Voltas Interview Questions, Process, and Tips

Q1. Thermodynamics, heat transfer , machine design , simulation
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Q1. Heat transfer , refrigeration cycle ,machine design related , knowledge of cad softwares
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Q1. 3 yars mumbai working and 6 years Oman working
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Q2. Air conditioning ac technician mentanens working
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Q1. Introduction or your self
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Q2. About your experience
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Q1. Refrigeration related
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Q2. Field related questions
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Related to study ex: BA

Q1. What is this conveyor
Ans. 
A conveyor is a machine used to transport materials or products from one place to another.
• Conveyors can be used in manufacturing plants, warehouses, and airports.

• They can be powered by motors, gravity, or manual labor.

• Examples include belt conveyors, roller conveyors, and overhead conveyors.
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Q2. What is this conveyor bearing
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A conveyor bearing is a component used to support and guide the conveyor belt along its path.
• Conveyor bearings help reduce friction and ensure smooth movement of the conveyor belt

• They are typically made of metal or plastic materials

• Regular maintenance and lubrication of conveyor bearings is essential to prevent breakdowns

• Examples of conveyor bearings include ball bearings, roller bearings, and sleeve bearings
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Q1. Overall Company roles and responsibilities
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The overall company roles and responsibilities involve defining job duties, setting expectations, and ensuring accountability.
• Defining job duties for each position within the company

• Setting clear expectations for employees

• Ensuring accountability for tasks and projects

• Providing necessary training and resources for employees to succeed

• Evaluating performance and providing feedback

• Promoting a positive work culture and team
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Q2. Sap process
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Q3. Codes and manpower handling
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Q1. Inventory process
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Q2. Kaizon and 5s
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Q1. What is sub cooling and super heat
Ans. 
Sub cooling and superheat are terms used in refrigeration to describe the temperature difference between the refrigerant's actual temperature and its saturation temperature.
• Sub cooling is the difference between the refrigerant's actual temperature and its saturation temperature at a particular pressure.

• Superheat is the difference between the refrigerant's actual temperature and its saturation temperature at a particula...read more
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Q2. The chiller condenser outlet line to super heat work and evaporator to compressor before sub cooling work
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Q1. Refrigeration basic cycle
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Q2. 1.Compressor to condenser 2.Condenser to expansion valve 3.Expansion valve to evaporator 4.Evaporator to compressor
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Q1. The split unit E6 error how to resolve
Ans. 
E6 error in a split unit can be resolved by checking the air filter, cleaning the coils, and resetting the unit.
• Check the air filter for any blockages or dirt buildup

• Clean the coils to ensure proper airflow and cooling

• Reset the unit by turning it off for a few minutes and then turning it back on

• Consult the user manual for specific troubleshooting steps
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Q2. Check the Indore to outdoor communication cable continuity continuous not coming means cable is failure and cable continuity is coming na board failure
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Manager and technical officer

One split AC installation work explain

Q1. Wat is thermodynamics
Ans. 
Thermodynamics is the branch of physics that deals with the relationships between heat, work, and energy.
• Thermodynamics studies the transfer of energy in the form of heat and work.

• It involves concepts such as temperature, pressure, and entropy.

• The laws of thermodynamics govern the behavior of energy in systems.

• Examples include engines converting heat into mechanical work and refrigerators removing heat from a space.

• The...read more
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Q2. Wat is known as energy
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Energy is the ability to do work or produce heat.
• Energy can exist in various forms such as kinetic, potential, thermal, chemical, nuclear, and electromagnetic

• It is measured in units such as joules or calories

• Energy can be transferred or converted from one form to another

• Examples include the energy stored in a battery, the heat energy from the sun, and the kinetic energy of a moving car
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Q3. Wat is Unit of heat
Ans. 
Unit of heat is a measurement of energy transferred between two bodies due to a temperature difference.
• Unit of heat is typically measured in joules (J) or calories (cal).

• One calorie is defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius.

• Heat can also be measured in British Thermal Units (BTU) or kilowatt-hours (kWh).
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Q4. Wat is components of AC
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Components of an AC include compressor, condenser, evaporator, expansion valve, and refrigerant.
• Compressor: responsible for circulating refrigerant through the system

• Condenser: releases heat absorbed by the refrigerant

• Evaporator: absorbs heat from the air inside the room

• Expansion valve: regulates the flow of refrigerant

• Refrigerant: substance used to cool the air
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