Utility Technician
Utility Technician Interview Questions and Answers
Q1. What is DG and how it works and what are its maintenance
DG stands for Diesel Generator. It is a backup power source that works by converting diesel fuel into electricity.
DG is commonly used in areas with frequent power outages or in remote locations where there is no access to the power grid.
It consists of a diesel engine and an alternator that work together to generate electricity.
Maintenance of DG includes regular oil and filter changes, checking the battery and coolant levels, and inspecting the fuel system for leaks.
DG should ...read more
Q2. What is transformer and how it works and tell me the ratings
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.
They work on the principle of electromagnetic induction, where a changing magnetic field induces a voltage in a coil of wire.
The ratings of a transformer include its voltage rating, current rating, and power rating.
For example, a transformer wi...read more
Q3. What is the voltage between neutral to ground or earth
The voltage between neutral to ground or earth is ideally zero, but can vary depending on the electrical system and grounding practices.
In a properly grounded electrical system, the voltage between neutral and ground should be zero.
However, in some cases, such as when there is a fault in the system or improper grounding practices, the voltage can be higher.
The voltage between neutral and ground can also vary depending on the type of electrical system, such as a three-phase sy...read more
Q4. Star delta connection diagram and how it works
Star delta connection is a method of connecting three-phase electrical motors.
It is used to reduce the starting current of the motor.
In star connection, the motor windings are connected in a triangle and in delta connection, they are connected in a star.
The switch from star to delta is done using a contactor.
The motor runs at a lower voltage in star connection and at full voltage in delta connection.
Q5. Utility technical issues in
Utility technicians deal with technical issues related to utilities such as electricity, water, gas, and telecommunications.
Utility technicians troubleshoot and repair issues with utility systems
They perform regular maintenance and inspections to ensure proper functioning of systems
Examples of technical issues include power outages, water leaks, gas leaks, and network connectivity problems
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