L&T Construction Interview Questions, Process, and Tips

Q1. Basic questions in company
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Q2. All types engine are working
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Q3. How is maintenance repairing automobil engine
Ans. 
Maintenance repairs automobile engines by diagnosing issues, replacing faulty parts, and conducting regular maintenance checks.
• Diagnosing engine issues through visual inspection and diagnostic tools

• Replacing faulty parts such as spark plugs, filters, and belts

• Conducting regular maintenance checks to prevent future issues

• Testing the engine after repairs to ensure proper functioning
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Q4. Which types of problem face in work
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Q5. Resolved the problem face in company & workshop
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Q6. Which types of working company and dealer
Ans. 
Maintenance Supervisors typically work for manufacturing companies, property management companies, and equipment dealers.
• Manufacturing companies

• Property management companies

• Equipment dealers
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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
Ans. 
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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It contains basic logical reasoning questions

Q1. Round 2 is Technical interview where they ask very basic to medium level difficulty questions
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Nice. It's very good

2 questions based on DSA. THEN INTERVIEW

Q1. About forms in Devstudio
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Q2. About rating in majesco
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Q1. Related TBM Tunnelling
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Q2. How to work in metro city with EPB machine
Ans. 
To work in a metro city with an EPB machine, one must be familiar with its operation and maintenance.
• Understand the operation of the EPB machine and follow safety protocols

• Regularly maintain and inspect the EPB machine to ensure proper functioning

• Coordinate with other team members and stakeholders for efficient project execution

• Stay updated on the latest technology and advancements in EPB machines
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Q1. Discussion about qualification
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Q2. About salary and qualification
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