Rockwell Automation Electrical Maintenance Engineer Interview Questions and Answers

The first round was a gamified aptitude test, and shortlisting was conducted based on sectional cutoffs. Female candidates were given higher preference.

Q1. Basic questions on Transformer
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Q2. Working of circuit Breakers and relays
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Q3. What is corona loss, insulators, Ferranti effect and all the basics of ETD
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Q4. What is a Buchholz relay and how does it work?
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Q5. Principle of Induction motor and what is mutual inductance
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Q1. Introduction your self
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I am an experienced Electrical Engineer with expertise in designing and implementing electrical systems.
• I have a Bachelor's degree in Electrical Engineering from XYZ University.

• I have worked for 5 years at ABC Company, where I designed and implemented electrical systems for commercial buildings.

• I am proficient in using CAD software for creating electrical schematics and layouts.

• I have experience in troubleshooting and ...read more
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Q2. Technical answer
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Q3. What is oms law What resistance unit
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Ohm's Law is a fundamental principle in electrical engineering that relates the current flowing through a conductor to the voltage across it and the resistance of the conductor.
• Ohm's Law states that the current (I) flowing through a conductor is directly proportional to the voltage (V) across it and inversely proportional to the resistance (R) of the conductor.

• The formula for Ohm's Law is: V = I * R, where V is the vol...read more
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Q4. What's current unit
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The current unit is the ampere (A), which measures the flow of electric charge.
• The ampere is named after the French physicist André-Marie Ampère.

• Current is the rate at which electric charge flows through a conductor.

• Other common units for current include milliamperes (mA) and microamperes (μA).
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Q5. Write the voltage unit
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The voltage unit is measured in volts (V).
• The voltage unit is denoted by the symbol V.

• Voltage is the potential difference between two points in an electrical circuit.

• Common examples of voltage units include millivolts (mV), kilovolts (kV), and megavolts (MV).
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Q1. Cable tray light transformer
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Q1. Introduction in the technical My self Suneel meena for electrical engineering rtu kota 67.28 % My b.tech electrical engineering my b.tech complete in 2021 and i have work in 132 kv sub station bhar...read more
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Q2. Tell me about my self
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Q3. Introduction in my self
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Q1. About differ kinds of plcs.
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Q1. Like what kind of saftey noms your follow in your previous organization.
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Q1. About family, ambition etc
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Q1. About past experience and electrical design related questions
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Q1. Interviewed with US team, asked general managerial and few technical questions
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Q1. Introduction and background
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Q1. 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 through a conductor

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

• In a series circuit, the current remains the same throughout

• Ohm's Law relates current, voltage, and resistance: I = V/R
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Q2. 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 force that pushes electric current through a circuit

• It is measured in volts (V)

• Voltage is the potential difference between two points in a circuit

• Higher voltage means more potential energy available to move electrons

• Voltage can be DC (direct current) or AC (alternating current)
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Q3. What is vcb full form
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VCB full form is Vacuum Circuit Breaker.
• VCB stands for Vacuum Circuit Breaker.

• It is a type of circuit breaker that uses a vacuum to extinguish the arc when the contacts open.

• VCBs are commonly used in medium voltage applications.

• They are more reliable and require less maintenance compared to other types of circuit breakers.
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Q4. What is mcb full form
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MCB full form is Miniature Circuit Breaker.
• MCB stands for Miniature Circuit Breaker.

• It is an electromechanical device that protects an electrical circuit from overcurrent.

• MCBs automatically switch off electrical circuits during abnormal conditions.

• They are commonly used in residential and commercial buildings for electrical safety.

• Examples of MCB brands include Schneider Electric, Siemens, and Legrand.
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Q5. What is transform
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A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to a power source, creating a magnetic field when current flows through it.

• This magnetic field induces a voltage in the secondary coil, allowing for the transfer of electrical energy.

• Tra...read more
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