10+ Dream India Edu Management Solutions Interview Questions and Answers

Osmolarity is a measure of the concentration of solute particles in a solution.

• Osmolarity is measured in osmoles per liter (osmol/L).

• It represents the total number of solute particles in a solution.

• Normal osmolarity range for human blood is around 275-295 mOsmol/L.

• Osmolarity is important in determining fluid balance and cell function.

Zeta Sizer is a device used to measure the electrophoretic mobility of particles in a liquid medium.

• Basic principle involves measuring the velocity of particles in an electric field.

• Unit of measurement is usually in zeta potential (mV).

• Range of measurement typically varies depending on the specific model of the Zeta Sizer.

• Common uses include studying colloidal stability, particle size distribution, and surface charge of nanoparticles.

There are three stability conditions: asymptotic stability, bounded-input bounded-output stability, and Lyapunov stability.

• Asymptotic stability: System returns to a stable equilibrium point over time.

• Bounded-input bounded-output stability: System output remains bounded for bounded input signals.

• Lyapunov stability: System satisfies Lyapunov's direct method or Lyapunov's indirect method.

Solution Clarity Test is a test to determine the transparency of a solution.

• Solution Clarity Test is used to assess how clear or transparent a solution is.

• It is commonly performed in industries such as pharmaceuticals, food and beverage, and cosmetics.

• One common method to determine solution clarity is visual inspection against a light source.

• Another method is to use a spectrophotometer to measure the absorbance of light by the solution.

• The results of the test can help determi...read more

There are three types of stability zones: Zone I, Zone II, and Zone III. We are currently in Zone III.

• Zone I: Most stable, low risk of failure, typically used for long-term storage of products.

• Zone II: Intermediate stability, moderate risk of failure, used for products with moderate shelf life.

• Zone III: Least stable, high risk of failure, used for products with short shelf life or requiring special storage conditions.

Maintain differential pressure by adjusting airflow, sealing leaks, and monitoring equipment.

• Adjust airflow using dampers or variable frequency drives to balance pressure

• Seal leaks in ductwork or building envelope to prevent pressure loss

• Monitor equipment regularly to ensure proper functioning and make adjustments as needed

The Chromatography system can be qualified by performing various tests and checks.

• Perform system suitability tests to ensure the system is functioning properly

• Verify the accuracy and precision of the system using standard samples

• Check the resolution and selectivity of the system

• Validate the software used for data analysis

• Perform regular maintenance and calibration of the system

• Document all tests and results for future reference

Yes, we are facing an audit from the FDA next month.

• We have received a notice from the FDA regarding the audit.

• We are preparing all the necessary documents and records for the audit.

• We have conducted internal audits to ensure compliance with regulations.

• We are confident that we will pass the audit successfully.

Periodic qualification involves obtaining certifications and licenses to ensure competency and compliance with industry standards.

• HVAC engineers should regularly update their certifications and licenses to stay current with industry regulations.

• Continuing education courses can help HVAC engineers stay up-to-date on the latest technologies and best practices.

• Some examples of certifications for HVAC engineers include EPA 608 certification, NATE certification, and state-specific...read more

Cooling tower discharge pressure is the pressure at which water is discharged from the cooling tower.

• Cooling tower discharge pressure is typically measured in pounds per square inch (psi) or inches of water column (in. WC).

• The discharge pressure is influenced by factors such as the flow rate of water, the height of the cooling tower, and the design of the tower.

• Maintaining the correct discharge pressure is important for the efficient operation of the cooling tower and the ove...read more

HVAC system stands for Heating, Ventilation, and Air Conditioning system, which is used to control the temperature, humidity, and air quality in a building.

• HVAC systems regulate indoor air quality by providing ventilation, maintaining temperature, and controlling humidity levels.

• They consist of components such as furnaces, air conditioners, heat pumps, ductwork, thermostats, and air filters.

• Examples of HVAC systems include central heating and cooling systems, split systems, a...read more