20+ APMC Rahata Interview Questions and Answers

Reactor pressure or synthesis pressure can be controlled by adjusting cooling or heating, or by releasing excess pressure.

• Adjust cooling or heating to maintain pressure

• Release excess pressure through safety valves

• Monitor pressure regularly to prevent overpressure

• Use pressure relief devices such as rupture discs or pressure relief valves

We receive raw materials from various suppliers and sell our products through our website and retail stores.

• Raw materials are sourced from trusted suppliers based on quality and cost-effectiveness.

• We maintain a good relationship with our suppliers to ensure timely delivery and availability of materials.

• Our products are sold through our website and retail stores located in major cities.

• We also have tie-ups with online marketplaces to reach a wider audience.

• Sales data is regula...read more

Hydrogen is consumed in the reaction with chlorine gas to form hydrogen chloride.

• Hydrogen is removed from aluminium chloride by reacting it with chlorine gas.

• The reaction produces hydrogen chloride gas.

• Hydrogen chloride gas is a byproduct of the manufacturing process.

• Hydrogen chloride gas can be used in the production of PVC.

• The reaction is exothermic and releases heat.

Process safety in our organization involves identifying, evaluating, and controlling potential hazards to prevent accidents.

• We have a comprehensive hazard identification and risk assessment process

• We regularly conduct safety audits and inspections

• We provide training to employees on safe work practices

• We have emergency response plans in place

• Examples of process safety hazards include chemical spills, fires, and explosions

HCl is used in our organization for various purposes including laboratory testing, cleaning, and pH adjustment.

• HCl is commonly used in laboratory testing to analyze and identify different substances.

• It is used for cleaning and removing mineral deposits from equipment and surfaces.

• HCl is also used for pH adjustment in various processes and reactions.

• In some cases, it is used as a reagent in chemical reactions to facilitate specific transformations.

• For example, HCl can be used ...read more

Dry bulb temperature is the temperature of the air measured by a thermometer.

• It is the most commonly used temperature measurement in HVAC systems.

• It is also known as air temperature.

• It does not take into account the moisture content of the air.

• It is measured using a thermometer placed in a shaded area.

• It is used to calculate the relative humidity of the air.

We use two types of steam in our organization: saturated and superheated steam.

• Saturated steam is commonly used for heating and sterilization processes.

• Superheated steam is used for power generation and industrial processes.

• The type of steam used depends on the specific application and equipment being used.

• For example, in a steam turbine, superheated steam is used to generate electricity.

• In a sterilization process, saturated steam is used to kill bacteria and other microorgan...read more

My favorite subject in my education time was Mathematics.

• I enjoyed solving complex mathematical problems.

• I found joy in discovering patterns and relationships in numbers.

• I appreciated the logical and analytical thinking required in mathematics.

• Mathematics helped me develop problem-solving skills that are valuable in engineering.

• I excelled in mathematics and consistently achieved high grades in the subject.

Birla produces a wide range of products including cement, chemicals, textiles, and more.

• Cement

• Chemicals

• Textiles

• Pulp and paper

• Metals

• Fertilizers

• Insulators

• Financial services

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, separating it from the less volatile components.

• The separated components can have different boiling points, allowing for purification or concentration of specific substances.

• Examples of distillation include the production ...read more

Safety types refer to different categories or aspects of safety measures in engineering.

• Physical safety: Ensuring protection from physical hazards like falls, electrical shocks, or accidents.

• Chemical safety: Preventing exposure to hazardous chemicals or substances.

• Fire safety: Implementing measures to prevent and control fires.

• Environmental safety: Addressing concerns related to pollution, waste management, and sustainability.

• Personal protective equipment (PPE): Providing app...read more

Our company produces a range of chemical products for various industries.

• We produce acids, bases, and salts for use in manufacturing processes.

• Our products undergo various reactions such as neutralization, precipitation, and oxidation-reduction.

• For example, our hydrochloric acid (HCl) reacts with sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O). The balanced equation is: HCl + NaOH → NaCl + H2O

• Another example is the reaction between iron (Fe) and oxygen ...read more

Interlocking systems are safety mechanisms that prevent two or more things from happening at the same time.

• Interlocking systems are commonly used in railways to prevent two trains from entering the same track at the same time.

• In manufacturing plants, interlocking systems are used to prevent machines from operating if safety guards are not in place.

• Interlocking systems can also be used in elevators to prevent the doors from opening if the elevator is not on the same floor.

• Thes...read more

Aluminium chloride is made by reacting aluminium with chlorine gas.

• Aluminium is first heated to a high temperature to remove any oxide layer.

• Chlorine gas is then passed over the heated aluminium.

• The reaction produces aluminium chloride as a white powder.

• The equation for the reaction is: 2Al + 3Cl2 -> 2AlCl3

• Aluminium chloride is commonly used as a catalyst in organic chemistry reactions.

I follow safety precautions by wearing appropriate personal protective equipment, following proper procedures, and being aware of my surroundings.

• Always wear the necessary personal protective equipment (PPE) such as helmets, gloves, and safety goggles.

• Follow all safety procedures and protocols provided by the company or organization.

• Be aware of your surroundings and potential hazards to prevent accidents.

• Regularly inspect and maintain equipment to ensure safe operation.

• Partic...read more

Wet bulb temperature is the lowest temperature that can be achieved through evaporative cooling of a wet surface.

• It is measured using a thermometer with a wet wick around the bulb.

• It is used to determine relative humidity and dew point.

• It is an important parameter in HVAC systems and weather forecasting.

• Example: If the dry bulb temperature is 30°C and the wet bulb temperature is 25°C, the relative humidity is approximately 50%.

A 2-4 pass heat exchanger design involves multiple passes of fluid flow to increase heat transfer efficiency.

• Determine the heat transfer rate required and the fluids involved

• Select appropriate materials for the heat exchanger

• Determine the number of passes required based on the heat transfer coefficient and pressure drop

• Design the heat exchanger with appropriate dimensions and flow paths

• Consider factors such as fouling, corrosion, and maintenance

• Examples of 2-4 pass heat excha...read more

Humidity is the amount of water vapor present in the air.

• Humidity can be measured using a hygrometer.

• High humidity can make the air feel heavy and uncomfortable.

• Low humidity can cause dry skin and respiratory problems.

• Humidity affects the rate of evaporation and can impact weather patterns.

• Relative humidity is the ratio of the amount of water vapor in the air to the maximum amount the air can hold at a given temperature.

Anhydrous refers to a substance that does not contain water molecules.

• Anhydrous substances are often used in industrial processes where water can interfere with the reaction or product.

• Examples of anhydrous substances include anhydrous ammonia, anhydrous ethanol, and anhydrous magnesium sulfate.

• Anhydrous can also refer to a state where all water has been removed, such as anhydrous conditions in a laboratory experiment.

• Anhydrous can be dangerous to handle as they can be highly...read more

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 production of gasoline from crude oil and the purification of alcohol for consumption.

• D...read more

Chlorination is the process of adding chlorine to water to kill bacteria and other harmful microorganisms.

• Chlorination is commonly used in water treatment plants to ensure safe drinking water.

• Chlorine gas or sodium hypochlorite can be used for chlorination.

• The amount of chlorine added to water is measured in parts per million (ppm).

• Chlorination can also be used to disinfect swimming pools and other recreational water sources.

• Over-chlorination can lead to the formation of harm...read more