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Mahalaxmi TMT Interview Questions, Process, and Tips
Top Mahalaxmi TMT Interview Questions and Answers
- Q1. How many types of transformer according to voltage transferasked in Electrical Engineer interview
- Q2. What is the working principle of transformerasked in Electrical Engineer interview
- Q3. What is different between neutral and earthasked in Electrical Engineer interview
Mahalaxmi TMT Interview Experiences
2 interviews found
Interview Questionnaire
10 Questions
- Q1. What is induction motor
- Ans.
An induction motor is an AC electric motor in which power is supplied to the rotor by electromagnetic induction.
Induction motors are widely used in various applications, including industrial machinery, household appliances, and transportation systems.
They work based on the principle of electromagnetic induction, where a rotating magnetic field is created by the stator winding, inducing current in the rotor.
The rotor of...
- Q2. Why stator use for induction motor
- Ans.
The stator is used in an induction motor to generate a rotating magnetic field.
The stator consists of a set of windings that are connected to an AC power source.
When the AC power is applied, the stator windings create a rotating magnetic field.
This rotating magnetic field induces currents in the rotor, which in turn creates a torque and causes the rotor to rotate.
The stator windings are typically made of copper or alum...
- Q3. What is the working principle of transformer
- Ans.
Transformers work on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
Transformers consist of two or more coils of wire called windings.
When an alternating current (AC) flows through the primary winding, it creates a changing magnetic field.
This changing magnetic field induces a voltage in the secondary winding, which is connected to the load.
The ratio of the number ...
- Q4. How many types of transformer according to voltage transfer
- Ans.
There are two types of transformers according to voltage transfer: step-up transformers and step-down transformers.
Step-up transformers increase the voltage from the primary winding to the secondary winding.
Step-down transformers decrease the voltage from the primary winding to the secondary winding.
Step-up transformers are used in power transmission to increase voltage for long-distance transmission.
Step-down transfor...
- Q5. What is relay
- Ans.
A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.
Relays are commonly used in electrical systems to control high power circuits with low power signals.
They consist of a coil, an armature, and one or more sets of contacts.
When the coil is energized, the armature is attracted and the contacts are closed or opened, depending on the relay type.
Relays can be u...
- Q6. What is contactor
- Ans.
A contactor is an electrical device used for switching an electrical circuit on or off.
Contactor is used to control the flow of electricity in a circuit.
It consists of a coil, contacts, and an enclosure.
When the coil is energized, the contacts close and allow current to flow.
Contactor is commonly used in motor control applications.
Examples of contactor include magnetic contactor and air conditioning contactor.
- Q7. What is different b/w mpcb & mcb
- Ans.
MPCB and MCB are both circuit protection devices, but they differ in terms of their applications and trip characteristics.
MCB stands for Miniature Circuit Breaker, while MPCB stands for Motor Protection Circuit Breaker.
MCBs are primarily used for residential and commercial applications, while MPCBs are specifically designed for motor protection in industrial settings.
MCBs have a fixed trip current rating and are typica...
- Q8. What is elcb
- Ans.
ELCB stands for Earth Leakage Circuit Breaker. It is a safety device used to protect electrical circuits from electric shock.
ELCB is designed to detect small leakage currents that may occur due to insulation failure or faulty wiring.
When an ELCB detects a leakage current, it quickly cuts off the power supply to prevent electric shock.
ELCBs are commonly used in homes, offices, and industries to ensure electrical safety.
...
- Q9. How many types of earthing
- Ans.
There are several types of earthing used in electrical engineering.
The most common types of earthing are:
- TN-S system: separate neutral and protective earth
- TN-C system: combined neutral and protective earth
- TN-C-S system: combination of TN-S and TN-C systems
- TT system: separate earth for each electrical installation
- IT system: no direct connection to earth, relies on insulation monitoring
Other types include:
- TN-...
- Q10. What is different between neutral and earth
- Ans.
Neutral is a current-carrying conductor that completes an electrical circuit, while earth is a safety grounding conductor.
Neutral carries current back to the source in a balanced electrical system.
Earth is a safety measure to prevent electric shock and protect against electrical faults.
Neutral is typically connected to the center tap of a transformer, while earth is connected to the ground.
Neutral is part of the electr...
Skills evaluated in this interview
Top Mahalaxmi TMT Electrical Engineer Interview Questions and Answers
Electrical Engineer Interview Questions asked at other Companies
I applied via Recruitment Consulltant and was interviewed in Oct 2021. There was 1 interview round.
(2 Questions)
- Q1. Full farm of pvc tape
- Ans.
A full farm of PVC tape refers to a large quantity of PVC tape.
A full farm of PVC tape can be used for electrical insulation purposes.
It can also be used for bundling wires together.
PVC tape is commonly used in the electrical industry for various applications.
- Q2. About electrical engineering
Interview Preparation Tips
- Electricals
So i am not happy😢
Junior Electrician Interview Questions asked at other Companies
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Electrical Technician Interview Questions & Answers
L&T Construction
Anonymous
posted on 25 Jan 2025
Selected
I was interviewed in Dec 2024.
(4 Questions)
- Q1. The Electrical technician job description entails participating in independent maintenance related training activities organized by the field operations teams and coordinating shutdowns to ensure that ...
- Q2. Commercial and Industrial Electrical Maintenance is the process of regularly inspecting, testing, cleaning, and repairing electrical systems and components to ensure they are safe and functioning Prope...
- Q3. The technician’s role also includes participating in planning, ensuring effective spare parts management, and supervising continuous project improvement.
- Q4. Electrical technicians perform various functions, depending on the particular operations of the company or organization they work with. However, their role is majorly to ensure effective repairs and mainte...
Interview Preparation Tips
Power suppliers
Electrical troubleshooting
PLC Electrical control panel
Selected
I applied via Referral and was interviewed in Dec 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What do you know about sales?
- Q2. What is your hobbies, experience and education qualification.
(3 Questions)
- Q1. How much experience do you have?
- Q2. Why did you leave your job?
- Q3. Why did you leave that job?
Interview Preparation Tips
- About sales
- Gold
- Diamond
Mechanical Graduate Engineer Trainee Interview Questions & Answers
Thermax Limited
classic 350
posted on 19 Dec 2024
I applied via Campus Placement and was interviewed in Nov 2024. There were 3 interview rounds.
The hardest round I have experienced during interviews was ultimately successful, as I was selected. Only a few questions were multiple-choice; the rest required one-word or numerical answers to be written manually. Pay special attention to the last portion, as it was a scoring section containing standard technical questions. However, as we begin the assessment, the majority of the time is consumed by reasoning, arithmetic, and similar topics. In summary, I can say that the initial part is the toughest.
(2 Questions)
- Q1. The interview consisted of questions related to thermodynamics, including the Rankine cycle, the laws of thermodynamics, and knowledge about boilers and boiler safety. Additionally, most questions focused ...
- Q2. Whilcox and babcoc boiler
(2 Questions)
- Q1. Asking about women empowerment
- Q2. Friendly interview , if you crack technical then you will be 90% chances of selecting. Don't lag in english communication. You will be rejected if you don't have clear communication
Interview Preparation Tips
Selected
(5 Questions)
- Q1. HTML, CSS fundamentals
- Q2. Javascript event loop and array methods
- Q3. Javascript coding for operation on object array
- Q4. React benefits and Redux implementations
- Q5. How to create slice and combine reducers
(2 Questions)
- Q1. Questions based on projects, role, responsibilities and initiative at work place
- Q2. How to create and optimize a react application
(1 Question)
- Q1. Day to day activity of workplace and salary negotiation
I applied via Monster and was interviewed in Dec 2024. There were 4 interview rounds.
(4 Questions)
- Q1. Self introduction
- Ans.
My self ruksar born and bought up in Bangalore
- Q2. Self introduction
- Ans.
Myself Rukhsar born and water in Bangalore
- Q3. Personal details
- Ans.
I have completed my degree
- Q4. Personal details
- Ans.
I have completed my PU
(3 Questions)
- Q1. Education family background
- Ans.
My mother name Sajida she house wife' My father name sarvar his atou driver and I hv Inder brother
- Q2. Education family background
- Ans.
My father name sir sarvar pasha he is auto driver my mother name Sajida she is housewife I have one brother
- Q3. Personal information
(2 Questions)
- Q1. Story reading and writing
- Q2. Graping information
(2 Questions)
- Q1. Code Speed type
- Ans.
Code Speed type question
Understand the requirements of the code speed type
Analyze the code and identify any errors or inefficiencies
Optimize the code for faster execution
Test the code to ensure it meets the speed requirements
- Q2. Having good attitude
Interview Preparation Tips
Selected
I applied via Job Portal and was interviewed in Dec 2024. There were 4 interview rounds.
(2 Questions)
- Q1. What is your current cost to company (CTC)?
- Q2. 6.2 lac only Pa
(2 Questions)
- Q1. What is your name
- Q2. What is your experience
(2 Questions)
- Q1. Previous company details
- Q2. Sales knowledge
Interview Preparation Tips
Priyanka Patil
(4 Questions)
- Q1. What is polymorphism,generator,decorator? List vs tuple?
- Ans.
Polymorphism allows objects of different classes to be treated as objects of a common superclass. Generators produce items one at a time. Decorators add functionality to existing functions or methods.
Polymorphism: Enables objects of different classes to be treated as objects of a common superclass. Example: Animal superclass with Dog and Cat subclasses.
Generator: Produces items one at a time, allowing for efficient mem...
- Q2. TFIDF, BOW What is embedding why important how to craete embeddings?
- Ans.
Embeddings are a way to represent words or phrases as vectors in a high-dimensional space, capturing semantic relationships.
Embeddings are important for tasks like natural language processing, where words need to be represented in a meaningful way.
They can be created using techniques like Word2Vec, GloVe, or using neural networks like Word Embeddings.
Embeddings help in capturing semantic relationships between words, al...
- Q3. What is Encoder decoder explain with example?
- Ans.
Encoder-decoder is a neural network architecture used for tasks like machine translation.
Encoder processes input data and generates a fixed-length representation
Decoder uses the representation to generate output sequence
Example: Seq2Seq model for translating English to French
- Q4. What is stop word? We need to remove in every application or not tell me example when stop words are importan?
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There were 2 interview rounds.
(3 Questions)
- Q1. What is the DAX formula for calculating a running total?
- Q2. What is the DAX formula for replacing blank values with zero and vice versa?
- Q3. SQL Queries for the above scenarios
(2 Questions)
- Q1. What are your previous work experiences?
- Q2. Salary negotiations etc.
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Senior Engineer
5
salaries
|  ₹3 L/yr - ₹4.2 L/yr |
|
Electrical Engineer
5
salaries
| ₹2.4 L/yr - ₹3.6 L/yr |
|
Mechanical Engineer
5
salaries
| ₹3 L/yr - ₹3.6 L/yr |
|
Site Engineer
5
salaries
| ₹1.8 L/yr - ₹2.8 L/yr |
|
Assistant General Manager
5
salaries
| ₹9.5 L/yr - ₹12.6 L/yr |
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