Aurigene Pharmaceutical Services Chemical Process Engineer Interview Questions and Answers

To open a vacuum tray dryer, follow these steps carefully.

• Ensure the vacuum tray dryer is turned off and disconnected from power source.

• Release any pressure inside the dryer by slowly opening the vent valve.

• Unlock and open the door of the vacuum tray dryer.

• Carefully remove the trays one by one, starting from the top.

• Inspect the trays for any residue or product buildup and clean if necessary.

• Close the door securely afte...read more

The vacuum build in Hyderabad varies depending on the location and time of measurement.

• Vacuum levels in Hyderabad can range from 700 to 760 mmHg

• Factors such as altitude, weather conditions, and equipment used can affect vacuum levels

• For example, in a laboratory setting, a vacuum pump may be used to create a vacuum for experiments

A clean room is a controlled environment with low levels of pollutants such as dust, airborne microbes, aerosol particles, and chemical vapors.

• Clean rooms are typically used in industries such as pharmaceuticals, biotechnology, electronics, and aerospace.

• They are designed to maintain a specific level of cleanliness to ensure the quality of products being manufactured.

• Clean rooms have strict protocols for entry, includi...read more

Reactors are operated by following standard operating procedures, monitoring key parameters, adjusting conditions as needed, and ensuring safety protocols are followed.

• Follow standard operating procedures provided by the manufacturer or company

• Monitor key parameters such as temperature, pressure, flow rate, and pH regularly

• Adjust conditions as needed to maintain desired reaction conditions

• Ensure safety protocols are fo...read more

An exothermic reaction is a chemical reaction that releases energy in the form of heat.

• Exothermic reactions release heat to the surroundings

• They have a negative change in enthalpy (ΔH)

• Examples include combustion reactions, neutralization reactions, and some oxidation reactions

Organic chemistry is the study of carbon-based compounds. pH measures acidity or alkalinity. TLC is a technique for separating compounds.

• Organic chemistry focuses on the study of carbon-containing compounds.

• pH is a measure of the acidity or alkalinity of a solution.

• TLC (Thin Layer Chromatography) is a technique used to separate and analyze compounds in a mixture.

• Polar solvents dissolve polar compounds, while non-polar ...read more

AA is a common abbreviation for amino acids. They have a general structure of NH2-CHR-COOH and can undergo various named reactions like Grignard reaction.

• AA stands for amino acids which are the building blocks of proteins

• Their general structure is NH2-CHR-COOH where R can be any of the 20 different side chains

• Grignard reaction is a named reaction used to form carbon-carbon bonds and is commonly used in organic synthesi

Density of solvents is an important property for various chemical processes.

• Density is the mass per unit volume of a substance.

• Solvents with higher density can dissolve more solutes.

• Density can be affected by temperature and pressure.

• Examples of solvents with different densities include water (1 g/mL), ethanol (0.789 g/mL), and chloroform (1.48 g/mL).