Universal Voltas LLC Electrical Technician Interview Questions and Answers

AHU stands for Air Handling Unit.

• AHU is a device used to regulate and circulate air as part of a heating, ventilation, and air conditioning (HVAC) system.

• It typically consists of a blower, heating or cooling elements, filters, dampers, and sound attenuators.

• AHUs are commonly found in commercial and industrial buildings to maintain indoor air quality and comfort.

• Examples of AHU manufacturers include Trane, Carrier, and

Air Handling Unit

• AHU stands for Air Handling Unit

• AHUs are used to regulate and circulate air as part of HVAC systems

• They typically consist of a blower, heating or cooling elements, filters, and dampers

• AHUs are commonly found in commercial and industrial buildings

UPS stands for Uninterruptible Power Supply. It is an electrical device that provides emergency power to a load when the input power source fails.

• UPS works by converting DC power from a battery to AC power that can be used by the load.

• It provides immediate power backup during power outages, preventing data loss and equipment damage.

• UPS can also regulate voltage and frequency, protecting the load from power surges and s...read more

AHU stands for Air Handling Unit. It is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning (HVAC) system.

• AHU is responsible for filtering, heating, cooling, humidifying, and dehumidifying the air.

• It consists of a blower, heating and cooling elements, filters, and dampers.

• The blower pulls in air from the outside and passes it through the filters to remove impurities.

• The a...read more

AC stands for Alternating Current. There are two types of AC - Single Phase and Three Phase.

• AC is a type of electrical current that periodically reverses direction.

• Single Phase AC is commonly used in households and small businesses.

• Three Phase AC is used in industrial and commercial settings.

• AC power is generated by power plants and transmitted through power lines.

• AC voltage and frequency vary depending on the country ...read more

BMS Work CCTV operation involves monitoring and controlling CCTV systems through a Building Management System.

• BMS Work CCTV operation is a part of building automation systems that allows for remote monitoring and control of CCTV systems.

• It involves integrating CCTV systems with the BMS to enable real-time monitoring and control of cameras, recording devices, and other related equipment.

• BMS Work CCTV operation can be us...read more

Bukolze relays are used in electrical engineering for their high reliability and ability to handle high voltage and current.

• Bukolze relays are known for their robustness and durability.

• They are commonly used in power systems and industrial applications.

• These relays can handle high voltage and current levels, making them suitable for heavy-duty operations.

• They provide reliable switching and protection in electrical circ...read more

CT and PT are used in electrical engineering for measurement and protection purposes.

• CT (Current Transformer) is used to measure high currents and step them down to a level suitable for measurement instruments.

• PT (Potential Transformer) is used to measure high voltages and step them down to a level suitable for measurement instruments.

• CTs and PTs are also used for protection purposes, such as detecting faults and isola...read more

The number of transformer production varies depending on the company and market demand.

• The number of transformer production is influenced by factors such as market demand, company size, and production capacity.

• Large transformer manufacturers may produce thousands of transformers per year.

• Smaller companies or custom transformer manufacturers may have lower production volumes.

• The production volume can also vary based on ...read more

There are several types of breakers used in electrical engineering.

• Circuit breakers are used to protect electrical circuits from overloads and short circuits.

• Some common types of breakers include thermal, magnetic, and hydraulic-magnetic breakers.

• Thermal breakers use a bimetallic strip to detect excessive heat and trip the circuit.

• Magnetic breakers use a solenoid to detect high currents and trip the circuit.

• Hydraulic-m...read more