L&T Construction Electrical GET Interview Questions, Process, and Tips

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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MCQs type written test

120 eligible freshers were distributed in groups of 8 each for GDs with all getting seperate topics.

Q1. Questions on Electricity Distribution Systems in general.
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Q2. Question regarding my final year project
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90 question 90 min comprising of Logical and domain and communication

Q1. Core questions from Electrical subjects
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Q2. Ohm's law limitations
Ans. 
Ohm's law is limited to linear, passive circuits with constant temperature and material properties.
• Ohm's law only applies to linear circuits where voltage is directly proportional to current.

• It assumes constant temperature and material properties, which may not always be the case.

• Non-linear components like diodes and transistors do not follow Ohm's law.

• Ohm's law does not account for reactive components like capacitors ...read more
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Q1. About family and general questions
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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?
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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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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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