Hetero EHS Officer Interview Questions and Answers

The old company had an ETP and MEE plant. Details and calculations are provided.

• The ETP (Effluent Treatment Plant) was designed to treat wastewater before it was discharged into the environment.

• The MEE (Multiple Effect Evaporator) plant was used to concentrate the wastewater and recover valuable resources.

• Calculations were performed to determine the efficiency of the ETP and MEE plant in treating and processing the was...read more

Data integrity is crucial for accurate decision-making and maintaining trust in the organization.

• Data integrity ensures that data is accurate, complete, and consistent.

• It is important to have proper data management policies and procedures in place.

• Regular data audits and checks should be conducted to ensure data integrity.

• Examples of data integrity violations include data entry errors, system glitches, and unauthorized...read more

I was a Senior Sales Associate responsible for managing a team of sales representatives and achieving sales targets.

• Managed a team of sales representatives

• Set and achieved sales targets

• Provided training and guidance to new team members

• Analyzed sales data and implemented strategies to improve performance

A PID temperature indicator controls temperature by adjusting heating/cooling based on feedback from sensors.

• PID stands for Proportional-Integral-Derivative, which are the three control modes used to adjust temperature.

• The indicator receives input from temperature sensors and compares it to the desired temperature setpoint.

• Based on the difference between the two, the PID controller adjusts the heating/cooling output to...read more

Utility distribution systems ensure efficient delivery of essential services like water, electricity, and gas to designated areas.

• Design involves assessing the demand for utilities in the block based on population and usage patterns.

• Incorporate sustainable practices, such as using renewable energy sources for electricity distribution.

• Example: For a residential block, design a grid layout for electricity that minimizes ...read more

MTSR, DSC, and TSC are metrics used in call centers to measure performance and efficiency.

• MTSR stands for Mean Time to Service Request and measures the average time it takes for a customer's service request to be resolved.

• DSC stands for Delayed Service Calls and measures the number of service calls that were not resolved within a certain timeframe.

• TSC stands for Total Service Calls and measures the total number of serv...read more

XRD is a technique used to determine the crystal structure of a material. Crystalline and amorphous materials show different patterns.

• XRD stands for X-ray diffraction

• Crystalline materials have a regular, repeating pattern of atoms while amorphous materials lack this pattern

• XRD patterns of crystalline materials show sharp peaks while amorphous materials show broad peaks

• XRD can be used to identify unknown crystalline mat...read more

The degree of freedom of water at triple point is 0.

• Triple point is the temperature and pressure at which solid, liquid, and gas phases of a substance coexist in thermodynamic equilibrium.

• At triple point, the degree of freedom of a substance is zero because all three phases coexist in equilibrium.

• Water has a triple point at 273.16 K (0.01 °C) and a pressure of 611.73 Pa.

• At triple point, water can exist as ice, liquid w...read more

Risk is the possibility of loss or harm occurring due to uncertain events or circumstances.

• Risk involves uncertainty and the potential for negative consequences.

• It can be managed through risk assessment, mitigation, and transfer.

• Examples of risks include financial risks, health risks, and environmental risks.

• Risk can also present opportunities for growth and innovation.

The power required for a pump can be calculated using the formula: Power = (Flow rate x Head) / Efficiency

• Calculate the flow rate of the pump

• Determine the head or pressure required

• Consider the efficiency of the pump

• Use the formula: Power = (Flow rate x Head) / Efficiency

• Example: If the flow rate is 1000 liters per minute, the head is 50 meters, and the efficiency is 80%, the power required would be (1000 x 50) / 0.8 = ...read more