What is the PVD technique for improving the surface hardness of metals and other engineering materials and how is it used ?to modify surface specifications

Q: 1. Explain the function of a cooling tower and its important in the process industries. 2. Explain…

A: Answer;1) A cooling tower is designed to cast off warmth from a constructing or facility through…

Q: Regarding amorphous plastics, explain why they tend to have higher tensile strength when deformed…

A: Amorphous plastics have no specific order and pattern in their molecular structure. Thus, the…

Q: Briefly differentiate between total efficiency and grade efficiency for a  gas–particle separation…

A: To Briefly differentiate between total efficiency and grade efficiency for a  gas–particle…

Q: Identify five factors that determine the optimum flow of scrubbing liquid in an absorption column.

A: Absorption is one of the mass-transfer operations involving gas-liquid flows like distillation,…

Q: (1) Explain the following terms: i) Slack and Raw wax

A: Slack Wax: It is yellow to dark in color. It is also known as crude paraffin wax. It is separated…

Q: Discuss the following:1. The similarities and dissimilarities between wet scrubbing process and gas…

A: Wet gas scrubbers are devices that are used to remove a variety of pollutants from exhaust gas from…

Q: 3 Briefly describe the drilling problems related to drilling fluid rheological property.

A: In fluid mechanics, rheology is the type of study of the flow of matter, matter could be in the form…

Q: What are the three major components of the process design of a packed tower?

A: Packed towers are long vertical columns filled with large quantities of tower packings and tower…

Q: Describe the effect bend testing have on the mechanical properties of silicon nitride.

A: Effect of bend testing on the mechanical properties of silicon nitride is to be explained.

Q: Use equations and words to describe how stirring a solution will affect the mass-transport limited…

A: The current that flows through a solution at any time is a direct measure of the rate of the…

Q: A process flow diagram of an anode fuel cell.

A: The process of creating a process flow diagram (PFD) for an anode fuel cell entails putting the…

Q: If the temperature profile in a rectangular slag is represented by: T(x,y,z)=x2-2y2+z²-xy+2yz…

A: The points where spacial derivatives wrt to time are 0 will be where Temperature won't change. We…

Q: Describe the Impressed Current System of Cathodic protection

A: Metals are always subjected to corrosion damage. corrosion occurs when most or all the atoms on the…

Q: Make a comparison between thermoplastics and thermosetting polymers(a) on the basis of mechanical…

A: A resin that is solid at room temperature but becomes plastic and soft upon heating is a…

Q: Explain the concept of heat transfer and how it applies to chemical engineering processes.

A: The transport of thermal energy from one area to another is known as heat transfer. Since heat must…

Q: Mention some key considerations during installation of a cyclone seperator?

A: Cyclonic separation is a means of separating different liquid phases, or, separating particles from…

Q: crystallization mechanism,

A: Crystallization is a process in which mass transfer of solute takes place from the liquid solution…

Q: Why do some evaporators operate under vacuum? How is the vacuum produced?

A: The reason for operation of some evaporators under vacuum is to be mentioned along with the method…

Q: Illustrate and discuss the process flow for the manufacture of porcelain

A: Solution-Step:  (a) Component needed(i) Feldspars K2O.Al2O3.6SiO2 & Na2O.Al2O3.6SiO2(ii) Quartz…

Q: Explain why: a) A metallic couple with an unfavourable area ratio (small anode/large cathode)…

A: The given subparts need to be explained.

Q: What do you mean by Thermal Barrier Coatings ? Compare the physical and chemical vapor deposition…

A: Thermal barrier coatings (TBCs) qualify the engines to function at higher temperatures without…

Q: Describe five main parameters that govern the performance of the polymer production process. Provide…

A: Polymer manufacture is a complex process governed by numerous aspects that affect the final…

Q: In the plate and frame filter press, by plotting the filtrate volume as a function of time per…

A:

Q: Explain the advantages of coating process thermal spray coating   a lot of information Do not…

A: Advantages of Thermal Spray Coating 1. Wide range of coating materials  There is a huge range of…

Q: 4. What are advantages and disa vantages of SMAW. 5. Name some other types of arc welding.

A: Introduction SMAW stands for Shielded Metal Arc Welding, and also goes by the common name of stick…

Q: A particular machining operation involves intermittent cutting which will place the inserts under…

A: To choose the options which shows the most suitable grade of plain carbide for the given application

Q: What is the thermal Diffusivity. Write down the factors effecting it.

A: Thermal Diffusivity Thermal Diffusivity is defined as the ratio of heat conducted to heat stored.…

Q: Create a problem set of 5 problems about material balance. ( Show your solution in each problem)

A: 5 Problems about material balance

Q: Explain the role of the back surface field in solar cells and how to form a BSF layer in silicon…

A: To 1. explain the role of back surface field (BSF) layer in solar cells 2.  how to form a BSF layer…

Q: Compare the three main types of scrubbers (spray, cyclonic, and venturi) based on their typical…

A: In this question a comparative study of the three main types of scrubbers ( spray,cyclonic and…

Q: Is the heat treatment process (annealing, normalizing and hardening) an effect of changing the…

A: Yes,  heat treatment process (annealing, normalising and hardening) effects in changing the…

Q: O a. Agitated batch O b. Krystal cooling O c. Screening O d. Oslo evaporative

A: Here, it is a solid fluid chemical engineering question.

Q: Define the Exergy Destruction During Heat Conduction.

A: The destruction of the exergy in the process of heat conduction is to be determined.

Q: How to manufacture ball bearing and what manufacturing processes are involved in manufacturing of…

A: A bearing machine element that enables rotational or linear movement, and reduces friction between…

Q: How will you deposit corrosion resistant copper on the surface of base metal,without using any…

A: Corrosion is a process of decomposition of the metal ions by oxidation and reduction of metal in…

Q: What is the difference between suspension leaching and percolation leaching? For what conditions is…

A: Suspension leaching is also known as agitated leaching. The method is used for the ores that does…

Q: Define glass transition temperature in polymeric materials and name two parameters ineach case that…

A: The glass transition temperature, often denoted by Tg, is a critical physical property of polymeric…

Q: explain what a)anode protection and b) cathode protection are and give examples of using this two…

A:

Q: Although designs are different, operating principle behind gas cyclone separators is the same.…

A: In a cyclone separator, centrifugal force is used to separate the solids from fluids. The separation…