The natural ventilation can be driven by:
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- The recommended relative humidity for a home is between A. 500/0 and 70%. B. and 40%. C. and 50%. D. and 60%.Why is information regarding the specific volume of gases important to the designer of air-conditioning, heating, and refrigeration equipment?The outside design temperatures in the summerin Tucson, Arizona, for 25% of the time are ______F dry-bulb and______F wet-bulb.
- For a room to be comfortable, the following conditions are considered average: ____F dry-bulb and ______% relative humidity.Humidification is a process which involves . water vapor per Kilogram of dry air Select one: a. Cooling b. Increasing c. Reducing d. HeatingFill the following blanks with a right word: k): During simple cooling process of air, specific humidity remains constant but its relative humidity
- Hi please show working? Thankyou ! An air conditioner cools humid air Temperature 1 =25 celcius Temperature 2 = 10 celcius Relative humidity 1 = 70% Determine the final relative humidity (2) and calculate: 1) the energy removed 2) the water mass extracted from the airFor a cooling tower the water enters at 50 C and leaves cooling tower at 40 C. The drybulb temperature and wet bulb temperature of entering air is 40 C and 30 C respectively. Then the range of cooling tower and approach of cooling tower are O a. 10 and 10 O b. 20 and 10 O c. 20 and 20 O d. 10 and 20No card B a m OO ON 94)| 1:50 mlms.hu.edu.jo/mod/qu 3 A 476 m rigid tank contains saturated Refrigerant-134a mixture at 700 kPa with 27% quality. A valve at the bottom of the tank is now opened, and only liquid is withdrawn from the tank. Heat is transferred to the refrigerant such that the pressure inside the tank remains constant. The valve is closed when no liquid is left in the tank and vapor starts to come out. What is the amount of R-134a that exited from the tank "kg"? R-134a Sat. vapor P = 700 kPa Sat. Liquid Select one: A. 42.72 B. 49.05 C. 45.49 D. 35.99 E. 39.55
- A summer air-conditioning shown below is required to maintain a certain room at specified conditions. The layout of the system is indicated on the next page and the specifications are listed below.System specifications:Required room temperature: 23⁰C, 50% Relative humidityAtmospheric pressure: 101 kPaOutside air conditions: 30⁰C, 80% Relative humidity Sensible heat gain: 5 kWLatent heat gain: 4 kWTemperature rise across fan: 1.5⁰CTemperature of air leaving cooler: 12⁰CTemperature of air entering room: 18⁰CApparatus dew point of cooler: 7⁰CTdb refers to .2 the moist air temperature. O none of the above. O the wet air temperature. O the most common air temperature. CDefine absolute humidity and relative humidity. When an air conditioner is operated insummer, lots of water needs to be drained out from it. Briefly explain this situation inrelation to psychrometry.