Sarvotham Care EHS Officer Interview Questions and Answers

Line clearance is necessary to prevent cross-contamination and ensure product quality by verifying that the production area is clean and ready for the next batch.

• Prevents cross-contamination between different products or batches

• Verifies that the production area is clean and free of any residues

• Ensures that equipment is properly sanitized before starting a new batch

• Confirms that all materials and components are in the c

Stability studies are conducted to evaluate the shelf life and storage conditions of a product.

• Stability studies help determine how long a product can be stored without significant changes in quality or efficacy.

• They are important for establishing expiration dates and storage instructions.

• Factors such as temperature, humidity, light exposure, and packaging materials are considered in stability studies.

• Results of stabil...read more

Validation is the process of ensuring that a product or system meets the requirements and specifications set for it.

• Validation confirms that the product meets the customer's needs and expectations

• It involves testing the product under real-world conditions

• Validation is often done at the end of the development process to ensure the product is ready for release

The formula of benzene is C6H6.

• Benzene consists of a ring of six carbon atoms, each bonded to one hydrogen atom.

• The molecular formula for benzene is C6H6.

• The structural formula of benzene is represented as a hexagon with alternating double bonds.

Toluene can be prepared by the catalytic reforming of petroleum naphtha.

• Toluene is commonly produced by the catalytic reforming of petroleum naphtha.

• The process involves heating the naphtha to high temperatures in the presence of a catalyst.

• The resulting mixture is then distilled to separate out the toluene.

• Another method involves the methylation of benzene using methanol in the presence of a catalyst.

The formula of benzene is C6H6.

• The molecular formula of benzene is C6H6.

• It consists of a ring of six carbon atoms, each bonded to one hydrogen atom.

• The structure of benzene is often represented as a hexagon with a circle inside to show delocalized electrons.

• Benzene is a common organic compound used in various industries.

Benzoic acid can be prepared by oxidizing toluene or benzyl alcohol.

• Prepare a mixture of toluene or benzyl alcohol with potassium permanganate or chromic acid.

• Heat the mixture under reflux to facilitate oxidation.

• After completion of the reaction, cool the mixture and extract the benzoic acid using a suitable solvent.

• Purify the extracted benzoic acid through recrystallization.

• Alternatively, benzoic acid can also be prep...read more

Star delta starter is a method used to reduce the starting current of induction motors.

• Star delta starter is used for starting induction motors in applications where the starting current needs to be limited.

• In star connection, the motor windings are connected in a star configuration during starting to reduce the voltage across each winding.

• After a certain time, the windings are switched to a delta configuration to run ...read more

Motor current formulas can be found using basic electrical principles and motor specifications.

• Use Ohm's Law (I = V / R) to calculate current based on voltage and resistance.

• For AC motors, use the formula I = P / (sqrt(3) * V * cos(theta)), where P is power, V is voltage, and theta is the power factor angle.

• Refer to motor datasheets for specific current ratings and calculations.

• Consider factors like efficiency, power f...read more

Protection in a transformer involves measures to prevent damage from overcurrent, overvoltage, and overheating.

• Use fuses or circuit breakers to protect against overcurrent

• Install surge arresters to protect against overvoltage

• Use temperature sensors and cooling systems to prevent overheating

• Implement differential protection to detect internal faults

• Regular maintenance and testing to ensure proper functioning

Faults in a transformer can include short circuits, open circuits, overheating, and insulation breakdown.

• Short circuits can occur due to insulation failure or winding damage.

• Open circuits can result from broken connections or faulty windings.

• Overheating may be caused by overloading or poor cooling.

• Insulation breakdown can lead to arcing and short circuits.