Give a worksheet using the Preliminary Hazard Analysis (PHA) Technique for the water heating system given in the figure below.

Q: Sketch a graph of the cooling curve. The data points do not have to be in the exact positions…

A: Data of Time(sec) vs Temperature (0C) is given  Find the graph of the cooling curve and when it…

Q: Trisodium phosphate is to be recovered as Na3PO4·12H2O from a 35 weight percent  solution originally…

A: This question asks you to estimate the duty, cooling temperature, and product particle size…

Q: - Wet biomass with a moisture of 75 wt.% (as received basis) is dried through a roller press as…

A: Given:Initial moisture content in the biomass, Xinitial= 75 wt %Final moisture content in the…

Q: The heat exchanger is designed to provide the required amount of thermal energy needed for either…

A: A heat exchanger as the name suggest is used to transfer heat between two fluids at different…

Q: = A copper sheet (a = 116 mm²/s) of thickness 2L = 2 mm has an initial temperature of Ti = 118°C. It…

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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. When preparing a solution in a volumetric flask, the final solution should reach the white line…

A: In a laboratory, there is much glassware like Volumetric flask, conical flask, Burette, pipette,…

Q: Problem No 3: A material contains 75% water and 25% solid is fed to a granulator at a rate of 4000…

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Q: In the figure below there are two different drying kinetics curves, analyze them and answer: a)…

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Q: In two different container at 20.48 "C contain 1.241 M 250mt HCag) and 0.451 M 300 ml. BalOH)ag)…

A: Given, Volume of HCl, V1= 250 mL Molarity of HCl, M1= 1.241 M    Calculate the moles of HCl as…

Q: For each thermal event observed, give the onset temperature, the maximum temperature, and the…

A: The reaction which releases heat is called an exothermic reaction . The surrounding temperature…

Q: In the gas ionization chamber, the amount of electrical current depends on the absorbed dose in the…

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Q: As a product development specialist, you have decided that one way to separate your products wit…

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Q: Case Study As a collaborative team of chemical engineers, your task is to estimate the necessary…

A: Reaction,

Q: What is the purpose of a filter cartridge in a heating or cooling unit? to filter the air and…

A: Filter cartridges are used to filter down particles of size up to ten microns. This is a…

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…

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Q: A 1200 mole charge of 30 mole % naphthalene and 70 mole % dipropylene glycol it is separated in a…

A: Given, The moles of the feed to the vaporizer, F = 1200 mol The mole fraction of naphthalene in…

Q: A product to be dried in an industrial drier has a critical moisture content of 5.5 kg water/ kg dry…

A: Given data: Critical moisture content = 5.5 kg water/kg dry solid Equilibrium moisture content =…

Q: In absorption, the absorbent is stripped to an extent that depends on its K-value. In stripping, the…

A: The type of process which is taking place along with the reason in the given diagram is to be…

Q: Considering the very slow cooling (i.e. equilibriumcooling) of a 1.5 wt% C alloy; a) Draw schematic…

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Q: he art of being a good chemical engineer is being able to quickly understand relationships between…

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Q: .Carburization process is applied to the surface of a steel containing 0.3% carbon.Methane gas (CH4)…

A: Given data: Initial concentration of carbon = 0.3 % Final concentration of carbon = 1.2 % Amount of…

Q: Handwritten answer

A: To evaluate the flux of nitrogen through the foil, we use Fick's first law of diffusion:J=−DdxdC​…

Q: 1. Based on the following figure, answer the following questions : (a) How many actual trays are…

A: Mc-Cabe Thiele diagram of a mixture is given.

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

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Q: Steel surface can be hardened by carburization. Such process is done at 1000°C and the concentration…

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Q: A pressure cooker is an innovative design to aid the housewives for faster cooking. (a) Using an…

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Q: Multiple effect evaporator has capacity to process 4000 kg of solid caustic soda per day when it is…

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Q: To determine  the recovery (%) of methanol 2. To conduct the overall balance, component balance and…

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Q: Wet coal is dried in a continuous rotary dryer that operates at atmospheric pressure. The chips with…

A: Introduction  Dryer is used in the drying process to take the water out of a solution, suspension,…

Q: 6.3 A polymer sample is initially heated above its melting point, then rapidly quenched below its…

A: The amount of polymer sample placed into the pan The temperature ramp rate In the 2nd run, the…

Q: 2) Filtration involves the separation of solid particles from fluid through a filtering medium and…

A: Principles of filtration to be explained. Also an example with illustration to be given.

Q: A chemical engineer must calculate the maximum safe operating temperatures of a high-pressure gas…

A: Given:   Cylinder width (diameter)=48 cm=0.48 mRadius (r)= 0.482=0.24 mCylinder height (h)=58.6…

Q: Determine: (a) the composition of the first solid to form upon cooling, making sure to draw the…

A: The temperature at which the metal in molten alloy state transforms into liquidus state is called…

Q: In recovery a carboxylic acid from the fermentation broth, packed extraction tower has been used.…

A: To discuss the possible reasons and proposed solutions if the extraction process did not achieve the…

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

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Q: Estimate the convective heat-transfer coefficient for natural convection from a horizontal steam…

A: Given data: Outside temperature of pipe = 80 0C Surrounding temperature = 25 0C Outside diameter of…

Q: A spilled substance in the laboratory may be left unattended/ uncleaned even after a few days.

A: Question is to identify the correct statement.

Q: Calculate the percentage of effectiveness, hot water temperature, cold water temperature,…

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Q: A manufacturer advertises that a particular set of safety goggles has a optical density of at least…

A: Optical density is defined as degree to which refractive medium retards/reduces transmitted amount…

Q: b) Production of butanol requires high energy of hot and cold utilities in the production plant. The…

A: Given data: Ts1=400 °CTs2=100 °CTs2=200 °CTt2=100 °CTt3=290 °CTt4=360 °Cm.2=4.3 Kg/sm.3=5 Kg/sCp2=2…

Q: The downcomer is placed inside the tray tower is to provide O a. A passage for the liquid to flow…

A: Tray tower is the equipment that is used for the mass transfer operations like Distillation,…

Process Flow Diagram

A process flow diagram is a representation of various components, how they are arranged, and in what manner or sequence they work in correspondence to each other. It is a graphical way of representing a process.