Enova Facilities Management LLC Hvac Technician Interview Questions, Process, and Tips

Q1. Refrigeration cycle, types of chiller
Ans. 
The refrigeration cycle is a process of removing heat from a space or substance. Types of chillers include absorption, centrifugal, and reciprocating.
• The refrigeration cycle involves four main components: compressor, condenser, expansion valve, and evaporator

• Absorption chillers use a heat source to drive the refrigeration cycle, while centrifugal and reciprocating chillers use mechanical energy

• Centrifugal chillers are ...read more
Answered by AI
Add your answer

Q1. Process of Chillers operation?
Ans. 
Chillers operate by removing heat from a liquid through a refrigeration cycle.
• Chillers use a compressor to compress refrigerant gas, which then condenses into a liquid.

• The liquid refrigerant is then pumped through an evaporator, where it absorbs heat from the chilled water.

• The refrigerant then returns to the compressor to repeat the cycle.

• Chillers can be air-cooled or water-cooled, depending on the application.

• Chillers...read more
Answered by AI
Add your answer
Q2. What's the work of actuator ?
Ans. 
Actuator is a device that converts electrical energy into mechanical motion.
• Actuators are used in HVAC systems to control the flow of air, water, or steam.

• They can be electric, pneumatic, or hydraulic.

• Examples of actuators include valves, dampers, and motors.

• Actuators are essential for maintaining temperature, humidity, and air quality in HVAC systems.
Answered by AI
View 1 more answer

Q1. WHAT IS HVAC FULL FROM
Ans. 
HVAC stands for Heating, Ventilation, and Air Conditioning.
• HVAC is an acronym for Heating, Ventilation, and Air Conditioning.

• It refers to the technology used for indoor environmental comfort.

• HVAC systems are responsible for heating, cooling, and controlling the air quality in buildings.

• Examples of HVAC equipment include furnaces, air conditioners, heat pumps, and ventilation systems.
Answered by AI
View 7 more answers
Q2. What is PAC full from
Ans. 
PAC full form is Package Air Conditioner.
• PAC is a type of air conditioning system that is self-contained and can be installed in a single package.

• It is commonly used in commercial and industrial settings.

• PAC units are designed to be compact and easy to install, making them a popular choice for retrofitting older buildings.

• Some examples of PAC units include rooftop units, wall-mounted units, and floor-mounted units.
Answered by AI
Add your answer
Q3. Preactiom Air conditioning
Add your answer

Q1. Speak about yourself
Add your answer

Q1. Questions to test knowledge of the market
Add your answer

Q1. Market related questions
Add your answer

A vs b abstract. I was told that I would be evaluated based on communication and articulation skills

Q1. Tell me about your self
Add your answer

Q1. Poters 5 force mdodel
Add your answer
Q2. Describe ansoff matrix
Ans. 
Ansoff Matrix is a strategic planning tool that helps businesses decide their growth strategy by analyzing market penetration, market development, product development, and diversification.
• Ansoff Matrix was developed by Igor Ansoff in 1957.

• It consists of four growth strategies: market penetration, market development, product development, and diversification.

• Market penetration involves selling more of the existing produc...read more
Answered by AI
Add your answer

Q1. Tell me about yourself
Add your answer