GHCL Limited Electrical Engineer Interview Questions and Answers

Q1. What Is GMAW ?
Ans. 
GMAW stands for Gas Metal Arc Welding, a welding process that uses a continuous solid wire electrode and shielding gas to create a weld.
• Uses a continuous solid wire electrode

• Requires a shielding gas to protect the weld from atmospheric contamination

• Commonly used in industries like automotive, construction, and manufacturing
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Q2. What are different between MIG & MAG ?
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MIG stands for Metal Inert Gas welding, while MAG stands for Metal Active Gas welding. The main difference lies in the type of shielding gas used.
• MIG welding uses inert gases like argon or helium to shield the weld pool from atmospheric contamination, while MAG welding uses active gases like carbon dioxide or a mixture of gases.

• MIG welding is typically used for non-ferrous metals like aluminum, while MAG welding is mor...read more
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Q3. What is WPS Procee ?
Ans. 
WPS Procee is a welding procedure specification that outlines the details of a specific welding process.
• WPS Procee includes information such as welding materials, welding parameters, preheat and post-weld heat treatment requirements.

• It is essential for ensuring consistency and quality in welding operations.

• WPS Procee is often required in industries such as construction, manufacturing, and oil & gas.

• Example: A WPS Proce...read more
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Q4. What is PQR Process ?
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PQR Process is a procedure used in welding to qualify the welding procedure specification.
• PQR stands for Procedure Qualification Record.

• It involves testing and documenting the variables used during the welding process.

• The purpose is to ensure that the welding procedure will produce the desired quality of welds.

• PQR Process is essential for ensuring the integrity and strength of welded joints.

• Examples of variables tested...read more
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Q1. Tell about yourself.
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Experienced Senior Engineer with a strong background in software development and project management.
• Over 10 years of experience in software engineering

• Proficient in multiple programming languages such as Java, Python, and C++

• Led successful projects from conception to completion, resulting in increased efficiency and cost savings

• Strong problem-solving skills and ability to work well in a team environment
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Q2. Why you want to switch your job .
Ans. 
Seeking new challenges and opportunities for growth.
• Looking for a new environment to learn and develop new skills.

• Interested in working on different projects to broaden my experience.

• Seeking a company with better career advancement opportunities.

• Want to explore new technologies and methodologies in the industry.
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Q1. For experienced candidates questions about previous company.
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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. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. What are your strengths and weaknesses?
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Q7. Tell me about yourself.
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Q1. Transformer related question
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Q2. Motor description
Ans. 
A motor is a device that converts electrical energy into mechanical energy to produce motion.
• Motors can be classified into different types such as AC motors and DC motors.

• Common examples of motors include induction motors, synchronous motors, and brushed DC motors.

• Motors are used in various applications such as industrial machinery, household appliances, and automotive systems.
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Q1. Salary and family background
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Q1. What is induction motor
Ans. 
An induction motor is a type of AC motor where power is supplied to the rotor by electromagnetic induction.
• Consists of a stator and a rotor

• Does not require any physical connection between the rotor and the stator

• Commonly used in industrial applications for driving pumps, fans, compressors, and conveyor systems
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Electrical engineering Moderate level questions.

Q1. How induction motor works
Ans. 
Induction motors work by inducing a current in the rotor through electromagnetic induction.
• Induction motors have a stator with coils that are connected to an AC power source.

• When the AC power is applied, it creates a rotating magnetic field in the stator.

• This rotating magnetic field induces a current in the rotor, causing it to rotate.

• The rotor does not have any electrical connections and relies on induction to generat...read more
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Q2. Types of Starter of
Ans. 
Types of starters used in electrical engineering for controlling the starting of motors.
• Direct On-Line (DOL) starter

• Star-Delta starter

• Auto-transformer starter

• Soft starter

• Variable frequency drive (VFD) starter
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Q1. Electrical and electrical component
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Q2. Induction motor and generator etc.
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Q3. MOSFET bgt, igbt etc.
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Q4. Dc motor and dc component etc
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Q1. Electrical and electrical component generator ac motor and dc motor, vfd, MOSFET, bjt, igbt,
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It is from the indiabix website

Q1. Introduction about ur self
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Q2. Resume based questions
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