Harish Project Contractor Electrical Shift Engineer Interview Questions and Answers

Reasoning , mathematics

Q1. What is behaviour ?
Ans. 
Behaviour refers to the way in which a person or animal acts or conducts themselves in response to a particular situation or stimulus.
• Behaviour is influenced by genetics, environment, and past experiences.

• It can be observed and measured through actions, reactions, and responses.

• Behaviour can be categorized as either innate (instinctual) or learned.

• Examples of behaviour include aggression, shyness, curiosity, and friend
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Q2. What is the best method in power transfers?
Ans. 
The best method in power transfers is through high voltage transmission lines.
• High voltage transmission lines are more efficient in transferring power over long distances.

• Using transformers to step up the voltage before transmission and step down the voltage at the receiving end helps minimize power loss.

• HVDC (High Voltage Direct Current) transmission is another efficient method for long distance power transfers.

• Smart ...read more
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Q1. What is current
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Current is the flow of electric charge through a conductor.
• Current is measured in Amperes (A)

• It is the rate of flow of electric charge

• Current can be either direct current (DC) or alternating current (AC)

• Examples: A light bulb connected to a power source has current flowing through it

• In a circuit, current flows from the positive terminal of the voltage source to the negative terminal
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Q2. What are the method to convert in inverter
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Methods to convert inverter include pulse width modulation, sine wave modulation, and square wave modulation.
• Pulse width modulation (PWM) is a common method used to convert inverter signals by varying the width of the pulses.

• Sine wave modulation involves generating a sine wave signal to mimic the output of an inverter.

• Square wave modulation produces a square wave output by switching between high and low voltage levels.

• ...read more
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Q1. Asking for bms system
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Q2. Previous year experience
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I have 3 years of experience working as an Electrical Engineer in a power distribution company.
• Designed electrical systems for new construction projects

• Performed regular maintenance on electrical equipment

• Troubleshooted and repaired electrical issues in a timely manner
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Q1. What is transformer?
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A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary coils

• Primary coil receives electrical energy and creates a magnetic field

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

• Used to step up or step down voltage in power distribution systems

• Examples include power t...read more
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Q2. Types of transformer?
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Types of transformers include step-up, step-down, isolation, autotransformer, and instrument transformer.
• Step-up transformer increases voltage

• Step-down transformer decreases voltage

• Isolation transformer provides electrical isolation between primary and secondary windings

• Autotransformer has a single winding with multiple taps

• Instrument transformer is used for measuring current or voltage in high voltage circuits
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Q3. What is current transformer?
Ans. 
A current transformer is a type of instrument transformer that is used to measure alternating current.
• Current transformers step down current to a safe level for measurement or protection purposes.

• They have a primary winding connected in series with the circuit carrying the current to be measured.

• The secondary winding is connected to measuring or protective devices.

• Current transformers are commonly used in power systems...read more
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Q4. What is difference between current transformer and potential transformer?
Ans. 
Current transformer is used to measure current while potential transformer is used to measure voltage.
• Current transformer is connected in series with the circuit being measured, while potential transformer is connected in parallel.

• Current transformer steps down the current to a measurable level, while potential transformer steps down the voltage.

• Current transformer is used for protection and metering purposes, while po...read more
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Q5. What is current
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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 past a point in a circuit.

• Current can be either direct current (DC) or alternating current (AC).

• In a series circuit, the current is the same at all points.

• In a parallel circuit, the total current is divided among the branches.

• Ohm's Law relates current, voltage, and resistance: I = V/R.
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Q6. What is voltage
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Voltage is the difference in electric potential between two points in a circuit, measured in volts.
• Voltage is the driving force that pushes electric current through a circuit

• It is measured in volts (V)

• Higher voltage means more potential energy available to move electrons

• Voltage can be DC (direct current) or AC (alternating current)

• Example: A battery provides a voltage of 1.5V to power a flashlight
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Q1. Electrical motor and maintenance
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Q2. Electrical engin and jockey pump
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Q1. Why are power transformer trip
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Q2. Test off transformer
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Math ,reasoning, average ,persentage

Q1. Basic electrical
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Q2. Transformer ,genration , power system
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Q3. Electrical fitting related
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Q4. Generator, distribution of electrical supply
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Q5. What is the function of residence
Ans. 
The function of a residence is to provide shelter, security, and comfort for individuals or families.
• Provides shelter from the elements

• Offers security and privacy

• Creates a comfortable living environment

• Can serve as a place for socializing and relaxation
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Q6. What is function on fuse , circuit breaker
Ans. 
Fuses and circuit breakers are safety devices used to protect electrical circuits from overloads and short circuits.
• Fuses are designed to melt and break the circuit when there is an overload or short circuit, preventing damage to the circuit or equipment.

• Circuit breakers are switches that automatically trip when there is an overload or short circuit, cutting off the flow of electricity.

• Fuses need to be replaced after t...read more
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Q1. I am Ajay Kumar ghadai, I am form bhatrak, I have complete my ITI industrial technique institute Bhadrak.2011 ,
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Q2. I am continue in Infosys limited company electrical supervisor post in 5 years experience joining date 2018 to continue Sobha development limited 5 years experience joining date 2013 to 2018
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Q1. Ups ,pac ahu, chiller, transformer,DX unit, vahu, CAHU ,split , bms ,fire system, daily report & etc.
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Q2. Same above pac, ups, transformer,motor & etc.
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Q1. Who to Design and add a lighting in a 59*50 room
Ans. 
To design and add lighting in a 59*50 room, consider the room's purpose, lighting requirements, and energy efficiency.
• Determine the purpose of the room and the activities that will take place in it.

• Calculate the required lighting levels based on the room's function and recommended standards.

• Consider the room's layout and identify areas that need focused lighting, such as workstations or reading corners.

• Choose appropria...read more
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Totally depend on work process