20+ XS Infosol Interview Questions and Answers

The interviewee is asked about types of valves, ejectors, pumps, vacuum creation, and full forms of RTD and TI.

• Types of valves include gate, ball, butterfly, globe, needle, etc.

• Ejectors are of two types - steam ejectors and water ejectors.

• Pumps work by creating a pressure difference to move fluids.

• Vacuum is created by removing air molecules from a closed space.

• Steam lines use globe valves while ball valves are used in water lines.

• Gate valves are used in applications where a s...read more

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

• Distillation is used in industries such as petroleum refining, chemical manufacturing, and alcoholic beverage production.

• There are two main types of distillation: batch distillation and continuous distillation.

• Batch distillation involves heating a mixture in a still and collecting the condensed vapors as separate fractions.

• Continuous distillation involves continuousl...read more

The pressure of water in a fire hydrant water tank is typically around 7 kg.

• The pressure in a fire hydrant water tank is measured in kilograms per square centimeter (kg/cm^2)

• This pressure is necessary to ensure that water can be quickly and effectively sprayed onto a fire

• The pressure may vary depending on the specific location and regulations

Mechanical foam cylinders are commonly used in chemical fires for their ability to quickly suppress flames by forming a blanket of foam.

• Mechanical foam cylinders are effective in suppressing fires involving flammable liquids and chemicals.

• The foam generated by these cylinders helps to smother the fire by cutting off the oxygen supply.

• These cylinders are typically used in industrial settings where there is a higher risk of chemical fires.

• Examples of chemicals that may require ...read more

Safety precautions before entering the plant included wearing personal protective equipment (PPE) and undergoing safety training.

• Wearing appropriate PPE such as hard hats, safety glasses, gloves, and steel-toed boots

• Undergoing safety training on plant hazards, emergency procedures, and proper use of equipment

• Following specific entry procedures such as sign-in/sign-out protocols and safety checks

• Participating in safety meetings and drills to ensure preparedness for emergencies

The moving position of an acm mill is anti-clockwise.

• ACM mill rotates in an anti-clockwise direction to perform milling operations.

• The anti-clockwise rotation helps in achieving the desired milling results.

• It is important to ensure the correct direction of rotation for efficient milling process.

Different types of reactions include exothermic, endothermic, reversible, and irreversible. Cooling towers are used to remove heat from industrial processes.

• Exothermic reactions release heat and require cooling to prevent overheating.

• Endothermic reactions absorb heat and require heating to maintain the reaction.

• Reversible reactions can go in either direction depending on the conditions.

• Irreversible reactions only proceed in one direction and cannot be reversed.

• Cooling towers ...read more

Reactors, pumps, distillation, and drying are all essential components and processes in a plant setting.

• Reactors are vessels where chemical reactions take place, often under controlled conditions.

• Pumps are used to move fluids, such as liquids or gases, through a system.

• Distillation is a process that separates components of a mixture based on their different boiling points.

• Drying is the removal of moisture or other solvents from a substance, often using heat or air flow.

A confined space permit is a document that authorizes entry into a confined space and outlines safety requirements.

• Confined space permits are required for entry into spaces that are not designed for continuous occupancy, have limited entry and exit points, and may contain hazards such as poor ventilation or toxic substances.

• The permit typically includes information on the specific hazards present, required safety equipment, emergency procedures, and the duration of the permit...read more

Permits required in industries include environmental permits, building permits, and operational permits.

• Environmental permits are required to ensure compliance with regulations related to air quality, water pollution, waste management, etc.

• Building permits are necessary for construction or renovation of facilities to ensure compliance with safety and zoning regulations.

• Operational permits are needed for specific activities within the industry, such as handling hazardous mater...read more

I'm sorry, but I do not have access to your current CTC information.

• I am not authorized to access your personal financial information.

• Your CTC is confidential and should only be discussed with HR or management.

• I am here to discuss your qualifications and suitability for the position, not your current salary.

• We can discuss the salary range for this position and negotiate based on your experience and skills.

Heat transfer types include conduction, convection, and radiation.

• Conduction is the transfer of heat through direct contact between objects or substances.

• Convection is the transfer of heat through the movement of fluids or gases.

• Radiation is the transfer of heat through electromagnetic waves.

• Examples of conduction include touching a hot stove or holding a metal spoon in hot soup.

• Examples of convection include boiling water or using a fan to cool a room.

• Examples of radiation i...read more

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

• Distillation involves heating a liquid mixture to vaporize the more volatile components.

• The vapor is then cooled and condensed back into a liquid, resulting in the separation of the components.

• The component with the lower boiling point will vaporize first and be collected separately.

• Distillation is commonly used in industries such as oil refining, chemical production...read more

Normality, molarity, and molality are all concentration units used in chemistry.

• Normality is the number of equivalents of a substance in a liter of solution.

• Molarity is the number of moles of solute per liter of solution.

• Molality is the number of moles of solute per kilogram of solvent.

Yes, I have operated HPLC before in previous roles.

• Operated HPLC to analyze samples and generate data

• Performed routine maintenance and troubleshooting on HPLC equipment

• Interpreted chromatograms and reported results accurately

Shift incharge/supervisor oversees operations, manages staff, ensures productivity and quality.

• Responsible for managing and coordinating activities during their shift

• Supervises staff to ensure tasks are completed efficiently and accurately

• Addresses any issues or conflicts that arise during the shift

• Ensures compliance with company policies and procedures

• Reports to higher management on shift performance and any incidents

• Example: A shift supervisor at a manufacturing plant ensur...read more

The boiling point of solvents varies depending on the specific solvent, with some common examples having boiling points ranging from room temperature to over 200 degrees Celsius.

• Boiling point is the temperature at which a liquid turns into a gas.

• Different solvents have different boiling points due to their molecular structures.

• Common solvents like water have a boiling point of 100 degrees Celsius, while acetone has a boiling point of 56 degrees Celsius.

• Some solvents, like die...read more

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

• There are two main types of distillation: batch distillation and continuous distillation.

• Batch distillation involves separating a mixture into its components in a single batch, while continuous distillation involves separating a mixture into its components over a continuous process.

• Examples of distillation include the separation of alcohol from fermented liquids, the separation of cr...read more

Types of permits include building permits, parking permits, and work permits.

• Building permits are required for construction or renovation projects.

• Parking permits are issued for designated parking areas.

• Work permits are needed for certain types of employment, such as for minors.

• Other types of permits include liquor licenses, gun permits, and environmental permits.

LEL stands for Lower Explosive Limit, UEL stands for Upper Explosive Limit, LD50 is the lethal dose for 50% of the population, LC50 is the lethal concentration for 50% of the population.

• LEL is the lowest concentration of a gas or vapor in air that is capable of producing a flash of fire in presence of an ignition source.

• UEL is the highest concentration of a gas or vapor in air that will burn or explode if an ignition source is present.

• LD50 is the amount of a substance that, w...read more

Firewatch is responsible for monitoring and preventing fires in a specific area.

• Monitoring designated area for signs of fire

• Alerting authorities in case of fire

• Ensuring safety protocols are followed

• Using fire extinguishing equipment if necessary