Fluid Mechanics II Question 4: Answer the following: (An insoluble wet granular material is dried in a pan 0.2 m² and 25 mm deep. Heat transfer is by convection froman air stream at a velocity 6 m/sec. The air is at 310 K and RH%-30%, it has density about 1.1 kg/m³.A) Using the figure below to calculate: 1) humidity (H), 2) humid heat (S), 3) temperature at dew point (Tdew),4) temperature at wet point (Twet) and 5) latent heat (2.) (:B) Using the results that obtained in section A) to estimate the rate of drying (kg/sec) for the constant rate periodwhen the . is 2500 kJ/kg (

Step 1: Step 2: Step 3: Step 4:

Answered: Question 4: Answer the following: ( An…

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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Please answer in clear handwriting. a room is at 20-degree Celsius and have a relative humidity of 50 % and is heated to 50 degrees Celcius with a heater that has a flow rate of 50 m ^3 per minute we have to maintain the relative humidity of 50% DetermineA) Q dot heater in KJ/minB) mass flow rate of water in teaspoon/min.Consider 1 teaspoon as 25mlNote:Solve it properly by mass energy balance Equation
Psychrometric process A room has dimensions of approximately 10m x 10m x 3m. Assume the air inside the room to be at T= 20 oC, P = 100 kPa, Relative Humidity = 50% a. If all of the water vapor in the air of the room could be converted to liquid at the same temperature, what is the volume of the liquid (mL)? b. If the room temperature were slowly cooled without changing the composition of air, at what temperature would you expect to see condensation occurring (oC)?
10 kg of food has a moisture content of 260% (dry basis), is dried to a moisture content of 50% wet basis Determine the amount of water lost (kg) Answer:
Consider an hotel room with the given conditions: The room dimensions are 2.5mx4mx5m. One side has dimensions 2.5 m x 4 mand is entirely glazed with interior surface temperature 10°C. The other surfaces are at 20°C. The air is at 22°C dry-bulb temperature and 30% relative humidity. a) What is the MRT? b) What is the operative temperature? c) Are these conditions within the comfort limits of ASHRAE?
In continental interior areas of Canada, winter air is usually cold and dry (contains little moisture vapour). Suppose the outside temperature is -10 °C and the relative humidity is 70%. If this air is then brought into a building and heated to 20 °C, what will the new relative humidity be? What kind of conditions would a person living or working in this building experience?
In an isothermal process, the internal energy of gas molecules Select one: O a. Decreases O b. Remain constant c. Increases O d. May increase/decrease depending on the properties of gas
Indoor air dry bulb temperature and relative humidity are 23 C and 45%, respectively. Determine a) the specific humidity ( d, kg/kg ); b) dew point temperature ( Tdp, C ); c) water vapor mass fraction ( Yv, kg/kg ); d) dry mass fraction ( Ya, kg/kg). Data: (if needed) Atmospheric pressure for all problems B = 100 kPa. Universal gas constant Ro = 8314.472 J/(kg.K) Air ideal gas constant R = 287 J/(kg.K) Atomic weights in kg/kmol: Carbon – 12.0107; Nitrogen – 14.0067; Oxygen – 15.9994 Isentropic exponent: k = 1.67 for monatomic gases; k = 1.40 for diatomic gases; k = 1.29 for polyatomic gases. Wien's displacement constant: b=0.0028977685 m.K. Standard state conditions: P =101325 Pa, T=273.15 K.
HELP ME ASAP PLS Consider: Relative Humidity at 1500m, in % Round to one (1) decimal place 6. Estimate the vapor pressure, air pressure, relative humidity, and air density at a height of 1800 m into the atmosphere. The total pressure is 101 kPa, air temperature is 25°C and the dew point temperature is 15°C near the ground, the lapse rate 7.5°C/km, which is constant for both air temperature and dew point temperature. The gas constant R is 287 J/kg-K and constant with respect to altitude.
In the air conditioning process in the humidifier, air at a dry bulb temperature of 30 degrees C and RH of 10% increases its RH to 50%. Determine the amount of moisture added in the humidifier per kg of dry air: ....
A 2.5 m tall steel cylinder has a cross sectional area of 1.5 m ^{2}m2. At the bottom with a height of 0.5 m is liquid water on top of which is a 1 m high layer of gasoline, relative density of 0.8. The gasoline surface is exposed to atmospheric air at 101 kPa. What is the total mass of the liquid in the cylinder? a. 2000 kg b. 1250 kg c. 1625 kg d. 3250 kg
HELP ME ASAP PLS Consider: Air Density at 1500m, in kg/m³ Round to three (3) decimal places 5. Estimate the vapor pressure, air pressure, relative humidity, and air density at a height of 1800 m into the atmosphere. The total pressure is 101 kPa, air temperature is 25°C and the dew point temperature is 15°C near the ground, the lapse rate 7.5°C/km, which is constant for both air temperature and dew point temperature. The gas constant R is 287 J/kg-K and constant with respect to altitude.
Plz solve all parts Air in a vegetable storage room is at 5°C dry bulb temperature and 1°C dew point temperature. a) Determine the following properties of the air and show them on a schematic drawing of the psychrometric chart: absolute humidity, relative humidity, specific volume, enthalpy, and wet bulb temperature. b) At what temperature will moisture in this air begin to condense as water droplets? c) At what temperature will frost form?

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