10+ Durian Industries Interview Questions and Answers

pH difference between acidic and basic is the concentration of hydrogen ions in the solution.

• Acidic solutions have a pH less than 7, while basic solutions have a pH greater than 7.

• The pH scale ranges from 0 to 14, with 7 being neutral.

• Each unit on the pH scale represents a tenfold difference in the concentration of hydrogen ions.

• For example, a solution with a pH of 3 is ten times more acidic than a solution with a pH of 4.

• Similarly, a solution with a pH of 9 is ten times more...read more

Hydrogen peroxide is a chemical compound with the formula H2O2. It is a pale blue liquid that is used as a disinfectant and bleaching agent.

• Hydrogen peroxide is commonly used as a disinfectant for wounds and surfaces.

• It is also used as a bleaching agent for hair and teeth.

• Hydrogen peroxide can be used as a rocket propellant.

• It is also used in the production of various chemicals and materials.

• Hydrogen peroxide can be dangerous if not handled properly, as it can cause burns and...read more

Distillate is the purified liquid obtained through distillation, while residue is the remaining substance after distillation.

• Distillate is the product obtained by heating a liquid mixture and collecting the condensed vapor.

• It is the purified liquid that has a higher boiling point than the other components of the mixture.

• Residue is the substance left behind after the distillation process.

• It consists of the components that did not vaporize or condense during distillation.

• For ex...read more

A pump is a mechanical device used to move fluids from one place to another.

• Pumps can be classified into two types: positive displacement pumps and centrifugal pumps.

• Positive displacement pumps move fluid by trapping a fixed amount and forcing it into a discharge pipe.

• Centrifugal pumps use a rotating impeller to create a flow of fluid.

• Pumps are used in various industries such as water treatment, oil and gas, and chemical processing.

• Common types of pumps include diaphragm pump...read more

Hydrogenation reaction is a chemical reaction in which hydrogen is added to a molecule, typically an unsaturated organic compound.

• Hydrogenation is used in the food industry to convert liquid oils into solid fats.

• It is also used in the production of margarine and shortening.

• Hydrogenation can be catalyzed by metals such as nickel, palladium, or platinum.

• The reaction can be carried out under high pressure and high temperature.

• Hydrogenation can be partial or complete depending on...read more

My salary expectation is negotiable based on the job responsibilities and market standards.

• I am open to discussing salary based on the job requirements and industry standards.

• I have researched the average salary range for this position and am willing to consider offers within that range.

• I am looking for fair compensation that reflects my skills and experience.

• I am also interested in discussing benefits and opportunities for growth within the company.

Distillation is a process of separating components of a mixture based on their boiling points.

• It involves heating the mixture to vaporize the component with the lowest boiling point

• The vapor is then condensed and collected as a separate liquid

• This process can be used to purify liquids, separate different components of a mixture, and extract essential oils from plants

• Examples include the distillation of crude oil to produce gasoline and the distillation of alcohol to produce s...read more

Organic chemistry is the study of carbon-based compounds and their properties.

• Organic chemistry focuses on the structure, properties, and reactions of carbon-based compounds.

• It involves the study of hydrocarbons, alcohols, acids, esters, and many other types of compounds.

• Organic chemistry has many practical applications, including the development of new drugs, materials, and fuels.

• It also plays a crucial role in understanding biological processes and the chemistry of life.

• Exa...read more

Pump is used to move liquids while compressor is used to compress gases.

• Pump moves liquids while compressor compresses gases

• Pump has lower pressure while compressor has higher pressure

• Examples of pumps include water pumps, fuel pumps, and vacuum pumps while examples of compressors include air compressors and refrigeration compressors

Chemical engineering plays a crucial role in the chemical industry by designing processes, optimizing production, and ensuring safety and efficiency.

• Designing and optimizing chemical processes for production

• Developing new materials and products

• Ensuring safety and environmental compliance

• Improving efficiency and reducing costs

• Troubleshooting and problem-solving in production

• Collaborating with other engineers and scientists

Different markets require different approaches. I tailor my strategies based on market research and customer needs.

• Conduct thorough market research to understand customer needs and preferences

• Develop tailored marketing strategies for each market segment

• Adapt products and services to meet the unique needs of each market

• Build strong relationships with local partners and stakeholders

• Stay up-to-date on industry trends and changes in each market

ECGC stands for Export Credit Guarantee Corporation of India

• ECGC is a government-owned company that provides export credit insurance to Indian exporters

• It was established in 1957 and is headquartered in Mumbai

• ECGC offers various insurance products such as export credit insurance, export credit guarantee, and export finance

• It also provides guidance to exporters in managing their credit risks and helps them in expanding their business globally

I handle pricing by analyzing market trends, understanding customer needs, and balancing profitability.

• Conduct market research to determine pricing strategies

• Consider customer demand and willingness to pay

• Analyze costs and profit margins

• Adjust pricing as needed based on market changes

• Communicate pricing decisions clearly to stakeholders

Plant process refers to the series of steps and operations involved in the production or manufacturing of goods in a plant or factory.

• Plant process involves various stages such as raw material handling, chemical reactions, separation, purification, and packaging.

• For example, in a chemical plant, the process may include mixing different chemicals, heating, cooling, and distillation.

• In a power plant, the process may involve fuel combustion, steam generation, turbine operation, ...read more

Unit operation is a basic step in a chemical process that involves a physical change or chemical transformation.

• Unit operations are individual steps in a chemical process that involve physical changes or chemical transformations.

• They are used to separate, purify, mix, heat, cool, or react chemicals or materials.

• Examples include distillation, filtration, crystallization, evaporation, and reaction.

• Unit operations are essential in designing and optimizing chemical processes.

Vapour pressure is the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system.

• Vapour pressure increases with temperature.

• It is a measure of a substance's tendency to evaporate.

• Higher vapour pressure indicates a more volatile substance.

• Vapour pressure is important in processes like distillation and evaporation.

• Examples include water boiling at 100°C at standard atmospheric pressure.

To draw a PID list, you can use system commands or programming languages to list all running processes.

• Use system commands like 'ps' or 'top' in Unix-based systems to list all running processes

• In Windows, use 'tasklist' command to list processes

• In programming languages like Python, use 'psutil' library to get PID list

Ensuring the safety of the plant and solvent is crucial for the overall operation and well-being of the production process.

• Regular maintenance and inspections of the plant equipment to identify any potential safety hazards.

• Implementing proper safety protocols and procedures for handling solvents to prevent accidents.

• Providing training to employees on safe handling of solvents and emergency response procedures.

• Using appropriate personal protective equipment (PPE) when working ...read more