Carrier Hvac Site Engineer Interview Questions and Answers

How to Conduct a DIY HVAC Inspection
Make sure your thermostat is working properly. Start by checking your thermostat. ...
Shut off the power. ...
Remove debris from the external HVAC unit. ...
Clean and repair the fins. ...
Clear the area around the unit. ...
Level the HVAC unit. ...
Clean the evaporator coil. ...
Check the evaporator drain.

Effective communication. ...
Troubleshooting skills. ...
Customer service. ...
Time management. ...
Critical thinking. ...
Hand and power tool experience. ...
Mechanical skills.

Q1. Installing, maintaining, and repairing ventilation and air conditioning systems and equipment
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Q2. Identifying maintenance risks on equipment. Diagnosing electrical and mechanical faults for HVAC systems. Cleaning, adjusting, and repairing
Ans. 
Identifying maintenance risks, diagnosing faults, and repairing HVAC systems.
• Perform regular inspections to identify potential maintenance risks on HVAC equipment.

• Use diagnostic tools and techniques to identify electrical and mechanical faults in HVAC systems.

• Clean and adjust HVAC components to ensure optimal performance.

• Repair or replace faulty parts to restore functionality.

• Examples: Identifying a refrigerant leak, d...read more
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Q3. Chiller systems and ahu fcu
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Q4. Chiller operating system
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Q5. Ahu fcu spilit window exhaust fan
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Q1. What is AI? IN
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Q1. Tell me Working of HVAC ?
Ans. 
HVAC works by controlling the temperature, humidity, and air quality in a building through heating, ventilation, and air conditioning systems.
• HVAC systems use a combination of heating, cooling, and ventilation to maintain a comfortable indoor environment.

• Heating is typically provided by a furnace or boiler, while cooling is achieved through air conditioning units or heat pumps.

• Ventilation involves the exchange of indoo...read more
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Q1. Canon printers hommany typs
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Planning is best way of working style and complete the job very quality work.

Q1. Yes but working experience on the job
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Q2. Any way of working answer
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Q3. Experience matter person is don't loss any item on company very very important
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Q4. Wtp, ESR , Intake , pipe line- Di &HDPE,FHTC connection and etc with billing any work.
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Q5. Thanks and regards Samir mishra Please take chance the I will showingmyhard workingin a mont.
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Construction manager discussion with start work .

Any work start before discussion with lovour and supervisor .

Group discussion is most important the work will be start the don't any problem

Q1. What is hvac work and what is compressor type
Ans. 
HVAC work involves installing, maintaining, and repairing heating, ventilation, and air conditioning systems. Compressors are a type of HVAC component that pressurizes refrigerant gas.
• HVAC work includes installing, maintaining, and repairing heating, ventilation, and air conditioning systems

• Compressors are a type of HVAC component that pressurizes refrigerant gas

• There are different types of compressors used in HVAC sys...read more
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Q2. HVAC and ac how is wark in refrigeration cycale
Ans. 
The refrigeration cycle in HVAC and AC systems involves the process of absorbing heat from indoor air and releasing it outside.
• Refrigerant absorbs heat from indoor air through the evaporator coil

• The refrigerant is then compressed into a high-pressure, high-temperature gas in the compressor

• The hot gas releases heat outside through the condenser coil

• The refrigerant then expands and cools down in the expansion valve befor
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Q1. Treated fresh unit equipment parts name ??
Ans. 
Treated fresh unit equipment parts are components used in the treatment of fresh water in a unit.
• Pumps

• Filters

• Valves

• Chemical dosing systems

• Control panels

• Flow meters
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Q2. TFA working principle ??
Ans. 
TFA stands for Thin Film Antenna. It is a type of antenna that uses a thin film of conductive material to transmit and receive signals.
• TFA works on the principle of using a thin film of conductive material as the antenna element.

• The conductive film is usually made of materials like copper or gold.

• The film is deposited on a substrate, which provides mechanical support and insulation.

• TFA antennas are lightweight, flexibl...read more
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Q3. Heat load calculation??
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Q4. How to calculate duct size ??
Ans. 
Duct size can be calculated based on the required airflow, velocity, and friction loss.
• Determine the required airflow for the space or system.

• Calculate the velocity of the air based on the desired airflow and the cross-sectional area of the duct.

• Consider the friction loss in the duct system due to fittings, bends, and length.

• Use duct sizing charts or software to find the appropriate duct size based on the calculated ve...read more
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Q5. AHU and chiller working with diagram ??
Ans. 
AHU and chiller are essential components of HVAC systems.
• AHU stands for Air Handling Unit and is responsible for circulating and conditioning air within a building.

• Chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.

• AHU and chiller work together to provide cooled air to the building.

• AHU takes in outside air, filters it, cools or heats it, and then distributes i...read more
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Q6. How ventilation CFM calculate.
Ans. 
Ventilation CFM is calculated by determining the volume of air to be exchanged per minute.
• CFM stands for Cubic Feet per Minute.

• To calculate ventilation CFM, you need to know the volume of the space and the desired air exchange rate.

• The formula to calculate CFM is: CFM = (Volume of Space) x (Air Exchange Rate)

• For example, if the volume of a room is 1000 cubic feet and the desired air exchange rate is 5 times per hour, t
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Q1. Current CTC and expected CTC ??
Ans. 
The current CTC and expected CTC are financial aspects of the job that need to be discussed during the negotiation process.
• Current CTC refers to the current salary or compensation package of the candidate.

• Expected CTC refers to the salary or compensation package the candidate is looking for in the new role.

• These figures are important for both the employer and the candidate to ensure alignment and avoid any misunderstan...read more
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Q2. Notice period and sooner you can join ??
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Q1. How to calculate Exhaust CFM calculate??
Ans. 
Exhaust CFM can be calculated by determining the air volume flow rate in cubic feet per minute.
• Determine the area of the exhaust opening

• Measure the velocity of the air being exhausted

• Multiply the area by the velocity to get the air volume flow rate in cubic feet per minute
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Q2. Duct size with gauge??
Ans. 
Duct size is determined by the gauge of the material used.
• Duct size refers to the dimensions of the ductwork used in HVAC systems.

• The gauge of the material refers to its thickness or weight.

• Thicker gauge materials are used for larger duct sizes to ensure structural integrity.

• Common gauges for ductwork range from 26 to 16, with lower numbers indicating thicker materials.

• For example, a 16-gauge duct would be used for lar...read more
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Q1. All same question as hobby?
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Q2. Why you leave previous firm?
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Q3. Can able to work in remote location?
Ans. 
Yes, I am willing to work in remote locations.
• I am adaptable and can work in different environments.

• I am willing to travel and work in remote locations as required.

• I have experience working in remote locations and understand the challenges that come with it.

• I am able to work independently and can manage my time effectively.

• I am committed to meeting project deadlines and delivering quality work, regardless of location.
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