A mixture of air and water vapour at 1.013 bar and 16 degree C has a...
A mixture of air and water vapour at 1.013 bar and 16 degree C has a dew point of 5degree C. Calculate the relative and specific humidity’s?
Homework Answers
Add Answer to:
A mixture of air and water vapour at 1.013 bar and 16 degree C
has a...
104. An air-water vapour mixture has a dry-bulb temperature of 333 K and a dew-point temperature...
104. An air-water vapour mixture has a dry-bulb temperature of 333 K and a dew-point temperature of 313 K. The total pressure is 101.3 kPa and the vapour pressure of water at 313 K is 7.3 kPa and that at 333 K is 19.91 kPa. The humidity of air expressed as kg of water vapour per kg of dry air is (a) 0.048 (b) 0.079 (c) 0.122 (d) 0.152
Toluene vapour at 1.013 bar (1.0 atm) and 150°C is to be cooled under constant pressure...
Toluene vapour at 1.013 bar (1.0 atm) and 150°C is to be cooled under constant pressure to a final temperature of 22°C. a) Determine the change of entropy of the system in J/mol·K. b) What is the change of entropy of the system J/mol·K if the final state is a vapour-liquid mixture that is 47 mol% vapour? Data: Use the heat capacity data in Table C1 for toluene as a gas and the data in Table C3 for toluene as...
(a) Explai in, using reference to appropriate gas laws why it is possible to treat water and air at atmospheric pressures and temperatures as a mixture of perfect gases. (6 marks) ( Explain the d...
(a) Explai in, using reference to appropriate gas laws why it is possible to treat water and air at atmospheric pressures and temperatures as a mixture of perfect gases. (6 marks) ( Explain the difference between the terms relative humidity and specific (6 marks) (c) An air conditioning unit is to supply air at 20°C, 1 bar, and relative humidity as means of quantifying the amount of water in air humidity 50% to a lecture theatre. Ambient conditions are 30°C,...
Question 6 (a) Define specific humidity w and hence prove that 0-0.62 where P is the...
Question 6 (a) Define specific humidity w and hence prove that 0-0.62 where P is the total pressure of the humid air and P, is the partial pressure of the vapour. (8 marks) (b) An air-water vapour mixture enters an air-conditioning unit at 1.013 bar, 30°C, with a relative humidity (RH) of 90%. The air-vapour mixture leaves the cooling coil at 1.013 bar, 15°C, with a relative humidity of 100%, and liquid condensate also leaves the coil at 15°C. Calculate:...
A2. Ethylene vapour C2H4 at 27°C is burned in a combustion chamber with 15% excess air, which is also supplied at 27 °C. The temperature and pressure of the products of combustion are 640 °C and 1.1...
A2. Ethylene vapour C2H4 at 27°C is burned in a combustion chamber with 15% excess air, which is also supplied at 27 °C. The temperature and pressure of the products of combustion are 640 °C and 1.1 bar respectively. The heat released in the combustion chamber is used to heat oil. The combustion chamber is well insulated (a) Obtain the stoichiometric and the actual chemical equation for this process [1596] [1096] (b) The air fuel ratio by mass for the...
1) An air-water vapor mixture at 95°F has a relative humidity of 45%. Calculate the partial...
1) An air-water vapor mixture at 95°F has a relative humidity of 45%. Calculate the partial pressure of the water vapor and its dew-point temperature. (Hint: Psychrometric chart is really useful for this.)
Question 1 a) A sample of water at a pressure of 10 bar has a temperature...
Question 1 a) A sample of water at a pressure of 10 bar has a temperature of 189.9 oC. What state is the water in? b) Superheated water vapour is held in a vessel at 0.5MPa. If the temperature of the vapour is 345 oC, then determine the specific enthalpy of the vapour. c) A liquid/vapour mixture of refrigerant 22(R-22) is stored at 10 bar and has a specific enthalpy of 220kJ/kg. Determine the quality of the mixture.
Air that is at its dew point of 5 degree C is drawn into a house...
Air that is at its dew point of 5 degree C is drawn into a house where the temperature is 20 degree C. What is the relative humidity at this temperature? Assume a constant pressure of 1 atm.
Air contains methanol at 75% relative saturation at 1 atm total pressure and 25 degree C....
Air contains methanol at 75% relative saturation at 1 atm total pressure and 25 degree C. a) Calculate the dew point b) Calculate the temperature required to condense 90% of the methanol as liquid if the total pressure remains constant
Calculate the speed of sound in water vapour (only) at 20 bar and 350oC utilizing (a)...
Calculate the speed of sound in water vapour (only) at 20 bar and 350oC utilizing (a) steam tables, and (b) assuming the water vapour behaves like an ideal gas
104. An air-water vapour mixture has a dry-bulb temperature of 333 K and a dew-point temperature of 313 K. The total pressure is 101.3 kPa and the vapour pressure of water at 313 K is 7.3 kPa and that at 333 K is 19.91 kPa. The humidity of air expressed as kg of water vapour per kg of dry air is (a) 0.048 (b) 0.079 (c) 0.122 (d) 0.152
(a) Explai in, using reference to appropriate gas laws why it is possible to treat water and air at atmospheric pressures and temperatures as a mixture of perfect gases. (6 marks) ( Explain the difference between the terms relative humidity and specific (6 marks) (c) An air conditioning unit is to supply air at 20°C, 1 bar, and relative humidity as means of quantifying the amount of water in air humidity 50% to a lecture theatre. Ambient conditions are 30°C,...
Question 6 (a) Define specific humidity w and hence prove that 0-0.62 where P is the total pressure of the humid air and P, is the partial pressure of the vapour. (8 marks) (b) An air-water vapour mixture enters an air-conditioning unit at 1.013 bar, 30°C, with a relative humidity (RH) of 90%. The air-vapour mixture leaves the cooling coil at 1.013 bar, 15°C, with a relative humidity of 100%, and liquid condensate also leaves the coil at 15°C. Calculate:...
A2. Ethylene vapour C2H4 at 27°C is burned in a combustion chamber with 15% excess air, which is also supplied at 27 °C. The temperature and pressure of the products of combustion are 640 °C and 1.1 bar respectively. The heat released in the combustion chamber is used to heat oil. The combustion chamber is well insulated (a) Obtain the stoichiometric and the actual chemical equation for this process [1596] [1096] (b) The air fuel ratio by mass for the...
1) An air-water vapor mixture at 95°F has a relative humidity of 45%. Calculate the partial pressure of the water vapor and its dew-point temperature. (Hint: Psychrometric chart is really useful for this.)
Air that is at its dew point of 5 degree C is drawn into a house where the temperature is 20 degree C. What is the relative humidity at this temperature? Assume a constant pressure of 1 atm.
Air contains methanol at 75% relative saturation at 1 atm total pressure and 25 degree C. a) Calculate the dew point b) Calculate the temperature required to condense 90% of the methanol as liquid if the total pressure remains constant
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago