Qarmatek Services Electronic Technician Interview Questions and Answers

Implemented a preventive maintenance program that reduced downtime by 20%

• Developed and implemented a preventive maintenance program

• Reduced downtime by 20%

• Received recognition from management for the successful implementation

Experienced maintenance technician with a background in electrical and mechanical systems.

• 10+ years of experience in troubleshooting and repairing industrial equipment

• Skilled in reading technical manuals and blueprints

• Proficient in using hand and power tools

• Strong knowledge of HVAC systems and electrical wiring

• Certified in safety procedures and OSHA regulations

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

Calibration procedures for various instruments including air flow, control valves, gate valves, dampers, and nozzle valves.

• Calibration involves comparing the readings of an instrument to a known standard.

• Air flow can be calibrated using a pitot tube or hot wire anemometer.

• Control valves can be calibrated by adjusting the position of the valve stem.

• Gate valves can be calibrated by measuring the torque required to turn t...read more

HVAC stands for Heating, Ventilation, and Air Conditioning.

• HVAC is an acronym for Heating, Ventilation, and Air Conditioning.

• It refers to the technology used for indoor environmental comfort.

• HVAC systems are responsible for heating, cooling, and controlling the air quality in buildings.

• Examples of HVAC equipment include furnaces, air conditioners, heat pumps, and ventilation systems.

PAC full form is Package Air Conditioner.

• PAC is a type of air conditioning system that is self-contained and can be installed in a single package.

• It is commonly used in commercial and industrial settings.

• PAC units are designed to be compact and easy to install, making them a popular choice for retrofitting older buildings.

• Some examples of PAC units include rooftop units, wall-mounted units, and floor-mounted units.

Current is the flow of electric charge in a circuit.

• Current is measured in Amperes (A)

• It is the rate of flow of electric charge through a conductor

• Direct current (DC) flows in one direction, while alternating current (AC) changes direction periodically

A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.

• Circuit breakers detect faults in the electrical system and interrupt the flow of electricity to prevent damage.

• They consist of a switch mechanism and a tripping mechanism that activates when a fault is detected.

• Circuit breakers can be reset manually or automatically after tripping.

• Example...read more

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Consists of two coils of wire (primary and secondary) wrapped around a core

• Primary coil receives electrical energy and creates a magnetic field

• Magnetic field induces a voltage in the secondary coil, transferring energy

• Used in power distribution, voltage regulation, and electrical isolati...read more