A 1¼ -inch schedule 40 steel pipe is insulated with a 2-in layer of asbestos covered by a 3-in layer of 85% magnesia. If the temperature inside the pipe wall is 300 F and the atmospheric temperature is 80 F, what is the heat loss per foot of pipe?

Q: Write an equation for a precipitation reaction and indicate when precipitation is thermodynamically ...

A: Precipitation is a process in which the insoluble salts are formed from the solution and deposit in ...

Q: A thin wira with L- 22.13 cm has a uniform linear charge density of X = 5.635 · 1c/m. This wire is c...

A:

Q: Calculate the density of mercury in Ibm/ft^3 from a tabulated specific gravity. And calculate the vo...

A: Let the calculations be done at room temperature of 20°C. From the standard table for specific gravi...

Q: Coconut milk was extracted from fresh coconut flesh. The rheological behavior of coconut milk contai...

A: Note: Since we only answer 1 question, we’ll answer the first one. Please resubmit another question ...

Q: Under what circumstances would it be advisable to conduct laboratory or pilot-plant tests of a propo...

A: The circumstances under which it is advisable to conduct laboratory or pilot-plant tests of a propos...

Q: I have asked this question but it was rejected. I am submitting the problems to check my understandi...

A:

Q: ti- kihat is the approximation of fick's equation C Hint: the first three terms)!

A: The first law of Fick’s gives the relationship between the diffusive flux and the concentration grad...

Q: A stirring tank reactor is to be filled with an unknown liquid (density 1200 Kg/m , Viscosity: 0.06k...

A:

Q: A wetted-wall tower is used to ‘‘aerate’’ water using air at 2.0 atm total system pressure and 20⁰C....

A: 1. The maximum mole fraction of oxygen that could be dissolved in the water is to be determined.   F...

Q: Chemical Engineering Question

A: The DO of the water body is to be determined.

Q: Use the acidity model  pH = −log[H+],  where acidity (pH) is a measure of the hydrogen ion concentra...

A: Since pH is given by  pH = −log[H+]   [H+] = concentration of H+ ions 

Q: Before being recirculated to a dryer, air at 96oF, 1 atm, and 70% relative humidity is to be dehumid...

A:

Q: Stack gases leave a boiler, pass througha square steel duct 3 ft by 3 ft and 16 ft long, and enter a...

A: The heat transfer coefficient in the duct of the gases is to be calculated in the appropriate units....

Q: A process is being developed to produce carbonated beverages. As part of this process, a wetted-wall...

A: (a) The maximum possible concentration of dissolved CO2 in water at 2.54 atm CO2 partial pressure is...

Q: Solutions of hydrogen in palladium may be formed by exposing Pd metal to H2 gas. The concentration o...

A: Mass of H2 gas (solute), mH = 0.94 g Mass pf palladium metal (solvent), mP = 215 g Density of soluti...

Q: Q1. Differentiate between absorption and adsorption based on their principle of operation and give a...

A: The difference between Adsorption and Absorption is to be mentioned based on the principle along wit...

Q: a. For the production of olive oil, the olives are washed, crushed, malaxated, and separated into oi...

A:   The olive oil is produced by olives which are washed, crushed, malaxated, and separated into oil, ...

Q: Mass transfer operations play a major role in many industries such as pharmaceutical industries, dye...

A: Unit operations:  unit operations are the operations which are used widely in chemical industries to...

Q: Calculate the heat loss per liner foot from 2-in nominal pipe (2.375-in outside diameter) covered wi...

A: Given information:   Outside diameter of the copper rod, do = 2.375 in. Thickness of the insulation,...

Q: O As a researcher in the field of heat transfer, how will you distinguish between radiation by black...

A: The difference between a black body and a real body is to be mentioned.

Q: According to nature of flow, convective heat transfer is classified into natural convection and forc...

A: Natural convection and forced convection are to be explained with the help of some examples.

Q: A reactive chemical disposed of by dilution in a river dissipates at a uniform rate of 0.15 mg/l per...

A: The distance downstream that the chemical residual persists is to be determined.

Q: What is the approximation of Fick’s equation (Hint: the first three terms)

A: The first law of Fick’s gives the relationship between the diffusive flux and the concentration grad...

Q: The nature of surfaces affects the absorption and the reflection of radiation. Assume that you are g...

A: Out of the 2 given pieces of wood, the one which absorbs more heat and the one which cools faster is...

Q: State three assumptions usually made in the application of the McCabe-Thiele method of analysis in d...

A: The three assumptions made during the McCabe-Thiele method of distillation are to be mentioned.  

Q: Twenty five liters of hydrogen is produced at a total pressure of 1 atm by the action of acid on met...

A: Initially there is no hydrogen and at the end 25 litres of hydrogen are produced. Therefore:

Q: Marshall and Hougen present experimental data for the through-circulation drying of 5/16-inch extrus...

A:

Q: What is meant by crystal habit?

A: The definition of the crystal habit is to be mentioned.

Q: Coconut milk was extracted from fresh coconut flesh. The rheological behavior of coconut milk contai...

A: 1. The given fluid is coconut milk which is a non-Newtonian fluid. It follows the power-law accordin...

Q: a)The McCabe thiele method of stage analysis is based on a certain principle.Name it and briefly exp...

A: The McCabe-Thiele method of stage analysis works on the principle of molar overflow (CMO). In the co...

Q: 3. For the reaction (or phase transition): C (graphite) ↔ C (diamond) The standard Gibbs free energy...

A:

Q: 2.413 g sample contains Na2CO3, NaHCO3 and inert material. This sample was solved in water and dilut...

A:

Q: THE PROBLEM It has been proposed that commercial manganese ferrite (MnFe2O4) production in Ghana is ...

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part ...

Q: ​A stream with a flow of 1.7 m3/s and BOD 3.4 mg/l is saturated with DO (9.27 mg/l at 20oC). It rece...

A: Let ‘S’ represent the stream, ‘E’ be the effluent, and ‘M’ be the mixed stream.   The flow rate of t...

Q: Point out and briefly explain the various factors affect the thermal conductivity of a material.

A: The factors which affects the thermal conductivity of a material are to be mentioned.

Q: 28.21 A1 × 10-2 m spherical pellet is sprayed with a very thin coat of paint. The paint contains a v...

A:

Q: A 50.0 -liter cylinder is evacuated and filled with 5.00 kg of a gas containing 10.0 mole% N2O and t...

A: Given:   The volume of the cylinder, V = 50 L Mass of the gas, m = 5 kg The mole percent of N2O is 1...

Q: Identify conditions listed in the following table for a 50-fold scaleup of batch crystallization of ...

A: Given conditions for the batch crystallization in laboratory and plant are given as:

Q: two plates which are aligned parallel above eachother.The top plate is moving horizontally with a co...

A: A Newtonian fluid is flowing between two parallel plates where top plate is moving with a constant v...

Q: While filling up your car with gasoline, you notice that it takes 2 minutes to dispense 15 gallons o...

A: Since the mass flow rate is given by  Mass flow rate = volumetric flow rate X density   

Q: What is the BET equation used for? Does it assume physical or chemical adsorption? Does it assume mo...

A: The use of the BET equation is to be mentioned along with the type of adsorption and the layer of ad...

Q: This system of pure water at 75°C is not at equilibrium. What happens for the system to reach equili...

A: A non-equilibrium system of 2 components of variable density.  

Q: Sketch the structures and discuss the reasons for the differences in the glass transition temperatur...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: 1

A: The auto-ignition temperature is given as:   Initial temperature and pressure of the air are:   Al...

Q: Reaction for the production of Acrylonitrile is presented below; 3 C3H6 + NH3 +502 → C3H3N + 3H20 Th...

A: (i)   The given reaction for the production of acrylonitrile is:   The basis of the calculation is ...

Q: Alcoholic beverages are solutions. Typically, a beer contains about 4.50% (v/v) of ethanol fermented...

A: Given information:   The percentage of ethanol in beer is 4.50% by volume. The percentage of ethanol...

Q: A copper ore containing 2 wt% CuO is to be leached with 0.5-M H2SO4. The reaction is attached. The l...

A:

Q: A liquid solution containing 49 moles of benzene and 21 moles of toluene is slowly heated to 363 K a...

A: A liquid solution is contained in a closed container and slowly heated to T = 363 K and P = 1.013 x ...

Q: Consider the interphase mass-transfer process for the chlorine dioxide, ClO2–air–water system. ClO2 ...

A: Given information:   Interface mass transfer for ClO2 – air-water system   ClO2 gas is species A whi...