Ramky Group Electrical GET Interview Questions and Answers for Freshers

Q1. Questions from electrical engineering subjects
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Q1. Questions fron Electrical machine and Power System
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Q1. Why do you want to join this job?
Ans. 
I am passionate about electrical engineering and eager to apply my skills in a practical setting.
• Passionate about electrical engineering

• Eager to apply skills in a practical setting

• Excited about the opportunity to learn and grow in the field
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Aptitude was a little bit easy. Keep your foundation strong.

Q1. Why do you want to join our company?
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Q2. Are you ready to relocate anywhere?
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General topic group discussion - current affairs

Q1. Technical question related to electrical engineering
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Normal SubPar Questions

Q1. Explain working of Transformer
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers work on the principle of electromagnetic induction

• They have primary and secondary coils wound around a core

• Step-up transformers increase voltage while step-down transformers decrease voltage

• Efficiency of a transformer is determined by its core material and design
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Q2. Explain working of Synchronous Motor
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Synchronous motor is a type of AC motor where the rotation of the shaft is synchronized with the frequency of the supply current.
• Synchronous motor has a rotor with electromagnets and stator with field windings.

• The rotor rotates at the same speed as the rotating magnetic field produced by the stator.

• It requires DC excitation to create a magnetic field in the rotor.

• Used in applications where constant speed is required, s
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Q3. Explain method of Torque Variation of Squirrel Cage Motor.
Ans. 
Torque variation in squirrel cage motors is achieved by changing the rotor resistance.
• Torque in squirrel cage motors can be varied by changing the rotor resistance.

• Increasing the rotor resistance will increase the torque produced by the motor.

• Decreasing the rotor resistance will decrease the torque produced by the motor.

• This method is commonly used in applications where variable torque is required, such as in fans or p
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Q4. Multiple questions on Slip of Induction Motor
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Q5. Speed and Torque Variation Methods
Ans. 
Speed and torque variation methods are used in electrical systems to control the performance of motors.
• Speed variation methods include changing the frequency of the power supply or using variable speed drives.

• Torque variation methods involve adjusting the voltage or current supplied to the motor.

• Examples of speed variation methods include VFDs (Variable Frequency Drives) and soft starters.

• Examples of torque variation m...read more
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Q1. What is your favorite subject
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English and basic maths

Q1. Basics of electrical (which ever field you are from) working principle of machines, basic definition of resistance, is it good or bad ?
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Q2. Definitions of resistance, machines
Ans. 
Resistance is the opposition to the flow of electric current, while machines are devices that convert energy from one form to another.
• Resistance is measured in ohms and is caused by the material and dimensions of a conductor.

• Machines include motors, generators, transformers, and other devices that use electrical energy to perform work.

• Resistance can be calculated using Ohm's Law: R = V/I, where R is resistance, V is vo
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Q3. Working principle of machines
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Machines operate based on various principles such as electromagnetic, mechanical, thermal, and chemical principles.
• Machines convert one form of energy into another to perform work

• Electromagnetic machines use the principles of electricity and magnetism, like motors and generators

• Mechanical machines use moving parts to transfer and transform energy, like engines and gears

• Thermal machines use heat to generate power, like ...read more
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Q4. Challenges in electrical industry
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Challenges in electrical industry include rapid technological advancements, safety concerns, and skilled labor shortage.
• Rapid technological advancements leading to constant need for upskilling and training

• Safety concerns related to electrical hazards and compliance with regulations

• Skilled labor shortage impacting project timelines and quality of work

• Integration of renewable energy sources and smart grid technologies
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Q1. About you, impromptu on any topic for 2 mins
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Hard but medium not very easy but not so hard

Q1. M15 ratio? In construction
Ans. 
M15 ratio is the mix ratio of cement, sand, and aggregate in construction.
• M15 ratio is commonly used in construction for preparing concrete.

• It refers to the mix ratio of 1:2:4, which means 1 part cement, 2 parts sand, and 4 parts aggregate.

• This ratio is suitable for general construction purposes where high strength is not required.
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Q2. Initial setting time of rhc?
Ans. 
Initial setting time of rhc is the time taken for the cement paste to lose its plasticity and become rigid.
• Initial setting time is typically around 30 minutes for ordinary Portland cement.

• It is influenced by factors such as temperature, water-cement ratio, and type of cement used.

• Testing for initial setting time is done using the Vicat apparatus.
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Q1. Why should we hire you?
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Q2. Why you want this job?
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General aptitude as well as subject related question

Q1. Favourite subject questions
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