SALARPURIA SATTVA Senior Hvac Technician Interview Questions, Process, and Tips for Experienced

Q1. What is hvac, ups, ahu?
Ans. 
HVAC stands for Heating, Ventilation, and Air Conditioning. UPS stands for Uninterruptible Power Supply. AHU stands for Air Handling Unit.
• HVAC refers to the technology used for indoor environmental comfort, including heating, cooling, and air quality control.

• UPS is a device that provides emergency power to a load when the input power source fails.

• AHU is a device used to regulate and circulate air as part of a heating,
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Q2. What's air cold chiller?
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An air cold chiller is a device that cools air by removing heat from it.
• An air cold chiller is commonly used in air conditioning systems to cool indoor spaces.

• It works by circulating a refrigerant that absorbs heat from the air and then releases it outside.

• The chilled air is then distributed through ducts or vents to cool the desired area.

• Air cold chillers can be used in various settings such as homes, offices, hospita...read more
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Q3. What is a Ahu?
Ans. 
An AHU (Air Handling Unit) is a device used to regulate and circulate air as part of a heating, ventilation, and air conditioning (HVAC) system.
• AHU is an abbreviation for Air Handling Unit.

• It is a device used in HVAC systems to control and distribute air.

• AHUs typically consist of a fan, heating and cooling coils, filters, and dampers.

• They are responsible for conditioning and circulating air within a building.

• AHUs can b...read more
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Q4. What is a lp and hp
Ans. 
LP stands for Low Pass and HP stands for High Pass.
• LP (Low Pass) is a type of filter that allows low-frequency signals to pass through while attenuating high-frequency signals.

• HP (High Pass) is a type of filter that allows high-frequency signals to pass through while attenuating low-frequency signals.

• LP and HP filters are commonly used in audio systems to control the frequency range of the output signal.

• LP filters are ...read more
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Q5. What is a ups?
Ans. 
A UPS (Uninterruptible Power Supply) is a device that provides emergency power to a load when the input power source fails.
• UPS is used to protect critical equipment from power outages, voltage fluctuations, and other power-related issues.

• It typically consists of a battery, an inverter, and a rectifier.

• UPS can be used for various applications such as computers, data centers, hospitals, telecommunications, etc.

• Examples o...read more
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Q1. What is pac, who to works?
Ans. 
PAC stands for Programmable Automation Controller. It is a device used in industrial automation to control and monitor processes.
• PAC is a type of controller used in industrial automation systems.

• It is programmable and can be customized to control and monitor various processes.

• PACs are often used in manufacturing plants, power plants, and other industrial settings.

• They can communicate with other devices and systems to g...read more
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Q2. What is a water cold chiller?
Ans. 
A water cold chiller is a device that cools water by removing heat from it, typically used in air conditioning systems or industrial processes.
• A water cold chiller uses a refrigeration cycle to cool water.

• It consists of components such as a compressor, condenser, expansion valve, and evaporator.

• The chiller circulates chilled water through a system to remove heat from the surroundings.

• It is commonly used in air conditio...read more
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Q3. What is a acb, vcb?
Ans. 
ACB stands for Air Circuit Breaker and VCB stands for Vacuum Circuit Breaker.
• ACB is a type of circuit breaker that uses air as the medium to extinguish the arc.

• VCB is a type of circuit breaker that uses vacuum as the medium to extinguish the arc.

• Both ACB and VCB are used for electrical circuit protection and can interrupt the flow of current in case of faults.

• ACBs are commonly used in low voltage applications, while VC...read more
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Q4. Which type ac unit using for server room?
Ans. 
Precision air conditioning units are commonly used in server rooms.
• Precision air conditioning units are designed to provide precise temperature and humidity control.

• These units are capable of maintaining stable and optimal conditions for sensitive equipment like servers.

• They often feature redundant systems for reliability and may include features like hot aisle/cold aisle containment.

• Examples of precision air condition...read more
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Q5. What is a csu?
Ans. 
A CSU, or Channel Service Unit, is a device used in telecommunications to connect a digital line to a customer's equipment.
• CSU stands for Channel Service Unit.

• It is used in telecommunications to connect a digital line to a customer's equipment.

• CSUs provide signal regeneration, line coding, and diagnostic capabilities.

• They ensure reliable transmission of data over long distances.

• Examples of CSUs include T1 CSUs, ISDN CS
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Q1. Estimation and budget related
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Q1. Basic process follows while billing and budgeting
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Q1. Salary negotiations
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Q1. Previous experience
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Q2. About previous project
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Q1. Reconciliation format with example of construction materials
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Q2. Types of foundation
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Q1. Overall experience in civil construction phase
Ans. 
Extensive experience in civil construction, focusing on project management, quality control, and team collaboration.
• Managed multiple large-scale construction projects, ensuring timely completion and adherence to budget constraints.

• Implemented quality control measures that reduced rework by 20%, enhancing overall project efficiency.

• Collaborated with architects and engineers to optimize design plans, resulting in a 15% c...read more
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Q2. Asking about types of Waterproofing and their steps
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Q3. Question about how to take gypsum pads for punning and their thickness as per IS standards
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Q4. How to do tile flooring and types of tiles used in flats
Ans. 
Tile flooring involves selecting, preparing, and installing tiles for aesthetic and functional purposes in flats.
• Choose the right type of tile: ceramic, porcelain, vinyl, or natural stone.

• Prepare the subfloor: ensure it's clean, dry, and level.

• Use appropriate adhesive: thin-set mortar for most tiles, mastic for vinyl.

• Measure and plan layout: start from the center for symmetry.

• Cut tiles as needed: use a tile cutter or w...read more
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Q5. Asking about resources u have
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Q6. External development work
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Q7. Snagging and de snagging of flats
Ans. 
Snagging and de-snagging involve identifying and rectifying defects in newly constructed flats before handover.
• Snagging is the process of inspecting a property for defects or unfinished work.

• Common snags include paint imperfections, misaligned doors, and plumbing issues.

• De-snagging refers to the rectification of identified issues before final handover.

• For example, if a window doesn't close properly, it would be noted d...read more
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Q8. How many CFO and OC visits attended
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Q9. Asking about various paints and their applications
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Q10. Finishing related questions
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Q11. How many flats handover in previous project and experience in handover
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Q12. Coordination with architects as well as consultants
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Q1. LT Side Equipments
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Q1. Introduction & Salary
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Sr.enjineer mock test

Q1. Ups safety realted Csu realted
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