10+ Interview Questions and Answers

HVAC stands for Heating, Ventilation, and Air Conditioning. It includes equipment like furnaces, air conditioners, and ventilation systems.

• HVAC stands for Heating, Ventilation, and Air Conditioning

• Types of equipment in HVAC include furnaces, air conditioners, heat pumps, ventilation systems, and ductwork

• HVAC systems are used to control temperature, humidity, and air quality in buildings

• Regular maintenance of HVAC equipment is important to ensure efficient operation

Enzymes are biological catalysts that speed up chemical reactions in living organisms.

• Enzymes are made up of proteins and are highly specific in their function.

• They lower the activation energy required for a chemical reaction to occur.

• Enzymes are classified based on the type of reaction they catalyze, such as hydrolases, oxidoreductases, and transferases.

• Examples of enzymes include amylase, which breaks down starch, and lactase, which breaks down lactose.

Discipline is the practice of training people to obey rules or a code of behavior.

• Discipline helps in achieving goals and success.

• It helps in maintaining order and structure in personal and professional life.

• It teaches self-control and responsibility.

• Examples of discipline include following a daily routine, meeting deadlines, and adhering to workplace policies.

• Discipline is important in all aspects of life, including education, sports, and the military.

Fermentation is a metabolic process that converts sugar to acids, gases, or alcohol.

• Fermentation is an anaerobic process

• It is used in the production of alcoholic beverages like beer and wine

• It is also used in the production of bread, yogurt, and cheese

• Fermentation can be carried out by microorganisms like yeast and bacteria

• It is an important process in the field of biotechnology

HEPA filters can be identified as choked by observing reduced airflow, increased noise, or visible dust accumulation.

• Reduced airflow through the filter

• Increased noise from the system

• Visible dust accumulation on the filter surface

The test in AHU validation is typically performed to ensure the proper functioning and efficiency of an air handling unit.

• Testing for airflow rates to ensure they meet design specifications

• Checking for proper temperature and humidity control

• Verifying the functionality of filters and dampers

• Testing for air leakage and pressure drops

• Ensuring compliance with relevant regulations and standards

Yes, fermentation is a process of converting sugars into alcohol, acids, or gases by using microorganisms.

• Fermentation is used in the production of alcoholic beverages like beer, wine, and whiskey.

• It is also used in the production of bread, yogurt, and pickles.

• Fermentation can occur with or without oxygen.

• Examples of microorganisms used in fermentation include yeast and bacteria.

• Fermentation is an important process in the food and beverage industry.

Maintain temperature and humidity by using appropriate HVAC systems and monitoring devices.

• Install HVAC systems to regulate temperature and humidity levels

• Use dehumidifiers or humidifiers as needed

• Regularly monitor temperature and humidity levels with sensors

• Ensure proper insulation to prevent heat loss or gain

• Implement proper ventilation to control humidity levels

• Consider using smart thermostats for automated control

Nitrogen plants separate nitrogen from air to produce high-purity nitrogen gas for various industrial applications.

• Nitrogen plants use a process called cryogenic distillation to separate nitrogen from air.

• Air is compressed and cooled to very low temperatures to liquefy it.

• The liquid air is then distilled to separate nitrogen from other gases like oxygen and argon.

• The nitrogen gas is collected and purified to achieve the desired purity level.

• High-purity nitrogen gas is then st...read more

Heat transfer is the movement of thermal energy from one object to another, while mass transfer is the movement of substances from one place to another.

• Heat transfer can occur through conduction, convection, and radiation.

• Examples of heat transfer include boiling water on a stove, feeling the warmth of the sun, and using a radiator to heat a room.

• Mass transfer can occur through diffusion, convection, and advection.

• Examples of mass transfer include the dispersion of perfume in...read more