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The chemical formula of toluene is C7H8.
Chemical formula: C7H8
Toluene is a common solvent used in various industries
It is also known as methylbenzene
There are various types of heat exchangers including shell and tube, plate, and finned tube. They are used in industries like chemical, petrochemical, and HVAC.
Shell and tube heat exchangers are commonly used in industries like chemical and petrochemical for high-pressure applications.
Plate heat exchangers are compact and efficient, often used in HVAC systems and food processing.
Finned tube heat exchangers are used in ...
Distillation is a process used to separate components of a liquid mixture based on differences in boiling points in a distillation column.
Distillation is a separation process where a liquid mixture is heated to create vapor and then cooled to condense the vapor back into liquid form.
The components of the mixture have different boiling points, allowing them to be separated based on their vapor pressures.
The distillation...
Haber process is a method used to produce ammonia through the reaction of nitrogen and hydrogen in the presence of an iron catalyst.
The reaction equation is N2 + 3H2 -> 2NH3
The process is carried out at high pressure (200 atm) and high temperature (450°C)
Iron catalyst is used to speed up the reaction
Ammonia is formed as a product
Chemical formula of acidic acid is CH3COOH and alcohol is C2H5OH.
Acidic acid chemical formula: CH3COOH
Alcohol chemical formula: C2H5OH
Centrifugal pump and gate valve are commonly used in chemical engineering.
Centrifugal pump is commonly used for transferring liquids in chemical processes
Gate valve is often used to control the flow of fluids in pipelines
Other types of pumps include diaphragm pump, gear pump, and reciprocating pump
Other types of valves include ball valve, globe valve, and butterfly valve
Mass transfer is the movement of substances from one place to another, while diffusion is the movement of molecules from an area of high concentration to an area of low concentration.
Mass transfer involves the movement of substances such as molecules, ions, or atoms from one location to another.
Diffusion is a type of mass transfer where molecules move from an area of high concentration to an area of low concentration.
D...
Q conversion and rate change mathematically question
Change 3 meter into feet. And cm into feet and inches
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posted on 19 Mar 2025
I appeared for an interview in Sep 2024, where I was asked the following questions.
DCS (Distributed Control System) manages complex processes through decentralized control and monitoring.
DCS consists of multiple controllers distributed throughout the system, allowing for localized control.
It enhances reliability by reducing the risk of a single point of failure.
DCS systems often include a Human-Machine Interface (HMI) for operators to monitor and control processes.
Example: In a chemical plant, DCS ca...
posted on 28 Jul 2023
I applied via Campus Placement
posted on 20 Sep 2022
I applied via Walk-in and was interviewed in Aug 2022. There were 3 interview rounds.
Seeking new challenges and growth opportunities.
Looking for a more challenging role
Seeking career growth and advancement
Want to broaden my skillset and learn new technologies
Current company lacks opportunities for professional development
Desire to work in a different industry or sector
I am switching from the pharmaceutical industry to the chemical industry to broaden my knowledge and skills in different sectors.
To gain a broader understanding of different chemical processes and applications
To explore new opportunities and challenges in the chemical industry
To expand my skill set and learn new techniques in chemical engineering
To contribute my pharmaceutical experience and knowledge to the chemical i...
posted on 17 Dec 2024
Introduction & Personal questions
posted on 28 Mar 2024
I applied via Walk-in and was interviewed before Mar 2023. There were 2 interview rounds.
Stainless steel pipelines are commonly used for transporting hazardous chemicals due to their corrosion resistance and durability.
Stainless steel pipelines are preferred for their resistance to corrosion from hazardous chemicals.
PVC pipelines are not suitable for hazardous chemicals as they can degrade and leak.
Carbon steel pipelines can be used for some hazardous chemicals, but may require additional coatings or linin...
To calculate the steam of a boiler, you need to know the boiler's efficiency, steam flow rate, and specific enthalpy of steam.
Calculate the energy input by multiplying the mass flow rate of steam by the specific enthalpy of steam.
Determine the energy output by dividing the energy input by the boiler's efficiency.
The steam flow rate can be measured using a flow meter, and the specific enthalpy of steam can be obtained f...
The module of a coal fired hot air generator typically includes a combustion chamber, heat exchanger, fan, and exhaust system.
Combustion chamber where coal is burned to produce heat
Heat exchanger to transfer heat from combustion gases to the air
Fan to circulate the heated air
Exhaust system to remove combustion byproducts
I applied via Recruitment Consulltant and was interviewed before Aug 2021. There was 1 interview round.
Turbine operation activities involve monitoring and controlling the performance of turbines in power plants.
Monitoring turbine speed, temperature, and pressure
Adjusting turbine controls to maintain optimal performance
Performing routine maintenance and inspections
Troubleshooting and repairing turbine malfunctions
Collaborating with other engineers and technicians to ensure safe and efficient operation
A power plant is a facility that generates electricity by converting various forms of energy into electrical energy.
Power plants can use various sources of energy such as coal, natural gas, nuclear, hydro, wind, and solar.
The energy is converted into electrical energy through various processes such as combustion, steam turbines, and generators.
Power plants are typically divided into two categories: base load plants and...
posted on 15 Apr 2023
I applied via Job Portal and was interviewed before Apr 2022. There were 2 interview rounds.
I have extensive experience in handling various machines and equipment.
I have worked with CNC machines, lathes, milling machines, and other industrial equipment.
I am familiar with safety protocols and procedures for handling heavy machinery.
I have experience in troubleshooting and repairing machines when necessary.
I have trained new employees on how to operate and maintain machines.
I have worked with a variety of mater...
posted on 5 Oct 2024
I am setting in office for aptitude test
I am a dedicated Mechanical Engineer with a strong background in designing and implementing mechanical systems.
Graduated with a degree in Mechanical Engineering from XYZ University
Proficient in CAD software such as SolidWorks and AutoCAD
Experienced in conducting stress analysis and simulations for mechanical components
Worked on projects involving HVAC systems design and optimization
My goal is to continuously improve my technical skills, contribute to innovative projects, and eventually become a lead engineer in the field.
Continuously improve technical skills through ongoing education and training
Contribute to innovative projects by proposing and implementing new ideas
Work towards becoming a lead engineer by taking on more responsibilities and leadership roles
based on 1 interview experience
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