Which of the following processes will not result to an increase in absolute humidity of the air? solids drying using heated air none of the choices evaporative cooling of a liquid stream air and water contact in a cooling tower cooling air beyond its dew point

Q: a. Discuss the two main general principles in drying. b. The air emerging from a dryer, with an exit…

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Q: Which one of the following uses high temperature of about 600°F to produce electricity? a.…

A: Temperature: 600 F which sources use this temperature for the production of electricity?

Q: Ice cubes are made by taking heat away from water. Suppose you put 2.50 kg of 40 degrees C water in…

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Q: Air at dry ball temperature 90 ° C and RH 8% is passed over the cooling coil so that the air dry…

A: Given that, Initial dry bulb temperature T1 = 90oC Initial Relative humidity RH = 8% Dry bulb…

Q: Now explore the influence of the mass of the block. Using the copper block and a 4.0 second flame,…

A: Given that, The initial temperature of 10 g block T1 = 20oC The final temperature of 10 g block T2 =…

Q: 2. Two wooden panels of a building's wall are separated by a layer of insulation (Layer B). The…

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Q: Choose the correct option: 10. What is the main characteristic of multiple effect evaporators? a)…

A: in multiple effect evaporators 2 or more evaporators are put in series in such a way that steam…

Q: Choose the correct option: 7. Which of the following metals best transfers heat? a) Gold b) Copper…

A: It is required to determine the metals that transfers the heat best.

Q: Select all that apply for  saturated vapor:     It refers to a point on a T-v diagram on a specific…

A: The saturated vapor is a substance that exists completely as vapor at its saturation temperature. On…

Q: Fuel flows in to the burner and is burnt with air provided from an air blower. * true O False O Nan

A: It is to be determined whether fuel flowing into the burner is burnt with air provided from an air…

Q: A wall of a house is made of 0.2 m layer of brick followed by 0.05 m of plaster. Calculate the…

A: Given data: Thickness of layer of brick = 0.2 m Thickness of plaster layer = 0.05 m Thermal…

Q: 10 cm thick beef steak will be frozen in the freezer room -25 degrees Celsius. This product has a…

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Q: Aluminum has a specific heat of 0.897 J/g °C. How much heat is needed to raise the temperature of a…

A: Given: Specific heat = 0.897 J/g. C   Mass (m) = 79 gm Temperature: T1 = 25 C (ambient assumed), T2…

Q: Answer the question below: Experiment 1: Calibration of a Calorimeter Results Time (in minutes)…

A: Before HeatingTime minutes Temperature (C)024.50.524.61.024.71.524.82.024.92.524.93.025.0Heater…

Q: Use the on-line psychrometric chart (link in this module) to help solve this problem. The surface…

A: Given data: Surface temperature of the steel duct = 18 0C Dry bulb temperature of the surrounding…

Q: Air at a dry ball temperature of 85° C and 5% RH is passed over the cooling coil so that the air dry…

A: Given Data: Dry bulb temperature TDB1 = 85 °C Relative Humidity RH% = 5% Dry bulb temperature TDB2 =…

Q: Choose the correct option: 8. Considering the physical and chemical properties, abundance, and even…

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Q: A composite wall is formed of a 2.5-cm copper plate, a 3.2-mm layer of asbestos, and a 5-cm layer of…

A: Composite wall dimensions are as follows,Thickness of copper plate = 2.5 cm, Thickness of asbestos =…

Q: Specific heat capacity is constant for all materials Select one: O True O False

A: Answer: False

Q: Slab building boards contain 17% moisture by weight. They are dried to a water content of 1% by…

A: Given that, The weight% of moisture in the building boards = 17% The weight% of solids in the…

Q: A mixture of chemicals is warmed slightly. As a consequence, althoughno more heat is added, the…

A: An endothermic reaction is the one in which heat is absorbed from the surroundings to the reaction…

Q: Give the properties of an ideal gas.

A: The matter is present in form of state which is one of the distinct forms in which matter can exist.…

Q: Calculate the accentic factor of oxygen gas at 30 C and 5Mpa.

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Q: Warm body fiulds remove neat Trom the body as they expelled and evaporated is a prOcess of losing…

A: In the human body, there are five modes of heat loss. They are as follows: Evaporation Respiration…

Q: Calculate the theoretical flame temperature, in Kelvin, when ethylene at 25C is burned with 48 %…

A: Write the reaction for the combustion of ethylene as follows: C2H4 + 3O2 → 2CO2 + 2H2O   1 mole of…

Q: 3. The specific heat of aluminium is 0.22 call/g-C°. that is the value of the specific heat in a)…

A: Consider Aluminum with its specific heat of  0.22 cal g-1°C-1.

Q: The following physical properties for carcass cooling: p = 1073 kg / m3, cp = 2.48 kJ / kg ° K and k…

A: Given: Physical properties of the carcass: Density, ρ = 1073 kg/m3 Specific heat capacity, Cp = 2.48…

Q: Why is it that when a bagasse is dried at above100 degrees Celsius at the dryer chemical process…

A: It is to be stated that why all water gets removed from bagasse if it is dried above 100 degree…

Q: A large plate of aluminum alloy 2024-t6 5.0 cm thick at a temperature of 250°C is exposed to a…

A: The characteristic length is obtained from the ratio of volume and area. The length is obtained in…

Q: A radiant-heating system is installed in the plaster ceiling of a room 36 ft long by 18 ft wide by 9…

A: Given dimension of ceiling room is 36ft long, 18 ft wide and 9ft high. Temperature of concrete floor…

Q: Consider that an iron is forgotten to be open throughout two days while its surface temperature is…

A: As given heat transfer is taking from iron to air ,it is a convection mode of heat transfer.…

Q: Cold work means involving source of ignition, with the presence of sufficient heat; working with…

A: Answer is False  Cold work means involving source of ignition, with the presence of sufficient…

Q: air at dry ball temperature 90 ° C and RH 8% is passed over the cooling coil so that the air dry…

A: Given that, Initial dry bulb temperature T1 = 90oC Initial Relative humidity RH = 8% Dry bulb…

Q: Problem 1. A copper slab of thickness 2mm is coated with lead of thickness 1mm on one side. Lead…

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Q: The heat coefficient (h) in forced convection is higher than in free convection Select one: OTrue…

A: Heat transfer coefficient for forced convection is higher than free convection. Select this sentence…

Q: As as chemical engineer analyse how does the choice of humidification method, such as adiabatic or…

A: Cooling towers are essential components of many chemical process plants, used to dissipate heat from…

Q: Explain the following terms ➢ Drying process ➢ Moisture content of a material ➢ Rate of drying of a…

A: Given  Some terms   Drying process  Moisture content of a material Rate of drying of a granular…

Q: Material Density Specific Latent Heat Latent Heat Thermal of Fusion, of Нeat kgK. Conductivity W…

A: Considered a heater blanket of 2000 W having a negligible thickness and the heat is the transfer…