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Transmission Corporation Of Andhrapradesh Interview Questions, Process, and Tips
Top Transmission Corporation Of Andhrapradesh Interview Questions and Answers
- Q1. Are you familiar with the different varieties of wires used in transmission?asked in Diploma Electrical Engineer interview
- Q2. What are the defferent b/w nutral wire and earth wireasked in Diploma Electrical Engineer interview
- Q3. Can you mention a few differences between a fuse and a breakerasked in Diploma Electrical Engineer interview
Transmission Corporation Of Andhrapradesh Interview Experiences
3 interviews found
Selected
I applied via Walk-in and was interviewed in Jun 2023. There were 3 interview rounds.
(3 Questions)
- Q1. Transformers winding
- Q2. Transformers in two windings primary and secondary
- Ans.
Transformers have two windings, primary and secondary, which are used to transfer electrical energy from one circuit to another.
Primary winding receives electrical energy from the source
Secondary winding transfers the electrical energy to the load
The ratio of turns in the primary and secondary windings determines the voltage transformation
Transformers can step up or step down voltage levels
Examples: power transformers,
- Q3. Transformers in oile use
- Ans.
Transformers in oil are used for insulation and cooling purposes.
Oil acts as an insulating medium to prevent electrical breakdown
Oil also helps in dissipating heat generated during operation
Commonly used oils include mineral oil, silicone oil, and vegetable oil
(3 Questions)
- Q1. Transformers me bakholj really ka kya hota h
- Q2. Transformers me bakholj really gas operated really h
- Q3. How to use transformer
- Ans.
Transformers are used to step up or step down voltage levels in electrical circuits.
Transformers consist of primary and secondary coils wound around a core
Step-up transformers increase voltage levels, while step-down transformers decrease voltage levels
Transformers work on the principle of electromagnetic induction
They are used in power distribution systems, electrical appliances, and electronic devices
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Skills evaluated in this interview
Top Transmission Corporation Of Andhrapradesh Diploma Electrical Engineer Interview Questions and Answers
Diploma Electrical Engineer Interview Questions asked at other Companies
Selected
I appeared for an interview in Jan 2023.
(7 Questions)
- Q1. What are the defferent b/w nutral wire and earth wire
- Ans.
The neutral wire carries current back to the source, while the earth wire provides a path for electrical faults to safely discharge.
Neutral wire carries current back to the source
Earth wire provides a path for electrical faults to safely discharge
Neutral wire is typically colored white or gray
Earth wire is typically colored green or green with yellow stripes
Neutral wire is connected to the grounding system at the main ...
- Q2. How many types are there in solar panel installation
- Ans.
There are mainly two types of solar panel installation: On-grid and Off-grid.
On-grid installation is connected to the main power grid and excess energy can be sold back to the utility company.
Off-grid installation is not connected to the main power grid and requires battery storage to store excess energy.
Other types include ground-mounted, roof-mounted, and pole-mounted installations.
Installation methods can also vary
- Q3. How to maintenance transformer
- Ans.
Transformer maintenance involves regular inspection, cleaning, and testing to ensure optimal performance and prevent breakdowns.
Inspect transformer for signs of damage or wear
Clean transformer components and cooling system
Test transformer insulation and oil quality
Replace worn or damaged parts as needed
Perform regular maintenance according to manufacturer guidelines
Keep records of maintenance and repairs for future ref
- Q4. What is use of busbar
- Ans.
Busbars are used to conduct large currents of electricity in a safe and efficient manner.
Busbars are made of copper or aluminum and are used to distribute power throughout a building or facility.
They are often used in switchgear and distribution panels to connect circuit breakers and other electrical equipment.
Busbars can handle high levels of current without overheating or melting, making them a reliable and safe choi...
- Q5. What types of maintenance equipment in transformer
- Ans.
Maintenance equipment for transformers include oil filtration systems, temperature sensors, and insulation testers.
Oil filtration systems to remove impurities and extend the life of transformer oil
Temperature sensors to monitor the temperature of the transformer and prevent overheating
Insulation testers to check the insulation resistance of the transformer
Dissolved gas analysis equipment to detect any faults in the tra...
- Q6. Can you mention a few differences between a fuse and a breaker
- Ans.
A fuse is a one-time use device that melts when overloaded while a breaker can be reset and reused.
A fuse needs to be replaced after it melts while a breaker can be reset
A fuse is cheaper than a breaker
A fuse reacts faster to overloads than a breaker
A breaker can handle higher current loads than a fuse
Examples of fuses include glass tube fuses and cartridge fuses while examples of breakers include thermal-magnetic and
- Q7. Are you familiar with the different varieties of wires used in transmission?
- Ans.
Yes, there are different types of wires used in transmission.
The most common types of wires used in transmission are copper, aluminum, and steel-cored aluminum.
Copper wires are the most efficient and expensive, while aluminum wires are less efficient but more affordable.
Steel-cored aluminum wires are used for long-distance transmission as they have high tensile strength.
Other types of wires used in transmission include...
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My name is Gangavarapu yogesh
Top Transmission Corporation Of Andhrapradesh Diploma Electrical Engineer Interview Questions and Answers
Diploma Electrical Engineer Interview Questions asked at other Companies
(2 Questions)
- Q1. Written test on Subject questions
- Q2. Writt
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Diploma Electrical Engineer Interview Questions & Answers
Tata Power
Anonymous
posted on 27 Jan 2021
I applied via Naukri.com and was interviewed in Dec 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. What is motor
- Ans.
A motor is a device that converts electrical energy into mechanical energy to produce motion.
Motors are commonly used in various applications such as electric vehicles, industrial machinery, and household appliances.
They work on the principle of electromagnetic induction, where a current-carrying conductor experiences a force in the presence of a magnetic field.
Motors can be categorized into different types such as DC ...
Interview Preparation Tips
Diploma Electrical Engineer Interview Questions & Answers
Adani Green Energy
Anonymous
posted on 10 Apr 2023
Selected
I applied via Campus Placement and was interviewed in Oct 2022. There were 5 interview rounds.
There firstly was conducted aptitude test in this test we got 25 techanical question, 10 general English language questions and 10 general aptitude questions.
(3 Questions)
- Q1. What is the use of star delta connection in electrical ?
- Ans.
Star delta connection is used to start high power motors with reduced starting current and torque.
Reduces starting current and torque
Used for high power motors
Improves motor efficiency
Reduces voltage drop during starting
Reduces stress on motor windings
Example: Starting a large induction motor in an industrial setting
- Q2. What Kinds of Cables Are Used for Power Transmissions?
- Ans.
Different types of cables are used for power transmission, including overhead lines, underground cables, and submarine cables.
Overhead lines are commonly used for power transmission over long distances.
Underground cables are used in urban areas where overhead lines are not feasible.
Submarine cables are used for power transmission between islands or across bodies of water.
Different types of cables, such as aluminum cabl...
- Q3. Mention what is the difference between generator and alternator ?
- Ans.
Generators and alternators are both electrical machines that convert mechanical energy into electrical energy, but they differ in their construction and working principles.
Generators produce direct current (DC) while alternators produce alternating current (AC).
Generators use a commutator and brushes to convert mechanical energy into electrical energy, while alternators use slip rings and brushes.
Generators are typical...
We got a topic for group discussion , " what is profit and loss to remove article 370 from kasmir " .
(2 Questions)
- Q1. What is your interest
- Ans.
My interest lies in the field of electrical engineering, specifically in designing and implementing innovative solutions.
Passionate about exploring new technologies and advancements in electrical engineering
Enjoys problem-solving and finding efficient solutions to complex electrical engineering challenges
Interested in designing and optimizing electrical systems for maximum efficiency and sustainability
Fascinated by the...
- Q2. Why we will select you for our company
- Ans.
I have a strong educational background and relevant experience in the electrical engineering field.
I have completed a diploma in electrical engineering, which has provided me with a solid foundation in the subject.
I have gained practical experience through internships and projects, where I have successfully applied my knowledge to solve electrical engineering problems.
I have a strong understanding of electrical systems...
Interview Preparation Tips
- Soft Skills
- Besic english
Diploma Electrical Engineer Interview Questions & Answers
Tata Power
Anonymous
posted on 12 Oct 2023
Selected
I applied via Walk-in and was interviewed in Sep 2023. There were 2 interview rounds.
(4 Questions)
- Q1. Any questions in MPPTCL
- Q2. Any questions in madhya Pradesh power transmission company limited
- Q3. Madhya Pradesh power transmission company limited
- Q4. Anything in substation
- Ans.
A substation is a part of an electrical generation, transmission, and distribution system that transforms voltage levels.
Substations are used to control and distribute electrical power.
They contain transformers to change voltage levels.
Substations may have circuit breakers to protect against faults.
They can be indoor or outdoor installations.
Substations play a crucial role in the power grid.
Examples of substations incl...
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Diploma Electrical Engineer Interview Questions & Answers
Tata Power
Anonymous
posted on 29 Mar 2024
(1 Question)
- Q1. What is vfd principal working and protection in moter
- Ans.
VFD stands for Variable Frequency Drive which controls the speed of an AC motor by varying the frequency and voltage of the power supplied to the motor.
VFD controls the speed of an AC motor by adjusting the frequency and voltage of the power supplied to the motor.
It helps in saving energy by matching the motor speed to the actual load requirements.
VFD provides protection to the motor by monitoring parameters like curre...
Diploma Electrical Engineer Interview Questions & Answers
Adani Group
Anonymous
posted on 31 Mar 2025
Selected
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. Electrical engineering
- Q2. Electrical motor
Diploma Electrical Engineer Interview Questions & Answers
Adani Power
Anonymous
posted on 16 Feb 2022
I applied via Company Website and was interviewed in Jan 2022. There were 2 interview rounds.
(1 Question)
- Q1. Tell me about yourself.
Interview Preparation Tips
Diploma Electrical Engineer Interview Questions & Answers
Adani Power
Anonymous
posted on 17 Jan 2023
Selected
I applied via Naukri.com and was interviewed in Dec 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Solar field and transformer and other solar
- Q2. Total solar field nollage
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