Qarmatek Services Senior Technician Interview Questions and Answers

There are various types of transformers such as power transformers, distribution transformers, autotransformers, isolation transformers, etc.

• Power transformers are used in high voltage transmission systems.

• Distribution transformers are used to step down the voltage for distribution to homes and businesses.

• Autotransformers have a single winding and are used for voltage regulation.

• Isolation transformers are used to isola...read more

AHU stands for Air Handling Unit. It is used in HVAC systems to regulate and circulate air in buildings.

• AHU stands for Air Handling Unit.

• It is a device used in HVAC (Heating, Ventilation, and Air Conditioning) systems.

• AHUs are responsible for regulating and circulating air in buildings.

• They help maintain indoor air quality and temperature.

• AHUs are commonly found in commercial buildings, hospitals, schools, and industri...read more

Electrical current unit is measured in Amperes (A).

• Electrical current unit is the measure of the flow of electric charge.

• It is measured in Amperes (A) and is named after the French physicist Andre-Marie Ampere.

• One Ampere is defined as the amount of current that flows when one Coulomb of charge passes through a conductor in one second.

• Electrical current is the rate at which electric charge flows through a circuit.

• It is ...read more

The Indian standard frequency is 50 Hz.

• The Indian standard frequency is used for power supply in India.

• It is also known as the mains frequency.

• It is different from the frequency used in some other countries like the US (60 Hz).