EXTROVIS Interview Questions and Answers

Q1. What is HVAC system
Ans. 
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 inc...read more
Answered by AI
Add your answer
Q2. Detail of periodic qualification
Ans. 
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...read more
Answered by AI
Add your answer
Q3. Working process of chiller
Ans. 
Chiller is a device that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.
• Chiller absorbs heat from a process water stream and transfers it to a refrigerant.

• The refrigerant then carries the heat to the condenser where it is released.

• The chilled water is circulated through the building to cool the air or equipment.

• Chillers can be air-cooled, water-cooled, or evaporatively cooled.

• Commo...read more
Answered by AI
Add your answer
Q4. How to maintain differential pressure of area
Ans. 
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
Answered by AI
Add your answer
Q5. Cooling tower discharge pressure
Ans. 
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 fo...read more
Answered by AI
Add your answer

Q1. What's your aspirations?
Add your answer
Q2. How you are managing team?
Add your answer
Q3. What challenges faced as a leader?
Add your answer
Q4. How you perform Audits?
Ans. 
I perform audits by conducting thorough reviews of processes, documentation, and compliance standards.
• Reviewing documentation to ensure accuracy and compliance

• Interviewing staff members to gather information and insights

• Analyzing data and identifying areas for improvement

• Creating detailed audit reports with findings and recommendations
Answered by AI
Add your answer
Q5. Structure of ISO clause for Audit
Ans. 
ISO clause for Audit structure includes scope, normative references, terms and definitions, context of the organization, leadership, planning, support, operation, performance evaluation, and improvement.
• Scope: Defines the boundaries of the audit

• Normative references: Lists relevant standards and guidelines

• Terms and definitions: Clarifies key terminology

• Context of the organization: Considers internal and external factors

• ...read more
Answered by AI
Add your answer
Q6. About the QMS structure
Add your answer

Q1. What did you studied in MSc ?
Add your answer
Q2. Did you have any experience?
Add your answer
Q3. Any idea about spectroscopy?
Ans. 
Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
• Spectroscopy involves analyzing the absorption, emission, or scattering of light by a sample.

• Different types of spectroscopy include UV-Vis, IR, NMR, and mass spectrometry.

• It is commonly used in chemistry to identify compounds and study molecular structures.

• Spectroscopy can also be used in quality control to ensure the purity of p
Answered by AI
Add your answer
Q4. Do you have any experience in chromatography?
Ans. 
Yes, I have experience in chromatography including HPLC, GC, and TLC techniques.
• Experience in operating HPLC, GC, and TLC instruments

• Knowledge of different chromatography techniques and principles

• Ability to analyze and interpret chromatography data

• Experience in troubleshooting chromatography issues

• Familiarity with chromatography software for data analysis
Answered by AI
Add your answer
Q5. Are you did any project? Then explain about that
Add your answer
Q6. Lastly Asked to introduce yourself
Add your answer

Maths and general logic questions.

Q1. Asked regarding the Client service experience.
Add your answer
Q2. Windows and other technical questions.
Add your answer

Q1. An offer letter was provided.
Add your answer
Q2. The documents list was provided to submit to the company.
Add your answer

Q1. Basic about ph and chromatography
Add your answer
Q2. Type of titration techniques and methods example
Ans. 
Titration techniques include acid-base, redox, complexometric, and precipitation methods.
• Acid-base titration involves the neutralization of an acid with a base or vice versa.

• Redox titration involves a redox reaction between the analyte and titrant.

• Complexometric titration involves the formation of a complex between the analyte and titrant.

• Precipitation titration involves the formation of a precipitate between the analy...read more
Answered by AI
Add your answer
Q3. About MSc practicals
Add your answer
Q4. About syllabus and university
Add your answer
Q5. About company and sector
Add your answer

Q1. About Business Analyst knowledge and process
Add your answer

General Aptitude test in science and technology

Q1. About your self?
Add your answer
Q2. About you skill and the shifts
Add your answer

Q1. What is the material required for Making solutions
Add your answer