Voltas Interview Questions, Process, and Tips

Q1. How to join your company to work him
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Q2. How much salary for fresher accountant?
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Q3. How to work a best employer?
Ans. 
To work for the best employer, one must prioritize a positive work culture, opportunities for growth, fair compensation, and open communication.
• Prioritize a positive work culture where employees feel valued and supported.

• Look for opportunities for growth and development within the company.

• Ensure fair compensation and benefits for employees.

• Maintain open communication channels between employees and management.

• Seek out a...read more
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Q4. Company providesme some benfits like medical ' health travelling'?
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Q5. What was the grow in 5 years company dalma?
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Impressive for me something question didn't satisfied

Q1. Too much technical about RAC
Ans. Latent heat, sensible heat, heat load calculation
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Q2. How to convert a plus chiller to minus chiller package
Ans. 
To convert a plus chiller to a minus chiller package, the refrigeration system needs to be modified to accommodate the change in temperature requirements.
• Modify the refrigeration system to allow for lower temperatures

• Adjust the settings and controls to operate at negative temperatures

• Install additional insulation to maintain lower temperatures

• Replace any components that are not rated for sub-zero temperatures
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Q3. Few technicalities which can help you answer on HVAC segment
Ans. How to design & built a project using Autocad2D
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Q4. Difference between inverter and fixed speed
Ans. 
Inverter changes speed based on load, while fixed speed operates at a constant speed.
• Inverter adjusts motor speed to match the required load, saving energy and reducing wear and tear.

• Fixed speed motors operate at a constant speed regardless of the load, leading to higher energy consumption.

• Inverter technology is commonly used in air conditioners and refrigerators for energy efficiency.

• Fixed speed motors are often found...read more
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Q5. How is pumps HP calculated
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Pump HP is calculated using the formula: HP = (Q x H) / (3960 x Efficiency)
• HP = Horsepower of the pump

• Q = Flow rate of the pump in gallons per minute (GPM)

• H = Total head in feet

• Efficiency = Efficiency of the pump as a decimal
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Q6. What is suction head
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Suction head is the vertical distance between the pump impeller and the surface of the liquid being pumped.
• Suction head is important in determining the efficiency of a pump.

• It is crucial for ensuring that the pump does not cavitate, which can damage the pump.

• Examples of suction head include static suction head and dynamic suction head.
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Q1. Chiller selection based on which parameters
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Chiller selection is based on various parameters such as cooling capacity, efficiency, size, noise level, and cost.
• Cooling capacity: Determine the required cooling capacity based on the size of the space and heat load.

• Efficiency: Look for energy-efficient models to reduce operating costs.

• Size: Consider the physical dimensions of the chiller to ensure it fits in the designated space.

• Noise level: Choose a chiller with lo...read more
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Q2. Inlet & outlet temp for both evap & Cond If aircooled ambient prescription in ISHRAE
Ans. 
The inlet and outlet temperatures for both the evaporator and condenser depend on the ambient conditions prescribed by ISHRAE.
• Inlet and outlet temperatures for the evaporator and condenser will vary based on the ambient conditions specified by ISHRAE standards.

• For air-cooled systems, the inlet temperature for the evaporator is typically higher than the outlet temperature, while the opposite is true for the condenser.

• IS...read more
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Q3. VRF : what is diversity, how it helps to gain more bookings
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Q4. How to design ODU VRF with AHU
Ans. 
Designing ODU VRF with AHU involves selecting compatible units, determining capacity requirements, and ensuring proper installation.
• Select compatible ODU VRF and AHU units based on capacity and efficiency requirements

• Calculate the total cooling and heating load of the space to determine the capacity needed

• Design the refrigerant piping and electrical connections between the ODU VRF and AHU

• Ensure proper ventilation and a...read more
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Q5. How refnets are calculated
Ans. 
Refnets are calculated based on the number of referrals made by an individual.
• Refnets are typically calculated by counting the number of referrals made by an individual.

• The formula for calculating refnets may vary depending on the specific program or system being used.

• Refnets can be used to track the effectiveness of referral programs and the performance of individuals in generating referrals.
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Q6. In chilled water syatem where is PIBCV valves are installed
Ans. 
PIBCV valves are typically installed on the supply side of the chilled water system.
• PIBCV valves are installed on the supply side to control the flow of chilled water into the system.

• They are often located near the chillers or air handling units.

• PIBCV valves help regulate the temperature of the chilled water circulating in the system.

• These valves are crucial for maintaining the efficiency and performance of the chilled
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Q7. What is IK/TR & What is NPLV
Ans. 
IK/TR stands for Installment Key/Total Receivables and NPLV stands for Net Present Loan Value.
• IK/TR is a financial metric used to calculate the ratio of total installment payments to total receivables.

• NPLV is a financial metric used to determine the net present value of a loan.

• IK/TR is important for assessing the repayment capacity of borrowers, while NPLV helps in evaluating the profitability of loans.

• Example: If a bo...read more
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Q8. What is MaX COP of VRF vs Chillers
Ans. 
The MaX COP of VRF systems is typically higher than that of chillers.
• VRF systems generally have a higher COP (Coefficient of Performance) compared to chillers.

• VRF systems can achieve COP values of 4 or higher, while chillers typically have COP values around 2 to 3.

• The higher COP of VRF systems makes them more energy efficient and cost-effective in the long run.
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Q1. How to AC installed
Ans. 
AC installation involves mounting the unit, connecting electrical components, and testing for proper functionality.
• Mount the AC unit securely on a wall or window

• Connect the electrical components following the manufacturer's instructions

• Test the AC to ensure it is cooling properly
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Q2. How to fix problems derneg
Ans. 
To fix problems as an Installation Technician, troubleshoot the issue, identify the root cause, and implement the appropriate solution.
• Troubleshoot the issue by checking connections and settings

• Identify the root cause of the problem

• Implement the appropriate solution, which may involve repairing or replacing components

• Test the system to ensure the problem is resolved
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Q1. AC installer technicians
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Q2. AC installer technician
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Q1. First question is self introduction, my designation, education, how many years exp., how many years relevant exp., software knowledge, how may members handle in floor for project, file study, project stand...read more
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Q2. I answer to sir that opposite site sitting hire, I replied for all answer that I knows. Already more than 17 years exp. on MEP (BIM) as well as software.
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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. 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 ??
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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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