Moist air at 32∘Cdb and relative humidity of 60% enter a refrigeration system with a flow rate of 90 kg/min. Saturated air at 15∘Cdb leaves the system. Calculate: (a) the heat removed, in kW (b) moisture removed, in kg/s

Q: Air enters a cooling tower at a rate of 1100 cubic meters per minute, at 15°C and 65% relative…

A: Air inlet state: T = 15 C and RH = 65%   Air at exit T = 31 C and RH = 100%

Q: indicated process, determine: (a) The dew point temperature (° C) (b) The volumetric flow of the air…

A:

Q: Air (R-0.287 kJ/kg.K, c=1.005 kJ/kg.K) is contained in a piston cylinder device, it expands first…

A:

Q: Air enters an air conditioning system at 78 kPa, 28°C, and relative humidity 31% at a rate of 4.2…

A:

Q: Q1: In an air-conditioning unit 3.5 m/s of air at 40 C dry-bulb temperature, 40 percent relative…

A:

Q: A 5.2m3 tank contains nitrogen, which is evacuated from 100kPag to a pressure of 98kPag vacuum.…

A: Answer: The mass of pumped out nitrogen is 6.3274 kg.  Hence, the correct answer is option (a).

Q: solve the problem

A: To solve the given problem, we'll use the psychrometric chart, which provides various properties of…

Q: (a) Air conditioning systems are most common device that used to achieve indoor environment comfort.…

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Q: 5. Dry winter atmospheric air at latm, 8°C and 50% humidity enter an HVAC system at a rate of…

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Q: Two streams of air, (A: Absolute humidity = 24 g water/ kg dry air; RH= 60% and B: T db =19 °C & RH…

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Q: In an air-conditioning unit 3.5 m3/s air at 27°C dry-bulb temperature, 21°C wet-bulb temperature,…

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Q: In an air conditioning system, the inside and outside conditions are dry bulb temperature 24°C,…

A: Given: Inside condition  tdbi=24oC  Relative humidity(ϕi)=50% Outside Condition tdb0=35oCtwbt=22oC…

Q: Air enters a natural draught cooling tower at 1.013 bar and 13 °C and relative humidity 50%. Water…

A: Given:

Q: 23. A 5.2m³ tank contains nitrogen, which is evacuated from 100kPag to a pressure of 98kPa vacuum.…

A: Dear student as per the given data it is not possible that some mass is pumped out. Infact it is…

Q: Return air at 25°C and fresh outdoor air at 35°C is mixed in an adiabatic mixing chamber. If 22% of…

A: Temperature of returned air = 25 oC Temperature of outdoor air = 35 oC After mixing, 22% of the…

Q: A compressor delivers 600 m3 of free air per hour at a pressure of 7 bar gauge and temparature of 50…

A: Given data: The volumetric flow rate of free air, V = 600 m3/h. Pressure of compressed air, P1 = 7…

Q: A large room contains moist air at 35 deg C, 104 kPa. The partial pressure of water vapor is 1.8…

A: Given:Find:The relative humidity, Humidity ratio, The dew point temperature, The mass of dry air in…

Q: Air enters an air conditioning system at 78 kPa, 28°C, and relative humidity 31% at a rate of 4.2…

A: Given: P1=78kPaT1=28°Cφ1=31%V˙1=4.2m3/min

Q: 5. On a summer day, the pressure is 1 atm, the temperature is 32°C, and the relative humidity is 95…

A:

Q: A bedroom is to be conditioned that the total heat load is 20 kW and the sensible heat ratio is 0.4.…

A: Given that, RH=55 %,Outside:-32 °C DB23 °C WBEneters room at 17 °C, Apply mass flow rate = total…

Q: Air (R-0.287 kJ/kg.K, c-1.005 kJ/kg.K) is contained in a piston cylinder device, it expands first…

A:

Q: Q1. The cooling water from the condenser of a power plant enters a wet cooling tower at (35° C) at a…

A: 1.

Q: Atmospheric air with an air flow rate of 200 liter/min and a dry bulb temperature of 35 °C and…

A:

Q: the latent heat represents

A: This question is based on the concept of latent heat of vaporization from thermodynamics.