1. "For questions 2, 3, and 4 you have a state point of 10C and 60% rh, give the values for these other properties. Enthalpy in kJ/kg dry air (within 2 kJ/kg da)" 2. "For questions 2, 3, and 4 you have a state point of 10C and 60% rh, give the values for these other properties. Moisture content in kg water vapour/kg dry air (within 0.0004 kg wv/kg da)" 3. "For questions 2, 3, and 4 you have a state point of 10C and 60% rh, give the values for these other properties. Specific volume in m3/kg dry air (within 0.01 m3/kg da)". 4. "Using the chart, find the relative humidity (in %) corresponding to a wet bulb temperature of 10C and a dry bulb temperature of 19C. (RH within 3%)" 5. What is the moisture content of this air/water vapour mixture in the previous question? (within 0.0004 kg wv/kg da) 6. "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 9) What is the moisture content of the outside air in kg water vapour/kg dry air? (within 0.0004 kg wv/kg da)" 7. "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 10) What is the dew point temperature of the outside air in °C? (within 1.5C)" 8. "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 11) What is the moisture content of the outside air that is cooled to the inside basement wall temperature in kg water vapour/kg dry air? (within 0.0004 kg wv/kg da)" 11) "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 12) Will this approach work?" 12) "Questions 13 and 14. If the fan moves 85 m3 of air per hour through the basement, this is the equivalent of a 50.03 cfm (cfm=cubic feet per minute) bathroom fan. Assuming the density of the air is 1.1123 kg/m3 and that 50% of the ventilated air makes contact with the walls for long enough to reach the wall temperature, using the psychrometric chart, how much moisture will be moved into or out of the basement in 24 hours? 13) What is the total weight (in kg) of the air that is brought into the basement and cooled to the basement wall temperature in 24 hours? (within 5%)" 13) "Questions 13 and 14. If the fan moves 85 m3 of air per hour through the basement, this is the equivalent of a 50.03 cfm (cfm=cubic feet per minute) bathroom fan. Assuming the density of the air is 1.1123 kg/m3 and that 50% of the ventilated air makes contact with the walls for long enough to reach the wall temperature, using the psychrometric chart, how much moisture will be moved into or out of the basement in 24 hours (using conditions from questions 9, 10, 11, and 12) ? 14) What is the total weight (in kg) of the water vapour that is removed or added to the basement in 24 hours? (within 5%)" 14) "Questions 13 and 14. If the fan moves 85 m3 of air per hour through the basement, this is the equivalent of a 50.03 cfm (cfm=cubic feet per minute) bathroom fan. Assuming the density of the air is 1.1123 kg/m3 and that 50% of the ventilated air makes contact with the walls for long enough to reach the wall temperature, using the psychrometric chart, how much moisture will be moved into or out of the basement in 24 hours (using conditions from questions 9, 10, 11, and 12) ? 14) What is the total weight (in kg) of the water vapour that is removed or added to the basement in 24 hours? (within 5%)"
1. "For questions 2, 3, and 4 you have a state point of 10C and 60% rh, give the values for these other properties. Enthalpy in kJ/kg dry air (within 2 kJ/kg da)"
2. "For questions 2, 3, and 4 you have a state point of 10C and 60% rh, give the values for these other properties. Moisture content in kg water vapour/kg dry air (within 0.0004 kg wv/kg da)"
3. "For questions 2, 3, and 4 you have a state point of 10C and 60% rh, give the values for these other properties. Specific volume in m3/kg dry air (within 0.01 m3/kg da)".
4. "Using the chart, find the relative humidity (in %) corresponding to a wet bulb temperature of 10C and a dry bulb temperature of 19C. (RH within 3%)"
5. What is the moisture content of this air/water vapour mixture in the previous question? (within 0.0004 kg wv/kg da)
6. "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 9) What is the moisture content of the outside air in kg water vapour/kg dry air? (within 0.0004 kg wv/kg da)"
7. "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 10) What is the dew point temperature of the outside air in °C? (within 1.5C)"
8. "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 11) What is the moisture content of the outside air that is cooled to the inside basement wall temperature in kg water vapour/kg dry air? (within 0.0004 kg wv/kg da)"
11) "Questions 9, 10, 11, 12, a friend has a house in Toronto and is complaining of a damp, musty smelling basement. He tells you that to dry it, he will open the basement windows and have a fan blow outdoor air through the basement. Outdoor conditions are 33C and 70% rh, and the inside temperature of the concrete block basement walls is 17C. Using the psychrometric chart you can prove whether or not this approach will work. 12) Will this approach work?"
12) "Questions 13 and 14. If the fan moves 85 m3 of air per hour through the basement, this is the equivalent of a 50.03 cfm (cfm=cubic feet per minute) bathroom fan. Assuming the density of the air is 1.1123 kg/m3 and that 50% of the ventilated air makes contact with the walls for long enough to reach the wall temperature, using the psychrometric chart, how much moisture will be moved into or out of the basement in 24 hours? 13) What is the total weight (in kg) of the air that is brought into the basement and cooled to the basement wall temperature in 24 hours? (within 5%)"
13) "Questions 13 and 14. If the fan moves 85 m3 of air per hour through the basement, this is the equivalent of a 50.03 cfm (cfm=cubic feet per minute) bathroom fan. Assuming the density of the air is 1.1123 kg/m3 and that 50% of the ventilated air makes contact with the walls for long enough to reach the wall temperature, using the psychrometric chart, how much moisture will be moved into or out of the basement in 24 hours (using conditions from questions 9, 10, 11, and 12) ? 14) What is the total weight (in kg) of the water vapour that is removed or added to the basement in 24 hours? (within 5%)"
14) "Questions 13 and 14. If the fan moves 85 m3 of air per hour through the basement, this is the equivalent of a 50.03 cfm (cfm=cubic feet per minute) bathroom fan. Assuming the density of the air is 1.1123 kg/m3 and that 50% of the ventilated air makes contact with the walls for long enough to reach the wall temperature, using the psychrometric chart, how much moisture will be moved into or out of the basement in 24 hours (using conditions from questions 9, 10, 11, and 12) ? 14) What is the total weight (in kg) of the water vapour that is removed or added to the basement in 24 hours? (within 5%)"
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