Chemical Engineering

Chemical Engineering

 Introduction to Chemical Engineering:

Chemical engineering is the branch of engineering that deals with chemical production and the manufacture of products through chemical processes. This includes designing equipment, systems and processes for refining raw materials and for mixing, compounding and processing chemicals to make valuable products. Chemical Engineering deals with the design and maintenance of chemical plants and the development of chemical processes for converting raw materials or chemicals into valuable forms. It combines knowledge of Chemistry and Engineering for the production of chemicals and related by-products. This branch of engineering is a varied field, covering areas from biotechnology and nanotechnology, mineral processing, pharmaceuticals, synthetic fibers, petroleum refining plants etc.

The role of a chemical engineer involves taking materials and designing processes to change certain properties to give them another purpose. A wide range of industries relies on chemical engineers to produce new materials so a role in the sector can lead to many different opportunities. Chemical Engineers have skills and knowledge in many fields including chemistry, biological sciences, physics and math’s. The role of the chemical engineer is common in a range of sectors which include oil and gas, energy, food and drink manufacture, toiletries, plastics, consumable goods and many more.

Chemical Engineers use science and mathematics to improve chemical processing methods and equipment. Successful candidates will be analytical, knowledgeable, and communicative. Avoid candidates who seem disorganized or lack interpersonal skills. Developments in chemical practices have led to more advanced fields like Nanotechnology, Bio-Engineering, Bio-Molecular Engineering, Material processing etc. It finds global application in everyday life. Modern innovations like human genome project, genetic engineering, and DNA sequencing has changed the face how chemical engineering was earlier perceived. Production using chemical engineering is right at the forefront of human development. In this multibillion-pound industry candidates will work in fast paced environments solving problems on a daily basis whether you are in a production environment or working behind the scenes in R & D.

Explain the responsibilities of Chemical Engineers?

Can you explain the flameless oxidizers?

Define which type of compounds are responsible for the foul smells from wastewater plants?

Can you define TLV (threshold limit value) and it explain?

What do you understand by Wet bulb Globe temperature?

What is the difference between fractionation and distillation?

What is oxidation and reduction reaction?

Explain the difference between CFM (cubic feet per minute) and SCFM (standard cubic feet per minute)?

What is the maximum recommended velocity for steam in a plant pipe network?

How can you keep our seawater used for heat rejection clean before entering our heat exchangers?

We have some pieces of metals that have been “powder coated”, how does that work?

What is the chemical composition of fat in human body?

Why graphite rod is used in nuclear reactor?

What is iron ore consists of?

Mention the difference between unit operation and unit process?

Can you explain a solvent?

Can you define Gibbs free energy?

Can you explain the characteristics that affect the flow of bulk solids and how?

What are some common causes of gas pipeline vibration 20 carbon steel line?

At what temperature does water have maximum density?

Define octane number?

What is the most common cause of solid size segregation in bulk solid systems?

List the advantages and disadvantages of a PFR?

What industry require filtered compressed air?

What are some common problems associated with dense phase pneumatic conveying?

What are some common problems associated with Dilute Phase Pneumatic Conveying?

What is the most common carrier gas used in Pneumatic Conveying?

Can you define the third law of thermodynamics?

We have some pieces of metals that have been powder coated, how does that work?

How can you keep our seawater used for heat rejection clean before entering our heat exchangers?

What are some common problems associated with dense phase pneumatic conveying?

Can you define critical radius of insulation?

Define saltation velocity and How is it used in designing pneumatic conveying systems?

Can you define pneumatic conveying?

Explain the working of a spray condenser?

Are there any general rules for flushing slurry lines?

Can you explain barometric condenser?

Can you explain condensate lift?

Explain the definition of “good” cooling tower water?

What are some guidelines for designing for liquid and gas velocities in process plant piping?

How instrument air is continually supplied in process plant?

What is titration?

Explain the term Aliquot and Diluent?

What is the angle of repose and what are its applications in the chemical industry?

What factors should be compared when evaluating cooling tower bids?

Explain why graphite rod is used in nuclear reactor?

What is dextro-rotatory and levo-rotatory?

How liquid nitrogen is saved in tanks?

Can you explain TLV (threshold limit value)?

Why the hot liquid in heat exchanger, reactor jacket should flow from bottom to top?

Why steam enters top side of jacket in reactor?

What is the difference between vapor and gas?

Can you explain Biot Number?

How should you extract hydrogen from water?

How does paint dry?

What is an isochoric process?

What is a CSTR and what are its basic assumptions?

Explain the functioning of three-way catalytic converter?

What is angle of repose importance in the chemical industry?

Can you explain just in time?

Can you define surfactant?

Can you explain flow control?

What is the best way to handle bend or turns in slurry piping systems?

What is an effective means of removing silicon from aluminum?

Who built the first production scale PLA (polylactic acid) facility?

Can you define PCBs?

Can you explain an additive?

How does a tank-blanketing valve operate?

How plate heat exchangers used in an ammonia refrigeration system?

What type of heat exchangers are most commonly used for a large-scale plant-cooling loop using seawater as the utility?

How can you estimate a gas flow based on two pressure measurements?

What types of valves are recommended for slurry services?

What are the advantages and disadvantages of using gear pumps?

How can viscosity affect the design of a mixer?

How do you design a vapor-liquid separator or a flash drum?

What is quicklime and what are its uses?

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