Schneider Electric Electrical Technician Interview Questions, Process, and Tips

Q1. Who is the encoder
Ans. 
An encoder is a device or circuit that converts information from one format to another.
• An encoder can be a hardware device or a software program.

• In the context of electrical engineering, an encoder is often used to convert analog signals into digital signals.

• Encoders are commonly used in communication systems, robotics, and industrial automation.

• Examples of encoders include rotary encoders used in motor control and opt
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Q1. What is your experience.
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Q2. What is your salary expectation
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Q1. Transformers working principle
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Q2. Different type of sensors
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Q1. Tell me about basics of plc??
Ans. 
PLC stands for Programmable Logic Controller, used in industrial automation to control machinery and processes.
• PLC is a digital computer used for automation of electromechanical processes.

• It uses a programmable memory to store instructions and specific functions.

• PLCs are commonly used in manufacturing plants, assembly lines, and robotic devices.

• They can be programmed using ladder logic, function block diagrams, or stru...read more
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Q2. Tell something about industrial automation??
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Industrial automation involves the use of control systems such as robots and computers to handle different processes and machinery in an industrial setting.
• Industrial automation helps improve efficiency and productivity by reducing human intervention in repetitive tasks.

• It involves the use of sensors, actuators, and controllers to monitor and control various processes.

• Examples of industrial automation include automated...read more
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Q1. Draw the star delta controlling
Ans. 
Star delta controlling is a method used to reduce the starting current of induction motors.
• Star delta controlling involves initially connecting the motor windings in a star configuration for starting, then switching to a delta configuration for running.

• It is commonly used for large induction motors to reduce the starting current and torque.

• The transition from star to delta configuration is typically controlled by a mot...read more
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Q2. How many contactor use in star delta??
Ans. 
In star delta connection, typically two contactors are used.
• In star delta connection, one contactor is used for star connection and another contactor is used for delta connection.

• The star contactor is typically rated for the current of one winding, while the delta contactor is rated for the full motor current.

• Using two contactors helps in reducing the starting current and torque in the motor.

• For example, a 3-phase moto...read more
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Q3. Draw the single line diagram for DOL.
Ans. 
Single line diagram for DOL is a simple representation of Direct-On-Line motor starter circuit.
• DOL starter consists of a contactor, overload relay, and start/stop push buttons.

• The single line diagram shows the connections between these components.

• The power supply is connected to the contactor, which is then connected to the motor.

• The overload relay is connected in series with the motor to protect it from overloading.

• St...read more
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Q1. Introduction your self
Ans. 
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
Ans. 
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
Ans. 
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. 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 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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Maths and basic puzzles