Materials Dried in Direct-Heat Rotary Dryers Ammonium nitrate prills Sand Ammonium sulfate Sodium chloride Blast furnace slag Sodium sulfate Calcium carbonate Stone Cast-iron borings Polystyrene Sugar beet pulp Urea crystals Urea prills Vinyl resins Cellulose acetate Copper Fluorspar Illmenite ore Oxalic acid Zinc concentrate

Q: 3. A long hollow cylinder has inner and outer radii R, and R2, respectively. The temperature of the…

A: Given details, For Hollow Cylinder of  Inner radius=R1 at Temperature T1 Outer radius=R2 at…

Q: The exterior wall of an industrial furnace should be covered with a 2-inch-thick thermal insulation…

A: Heat is transferred from a high temperature system to low temperature system. The main driving force…

Q: Question A small sphere of reference-grade iron with a specific heat of 447 J/kg.K and a mass of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: .A block of ice as a horizontal cylinder(height=Ddiameter%3D10CM) at OC is placed in an environment…

A: Whenever ice is kept in a surrounding with a temperature higher than 0oC, the ice block slowly…

Q: A large vertical plate 4 m high is maintained at 60°C and exposed to atmospheric air at 10°C.…

A:

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: Air at a dry ball temperature of 75 ° C and RH 4% is passed over the cooling coil until the air ball…

A:

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: Q2/ The specific heat capacity of copper metal is 0.38 J /K.g. Calculate the temperature rise of a…

A: Given: m= 100g  Cp = 0.38J/g.K Q = 250J

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: 12.3-2. Determination of Thermal Conductivity. In determining the thermal conductivity of an…

A: Heat flux q = 35.1 W/m2Temperature on one side T1 = 318.4 KTemperature on other side T2 = 303.2 K…

Q: The air at a dry ball temperature of 80 ° C and 8% RH is passed over the cooling coil so that the…

A:

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: W mᵒC A furnace is wall 300 mm thick is made up of an inner layer of fire brick K=0.80- covered with…

A:

Q: In order to increase the temperature of an unknown metal sphere by 11.89°C. 875.13 J of heat was…

A: The density of a substance is defined as the mass contained in a unit volume of the substance. The…

Q: OHOW much work must be done in order to cool the air in an otherwise empty room of dimensions 5.0 m…

A:

Q: The air at a dry ball temperature of 80 oC and 4 % RH is passed over the cooling coil so that the…

A: From psychrometric chart at 80 oC dry bulb temperature and 4% relative humidity: Enthalpy: 138.4 kJ…

Q: A 5 kg of steam at 121C and 90% vapor undergoes a isometric process until the pressure becomes 28…

A:

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: A spherical furnace has an inside diameter of 6 ft and an outside diameter of 8 ft. The furnace…

A: Given: Inside diameter is 6 ft Outside diameter is 8 ft (r1) Shell of two different materials each…

Q: A 7 cm-thick beef steak is being frozen in a -40°C room. The product has 73% moisture content,…

A: Freezing time using plank's constant is given by; tF={ρF Lf/TF-Ta} {[P' a/h] + [ R' a2/k]}where; ρF…

Q: 5. thick-walled tube of aluminum (k = 237 W/m °C) with 0.2m inner d 0.3m outer diameter (OD) is…

A:

Q: V1 Vapor 90 90 bpB 80 80 L2 70 70 V3 Liquid L3 60 60 50 L5 V5 L4 50 100% A 80 60 40 20 0% 0% 20 40…

A:

Q: Water with mass of 293.07 grams and at 15oC. is heated at constant pressure. the water is completely…

A: for water isCP= 4.187 kJ/kgK, T1=15oC,T2=100oC Q=mCPT2-T1 Q=293.071000×4.187×100-15 KJ Q=104.3 KJ

Q: (a) Assume that there is a negligible thermal gradient in the wall of the container (dT/dr is…

A: Consider a spherical conatiner is used to store reacting chemicals, whichresults in a uniform heat…

Q: Compare the heat given off by 1.0g of boiling water at 100 degrees celcius when it comes in contact…

A: When contact with skin 1 g of boiling water T=100℃→Changes to T=37℃ 1 g of Steam T=100℃→ Changes to…

Q: A drying gas in cross-flow enters at one end of a stack of trays at 90°C and leaves at 70°C. The…

A: Given that, The inlet temperature of drying gas Th,1 = 90oC The exit temperature of drying gas Th,2…

Q: 2. A 5 cm-thick beef steak is being frozen in a -30°C room. The product has 73% moisture content, a…

A:

Q: Saturated ammonia vapor at 25°C condenses on the outside surface of 16 thin-walled tubes, 2.5…

A: The properties of the ammonia at a given temperature are obtained. For a single horizontal tube, the…

Q: The air conditioning process in the humidifier, air at a dry bulb temperature of 30 °C and RH of 15%…

A: Dry bulb temperature of air= 300CInitial %RH of air=15%Final %RH of air=50%

Q: In the drying of a wet solid, if the air temperature is ĐA and the temperature of surface solid is…

A: Given, Temperature of wet solid is θS. Temperature of air is θA.   Drying is a process of transfer…

Q: 2. What is the work of the humidification process? a) Vaporization b) Freezing c) Condensing d) None…

A: Humidification is the mass transfer operation in which the water is evaporated and this evaporated…

Q: 2-13 A certain building wall consists of 6.0 in of concrete [k = 1.2 W/m - °C], 2.0 in of fiberglass…

A: Given, K for concrete = 1.2 W/m°C = 1.2 × 0.5778 Btu/h.ft°F

Q: (For numbers I1 to 14) A thick-walled tube of stainless steel [k = 19 W/m-°C] with 2-cm inner…

A:

Q: Given the weight of the hot-air balloon to be 600 lb. If the heated air inside the balloon has a…

A: Let us assume; Fa= Buoyancy force acting Wa= Weight of hot air inside the ballon Wh = weight of…

Q: Determination of Thermal Conductivity. In determining the thermal conduc- tivity of an insulating…

A:

Q: Q1. A blackened plate is exposed to the sun so that a constant heat flux of 600 W/m² is absorbed.…

A: L = 0.30 m t∞ = 200C qw = 600 W/m2 U = 4 m/s P = 1atm = 101 Kpa

Q: 5. Below is a section of an outside wall, with wood studs located 16" apart. brick (2.5 in) plywood…

A: Given, Dimensions of the wall = 8*12ft = 8*12/10.76= 8.92m2 The thickness and thermal conductivities…

Q: 140 120 e 100 80 60 40 20 20 20 66 86 100 120 Time (min) Answer the following questions for the…

A:

Q: Q3// While heating 4.5 applied. If the initial ter the final temperature? Sp J/g.C° ).

A: Since gold is solid it's melting point will be very high.Also Cp value constant is given. It means…

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.