IDA Foundation Executive Interview Questions and Answers

Water content mechanism can be found through various methods and is important for various reasons.

• Water content can be measured through techniques such as gravimetric analysis, Karl Fischer titration, and moisture analyzers.

• Water content is important in industries such as food, pharmaceuticals, and cosmetics to ensure product quality and stability.

• Water content is also important in environmental studies to understand t...read more

Developing HPLC methods involves selecting appropriate columns and optimizing parameters.

• Choose a suitable column based on the analyte's properties and the separation goal.

• Optimize parameters such as mobile phase composition, flow rate, and temperature.

• Validate the method by assessing its selectivity, sensitivity, accuracy, and precision.

• Common column types include C18, C8, and phenyl.

• Other factors to consider include ...read more

Carbon loading in column refers to the amount of carbon used in the stationary phase of a chromatography column. Endcapping is a process to block the remaining silanol groups on the surface of the stationary phase.

• Carbon loading is typically expressed as a percentage of the total weight of the stationary phase.

• Higher carbon loading can improve the selectivity and retention of certain analytes.

• Endcapping is important to...read more

Air conditioning works by removing heat and moisture from the air, and then circulating cool, dry air back into the room.

• Air is drawn into the unit through a filter

• The air is cooled by passing over evaporator coils filled with refrigerant

• The cooled air is then circulated back into the room through ducts or vents

• Moisture is removed from the air through condensation

• The warm, moist air is then expelled outside through a s

Vacuum pumps are used to create a vacuum by removing gas molecules from a sealed chamber or container.

• Vacuum pumps are used in various industries such as food packaging, semiconductor manufacturing, and medical research.

• The process involves creating a low-pressure environment by removing air or gas molecules from a sealed container.

• There are different types of vacuum pumps such as rotary vane pumps, diaphragm pumps, an...read more

We use a variety of sensors including temperature, pressure, humidity, and motion sensors.

• Temperature sensors are used to monitor the temperature of equipment and environments.

• Pressure sensors are used to measure pressure in systems such as pipelines and tanks.

• Humidity sensors are used to measure the amount of moisture in the air.

• Motion sensors are used to detect movement in areas where security is a concern.

• Other sens...read more

RTD stands for Resistance Temperature Detector.

• RTD is a type of temperature sensor that measures temperature by detecting changes in electrical resistance.

• It is commonly used in industrial and scientific applications where accuracy and stability are important.

• Platinum is a common material used in RTDs due to its high accuracy and stability.

• RTDs can be found in various forms such as wire-wound, thin-film, and coiled ele...read more