on the chart until the saturation curve (dew point) is reached; thereafter, the gas phase follows the saturation curve.
Calculate (a) the specific volume, (b) the enthalpy, and (c) the absolute humidity of the air at 40 ° C and the relative humidity of 49%, at a barometric pressure of 770 mm Hg. a) specific volume = .... m³ / kg b) enthalpy = ... (kj / kg air) c) absolute humidity = .... (kg water / kg air)
Example 2: Moist air at 35C db, and specific volume 0.89 m3/kg. Determine: - Enthalpy h, Specific humidity .
2. The dry bulb temperature and wet bulb temperature are respectively 25 oC and 15 oC at a certain location. Determine Dew-point Temperature, Relative Humidity, Saturation Vapor Pressure and Actual Vapor pressure.
An air-conditioning system operates at a total pressure of one atmosphere and consists of a heating section and an evaporative cooler. Air enters the heating section at 10 °C and 70 percent relative humidity at a rate of 30 m3/min, and it leaves the evaporative cooler at 20 °C and 60 percent relative humidity. Use this information to answer the following question. Choose the nearest value given in (a) – (e).The rate of water added to air in the evaporative cooler (kg/min) is (a) 0.12 (b) 0.67 (c) 13 (d) 37 (e) 67
If the air temperature is 85°F, what is the water vapor pressure corresponding to a relative humidity of 55 percent and at 55°F with 25 percent relative humidity.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS