Crompton Greaves Consumer Electricals Electronic Technician Interview Questions and Answers

Q1. What is different nutral wire and erting
Ans. 
The neutral wire and grounding serve different purposes in electrical systems.
• The neutral wire carries current back to the source in a balanced electrical circuit.

• Grounding provides a path for electrical faults to safely discharge into the ground.

• Neutral wire is typically connected to the center tap of a transformer, while grounding is connected to the earth.

• Neutral wire is part of the normal current-carrying circuit, ...read more
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Q2. How to calculate wire current capacity
Ans. 
Wire current capacity can be calculated using the wire gauge and the maximum current rating of the wire.
• Determine the wire gauge

• Refer to the maximum current rating chart for the wire gauge

• Consider the length of the wire and the ambient temperature

• Use the appropriate formula to calculate the current capacity
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Q3. Wich company gives electrical power in your area
Ans. 
The electrical power in my area is provided by XYZ Power Company.
• XYZ Power Company is the main provider of electrical power in my area.

• They have been providing reliable power supply for many years.

• Their customer service is also very responsive and helpful.

• Other smaller companies also provide power in some areas, but XYZ is the most prominent one.
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Q4. How to troubleshoot transformer
Ans. 
To troubleshoot a transformer, check for physical damage, measure voltage and current, and test insulation resistance.
• Inspect for any physical damage or loose connections

• Measure the voltage and current on both the primary and secondary sides

• Test the insulation resistance using a megohmmeter

• Check for any abnormal noises or overheating

• Verify that the transformer is properly grounded

• Compare the measured values with the ma
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Q5. One sentence about sefty
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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. 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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Basic Mathematics

Q1. Basic WAREHOUSING related questions
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Sims opration .customer,meeting issue solution

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Q1. Discussion to our targets
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Q2. Discussion to our payout
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Q3. More efficient work
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Q1. To find hardness materials in UTMBy applying loads
Ans. 
Hardness of materials can be found in UTM by applying loads.
• Universal Testing Machine (UTM) is used to measure the hardness of materials.

• The load is applied to the material and the depth of the indentation is measured.

• The hardness value is calculated using the load and the area of the indentation.

• Different types of tests can be performed to measure hardness, such as Brinell, Vickers, and Rockwell tests.
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Q1. What is calibration? What will you do if instrument is out of calibration?
Ans. 
Calibration is the process of adjusting and verifying the accuracy of an instrument or equipment.
• Calibration ensures that the instrument is providing accurate and reliable measurements.

• If an instrument is found to be out of calibration, it should be taken out of service immediately.

• The instrument should be sent to a qualified calibration laboratory for adjustment and recalibration.

• During the calibration process, the in...read more
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Q2. What do you know about electronics card and protection?
Ans. 
Electronics card protection refers to measures taken to safeguard electronic components from damage or malfunction.
• Electronics card protection involves protecting electronic components from environmental factors such as moisture, dust, and temperature fluctuations.

• This can be achieved through the use of protective coatings, enclosures, and proper ventilation.

• Protection can also involve measures to prevent damage from e...read more
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Q1. What will you do if you have to perform testing on site on pole?
Ans. 
If I have to perform testing on site on a pole, I will follow a systematic approach to ensure safety and accuracy.
• Assess the testing requirements and gather necessary equipment

• Ensure personal safety by wearing appropriate protective gear

• Climb the pole using proper climbing techniques and safety measures

• Perform the required testing procedures accurately

• Document the test results and any observations

• Report any issues or a...read more
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Q1. Why you want to change the job?
Ans. 
I am seeking new challenges and opportunities for growth in my career.
• Looking for a more challenging role

• Seeking opportunities for career advancement

• Want to broaden my skill set

• Desire to work in a different industry or company culture

• Need for better work-life balance

• Unsatisfied with current job environment or management
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Q2. What are your ambition with our company?
Ans. 
My ambition with your company is to grow and advance my career while contributing to the success of the organization.
• I am eager to take on more responsibilities and challenges as an Assistant Manager.

• I want to develop my leadership skills and become a valuable asset to the team.

• I am committed to achieving the company's goals and objectives.

• I aim to build strong relationships with colleagues and foster a positive work e...read more
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