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If you add 3 kg of water vapor to 27 kg of Nitragen and the overall...
absolute humidity at atmospheric pressure at 27 C is 0.011 kg water / dry air determine:...
absolute humidity at atmospheric pressure at 27 C is 0.011 kg water / dry air determine: a. water vapor partial pressure (kPa) b. relative humidity (%) c. dew point temperature (C)
5) In a steamy sauna, the wall is colder than the rest of the sauna. The...
5) In a steamy sauna, the wall is colder than the rest of the sauna. The sauna starts off at a relative humidity of 0.60 and steam is continously added to the sauna. If the wall stays at a constant temperature of 15 celcius, what is the water vapor partial pressure (kPa) next to the wall when condensation forms? 6) For atmospheric air at dry bulb temperature of 30 celcius and wet bulb temperature of 25 celcius, what is the...
SKMM 2423 QUESTION 4 a) Cold water flows through a metal pipe, which is not insulated The pipe is loc ated in am am...
SKMM 2423 QUESTION 4 a) Cold water flows through a metal pipe, which is not insulated The pipe is loc ated in am ambient air, which is at a higher temperature and humidity, What do you think would be observed on the surface of the pipe? Describe briefly the reason for this 5 marks) b) A sling psychrometer shows a dry bulb and wet bulb temperature readings of 25°C and 20°C, respectively. The atmospheric pressure is 101 325 kPa. Using...
Please write clearly and explain the process step-by-step. Thanks! 4. A 5-m x 5-m x 3-m...
Please write clearly and explain the process step-by-step.
Thanks!
4. A 5-m x 5-m x 3-m room contains air at 25 C and 100 kPa at a relative humidity of 75 percent. Determine (a) the partial pressure of dry air, (b) the specific humidity, (c) the enthalpy per unit mass of the dry air, and (d) the masses of the dry air and wa ater vapor in the room.
the result of air measurements obtained dry bulb temperature 48 C and wet bulb temperature 29...
the result of air measurements obtained dry bulb temperature 48 C and wet bulb temperature 29 C. By using a psychrometric chart, detemine the nature of air aa follows: a. air humidity (%) b. water content (kg water/ kg air) c. specific volume (m³/kg) d. enthalpy (kj/kg) e. condensation temperature (C) If air is in the room 162 m³, determine: f. air weight (dry air and water vapor) g. the amount of the water in the room (kg) pls help...
1. A room in Universiti Malaysia Pahang, Pekan Campus contains atmospheric air at 30°C and 45%...
1. A room in Universiti Malaysia Pahang, Pekan Campus contains atmospheric air at 30°C and 45% of temperature and relative humidity, respectively. Partial pressure of the dry air is 96 kPa with its standard specific heat of 1.005 kJ/kg K. Determine for this air its specific humidity (in kg H2O/kg dry air), and specific enthalpy (in kJ/kg dry air).
Water vapor (1.2 kg ) at 0.2 kPa and 30 ∘C is cooled in a constant...
Water vapor (1.2 kg ) at 0.2 kPa and 30 ∘C is cooled in a constant pressure until condensation begins. a)Water vapor (1.2 kg ) at 0.2 kPa and 30 ∘C is cooled in a constant pressure until condensation begins. b)Determine the change of enthalpy (ΔH) treating water as the system. c)What-if scenario: What would the boundary work transfer be if all the vapor condensed? d)What-if scenario: What would the change of enthalpy be if all the vapor condensed?
1 kg of atmospheric air initially at 30 ºc and 60% relative humidity is cooled slowly,...
1 kg of atmospheric air initially at 30 ºc and 60% relative humidity is cooled slowly, at a constant pressure of 100 kPa, to a final temperature of 5 ºc. a. What is the saturation pressure of water at the initial temperature? b. What is the partial pressure of water vapor (vapor pressure) at the initial condition? c. What is the partial pressure of dry air at the initial condition? d. What is the initial humidity ratio? e. What is...
A combined cycle gas turbine/vapor power plant uses the turbine exhaust as the energy source for...
A combined cycle gas turbine/vapor power plant uses the turbine exhaust as the energy source for the boiler. Each power system uses a single turbine. The gas power system is modeled as an ideal air-standard Brayton cycle. The vapor power system is modeled as an ideal Rankine cycle. Given specific operating conditions determine the temperature and pressure at each state, the rate of heat transfer in the boiler, the power output of each turbine, and the overall efficiency. --Given Values--...
Please show all work 1 out of 3 attem A tank contains 23.07 kg of dry air and 0.238 kg of water vapor at 30°C and 97 kPa total pressure. Determine (a) the specific humidity kg H2O/kg dry air (Round y...
Please show all work 1 out of 3 attem A tank contains 23.07 kg of dry air and 0.238 kg of water vapor at 30°C and 97 kPa total pressure. Determine (a) the specific humidity kg H2O/kg dry air (Round your answer to four decimal places) (b) the relative humidity, % (Round your answer to one decimal place) and (c) the volume of the tank. 3 m (Round your answer to one decimal place) 1 out of 3 attem A...
5) In a steamy sauna, the wall is colder than the rest of the sauna. The sauna starts off at a relative humidity of 0.60 and steam is continously added to the sauna. If the wall stays at a constant temperature of 15 celcius, what is the water vapor partial pressure (kPa) next to the wall when condensation forms? 6) For atmospheric air at dry bulb temperature of 30 celcius and wet bulb temperature of 25 celcius, what is the...
SKMM 2423 QUESTION 4 a) Cold water flows through a metal pipe, which is not insulated The pipe is loc ated in am ambient air, which is at a higher temperature and humidity, What do you think would be observed on the surface of the pipe? Describe briefly the reason for this 5 marks) b) A sling psychrometer shows a dry bulb and wet bulb temperature readings of 25°C and 20°C, respectively. The atmospheric pressure is 101 325 kPa. Using...
Please write clearly and explain the process step-by-step.
Thanks!
4. A 5-m x 5-m x 3-m room contains air at 25 C and 100 kPa at a relative humidity of 75 percent. Determine (a) the partial pressure of dry air, (b) the specific humidity, (c) the enthalpy per unit mass of the dry air, and (d) the masses of the dry air and wa ater vapor in the room.
1. A room in Universiti Malaysia Pahang, Pekan Campus contains atmospheric air at 30°C and 45% of temperature and relative humidity, respectively. Partial pressure of the dry air is 96 kPa with its standard specific heat of 1.005 kJ/kg K. Determine for this air its specific humidity (in kg H2O/kg dry air), and specific enthalpy (in kJ/kg dry air).
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