Hindustan Petroleum Electrical Supervisor Interview Questions and Answers

Q1. 3phase Moter Star+Delta stater how work
Ans. 
Star-Delta starter is used to start 3-phase motors. It reduces the starting current and torque.
• Star-Delta starter connects the motor in star configuration during starting to reduce the starting current and torque.

• After a few seconds, the starter switches the motor to delta configuration for normal operation.

• This method is used for motors with high starting current and torque requirements.

• It is commonly used in industri...read more
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Q2. DOL stater how work 3phase moter
Ans. 
DOL starter is a direct-on-line starter used to start 3-phase motors by connecting them directly to the power supply.
• DOL starter provides full voltage to the motor at the start

• It consists of a contactor, overload relay, and start/stop push buttons

• The contactor connects the motor to the power supply

• The overload relay protects the motor from overloading

• The start/stop push buttons control the on/off function of the motor
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Q1. What is your name?
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Q2. What is your qualification
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Q3. What is your occupation need?
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Q4. What is your achievements?
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Q5. How many family members in your family?
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Q1. What is the unit of Energy
Ans. 
The unit of Energy is Joule (J)
• The unit of Energy is Joule (J)

• Energy can also be measured in kilowatt-hours (kWh)

• 1 Joule is equal to 1 watt-second
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Q2. What is unit of resistance
Ans. 
The unit of resistance is Ohm (Ω).
• The unit of resistance is represented by the symbol Ω (Ohm).

• Resistance is measured in Ohms, named after the German physicist Georg Simon Ohm.

• One Ohm is equal to one volt per ampere (1 Ω = 1 V/A).
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Q3. What is unit of current
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The unit of current is Ampere (A)
• The unit of current is Ampere (A)

• Current is the flow of electric charge in a circuit

• 1 Ampere is equivalent to 1 Coulomb per second

• Current is measured using an ammeter
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Q4. What is the unit of capacitance
Ans. 
The unit of capacitance is Farad (F)
• The unit of capacitance is named after Michael Faraday

• 1 Farad is equal to 1 Coulomb per Volt

• Common multiples of Farad include microfarad (uF) and picofarad (pF)
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Q5. What is the unit of power
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The unit of power is the watt (W)
• The unit of power is the watt (W)

• Power is the rate at which work is done or energy is transferred

• 1 watt is equal to 1 joule per second

• Common examples of power units include kilowatts (kW) and horsepower (hp)
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Q6. What is the unit of power?
Ans. 
The unit of power is the watt (W).
• The unit of power is the watt (W)

• Power is the rate at which work is done or energy is transferred

• 1 watt is equal to 1 joule per second

• Common examples of power units include kilowatts (kW) and horsepower (hp)
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Q7. What is the unit current?
Ans. 
The unit of current is Ampere (A), which measures the rate of flow of electric charge.
• The unit of current is Ampere (A)

• Current is the rate of flow of electric charge

• Commonly represented by the symbol 'I'

• 1 Ampere is equivalent to 1 Coulomb per second
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q5. Carefully read the job description and understand every point
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Q1. What is your family background?
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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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. Branches Of Eletrical Equipment
Ans. 
Electrical equipment can be classified into several branches based on their functions and applications.
• Power equipment - transformers, generators, motors, switchgear

• Lighting equipment - bulbs, tubes, fixtures

• Communication equipment - telephones, radios, antennas

• Control equipment - relays, circuit breakers, controllers

• Electronic equipment - computers, TVs, audio systems

• Testing equipment - multimeters, oscilloscopes, pow
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Q2. Transformers,Basic Electrical
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Q1. Electrical Engineering
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Q2. Motor, Generator
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Q1. Resources of Earth
Ans. 
Earth has various resources including minerals, water, air, and energy sources.
• Minerals such as gold, silver, copper, and iron are found in the earth's crust.

• Water is a vital resource for all living beings and is found in oceans, rivers, and lakes.

• Air is composed of various gases such as oxygen, nitrogen, and carbon dioxide.

• Energy sources include fossil fuels, solar energy, wind energy, and hydroelectric power.

• Other re...read more
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Ardhamatic,reasoning

Full stack Java Developer

Q1. In software development or Electrical and electronic engineering
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