Schneider Electric Interview Questions, Process, and Tips

Q1. What is ETL, and can you provide examples from your project to illustrate its application?
Ans. 
ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a target database.
• Extract: Retrieving data from different sources such as databases, APIs, or files.

• Transform: Cleaning, filtering, and structuring the extracted data to fit the target database schema.

• Load: Loading the transformed data into the target database for a...read more
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Q2. How do you handle multithreading in Python?
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Multithreading in Python can be handled using the threading module.
• Use the threading module to create and manage threads in Python.

• Avoid using the multiprocessing module for multithreading as it is more suitable for parallel processing.

• Ensure proper synchronization and locking mechanisms to prevent race conditions.

• Consider using thread pools for managing multiple threads efficiently.

• Example: import threading # Define ...read more
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A detailed discussion of the project from architecture to its implementation.

Q1. What is your notice period, what salary do you expect, and why are you seeking a job change?
Ans. 
I have a 1-month notice period, expecting market rate salary, seeking growth opportunities.
• Notice period is 1 month

• Expecting market rate salary

• Seeking growth opportunities in new role
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Q1. What is Power factor
Ans. 
Power factor measures the efficiency of electrical power usage, indicating how effectively electrical energy is converted into useful work.
• Power factor (PF) is defined as the ratio of real power (kW) to apparent power (kVA).

• A power factor of 1 (or 100%) indicates all the power is being effectively converted into work.

• Low power factor can lead to increased energy costs and reduced system capacity.

• Example: A motor with a...read more
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Q2. Explain the principles of transformer testing
Ans. 
Transformer testing ensures reliability and performance through various assessments of electrical and mechanical properties.
• Insulation Resistance Testing: Measures the insulation quality to prevent electrical leakage.

• Turns Ratio Testing: Compares the primary and secondary winding voltages to ensure correct transformation.

• Power Factor Testing: Assesses the dielectric losses in the insulation system.

• Temperature Rise Test...read more
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Q1. Experience in years
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Q2. Salary expected in
Ans. 
I expect a competitive salary based on my skills, experience, and industry standards for a Test Engineer role.
• Research industry standards: For example, Glassdoor or Payscale can provide insights into average salaries for Test Engineers.

• Consider my experience level: If I have 5 years of experience, I might expect a higher salary than someone just starting.

• Location matters: Salaries can vary significantly based on the co...read more
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Q1. What is the VFD
Ans. 
VFD stands for Variable Frequency Drive, used to control the speed of an AC motor by varying the frequency and voltage supplied to the motor.
• VFDs are commonly used in industrial applications to control pumps, fans, and other motor-driven equipment.

• They can improve energy efficiency by adjusting motor speed to match the required load.

• VFDs can also provide better control over motor acceleration and deceleration, reducing...read more
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Q2. What is the role of an Online Learning Resource (OLR)?
Ans. 
OLRs provide access to educational materials and resources online for self-paced learning.
• Provide access to a wide range of educational materials and resources

• Allow for self-paced learning and flexibility in studying

• Can include videos, interactive quizzes, readings, and other multimedia content

• Enable learners to access information anytime, anywhere with an internet connection

• Can be used for professional development or
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Q1. What is the rccb
Ans. 
RCCB stands for Residual Current Circuit Breaker, a device designed to quickly disconnect power in the event of a leakage current.
• RCCB is a safety device used to protect against electric shock and fire hazards.

• It detects any imbalance in the electrical current flowing through the circuit.

• When a leakage current is detected, the RCCB trips and disconnects the power supply.

• RCCBs are commonly used in residential, commercia...read more
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Q2. Which place use star delta connection
Ans. 
Star delta connection is commonly used in high-power industrial applications to reduce starting current.
• High-power industrial applications

• Motors with high starting current

• Applications where smooth starting is required
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Gamified aptitude test

Q1. Resume', projects, background, college studies
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Q2. What are analog and digital sensors?
Ans. 
Analog sensors measure continuous physical quantities, while digital sensors measure discrete values.
• Analog sensors provide a continuous output signal proportional to the quantity being measured.

• Digital sensors provide discrete output signals, typically in the form of binary values (0 or 1).

• Examples of analog sensors include temperature sensors, pressure sensors, and light sensors.

• Examples of digital sensors include pr...read more
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Q3. Difference bwteen the two
Ans. 
The difference between the two is the level of automation and complexity involved in the processes.
• Process automation involves automating repetitive tasks and workflows to increase efficiency.

• Automation engineering focuses on designing, developing, and implementing automated systems for various industries.

• Process automation can be as simple as setting up email notifications for certain events, while automation engineer...read more
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Q4. How does a sensor work?
Ans. 
A sensor works by detecting changes in physical properties such as temperature, pressure, light, or motion and converting them into electrical signals.
• Sensors detect changes in physical properties and convert them into electrical signals.

• Common types of sensors include temperature sensors, pressure sensors, light sensors, and motion sensors.

• Sensors can be based on various principles such as resistive, capacitive, induc...read more
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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
Ans. 
Circuit breakers are devices that automatically stop the flow of electricity when a fault is detected, while relays are switches that open or close circuits based on electrical signals.
• Circuit breakers are designed to protect electrical circuits from damage caused by overcurrent or short circuits.

• They work by detecting abnormal current flow and quickly interrupting the circuit to prevent damage.

• Relays are electromechan...read more
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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?
Ans. 
A Buchholz relay is a protective device used in oil-filled transformers to detect and prevent internal faults.
• Detects faults such as insulation breakdown or arcing within the transformer

• Consists of a float switch connected to an alarm or trip circuit

• When gas or oil accumulates due to a fault, the float rises and triggers the alarm or trip signal

• Helps prevent major damage to the transformer by isolating it from the powe
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Q5. Principle of Induction motor and what is mutual inductance
Ans. 
Induction motor operates on the principle of electromagnetic induction. Mutual inductance is the measure of the coupling between two coils.
• Induction motor works on the principle of electromagnetic induction where a rotating magnetic field is produced to induce current in the rotor, causing it to rotate.

• Mutual inductance is the measure of the coupling between two coils, indicating how much of the magnetic field produced...read more
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Q1. Will you rather questions (based on likert scale)
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Q1. How will you nurture leads at different parts of the Sales Funnel
Ans. 
Nurturing leads at different parts of the Sales Funnel involves personalized communication and targeted content.
• Segment leads based on their position in the funnel (awareness, consideration, decision)

• Provide relevant content and information to educate and engage leads

• Use email marketing, social media, and personalized outreach to stay in touch with leads

• Track lead interactions and adjust strategies based on their behav...read more
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Q2. Why so Services have 7 Ps and Product 4 Ps?
Ans. 
Services have 7 Ps to account for additional elements like people, process, and physical evidence, while products focus more on tangible aspects.
• Services are intangible and require additional elements like people, process, and physical evidence to be considered in marketing strategies.

• Products are tangible and typically focus on the core elements of product, price, place, and promotion.

• The additional 3 Ps for services ...read more
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Q1. Strengths and weaknesses
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Q2. Why Schneider? Why sales?
Ans. 
Schneider offers a dynamic environment for growth and development, and sales allows me to utilize my communication and negotiation skills.
• Schneider provides opportunities for career advancement and personal growth.

• Sales allows me to interact with customers, understand their needs, and provide solutions.

• I enjoy the challenge of meeting sales targets and negotiating deals.

• I have strong communication and interpersonal ski...read more
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Q3. What sets you apart?
Ans. 
My strong communication skills, ability to build relationships, and passion for exceeding sales targets set me apart.
• Strong communication skills - able to effectively convey information and build rapport with clients

• Relationship building - skilled at developing and maintaining long-lasting connections with customers

• Passion for exceeding sales targets - motivated to consistently achieve and surpass set goals
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Q1. How does chiller operate
Ans. 
A chiller operates by removing heat from a liquid through a refrigeration cycle and then transferring that heat to the air outside.
• Chiller absorbs heat from a liquid coolant, typically water or a mixture of water and glycol.

• The absorbed heat is transferred to the refrigerant in the evaporator, causing it to evaporate and absorb more heat.

• The refrigerant is then compressed, raising its temperature and pressure, before b...read more
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Q2. What is the protocol used in bMS and what is the buadrate
Ans. 
BMS uses BACnet protocol and the baud rate can vary depending on the system.
• BMS typically uses the BACnet protocol for communication

• The baud rate in BMS systems can vary depending on the specific system and requirements

• Common baud rates for BMS systems include 9600, 19200, and 38400
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Q3. Difference between PLC and DDC
Ans. 
PLC is a programmable logic controller used for industrial automation, while DDC is a direct digital control system used for building automation.
• PLC is typically used in industrial settings to control machinery and processes.

• DDC is commonly used in building automation systems to control HVAC, lighting, and other building systems.

• PLC programming is usually ladder logic or function block diagram, while DDC programming is...read more
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