Larsen & Toubro Limited Interview Questions, Process, and Tips

Q1. Introduce yourself?
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I am a dedicated and experienced Planning Engineer with a strong background in project management and construction.
• Experienced in creating project schedules and timelines

• Skilled in resource allocation and cost estimation

• Proficient in using project management software such as Primavera P6

• Strong communication and problem-solving skills

• Bachelor's degree in Civil Engineering from XYZ University
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Q2. What subjects do you like and circuit diagram of transformer?
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I like subjects related to electrical engineering and the circuit diagram of a transformer.
• Subjects I like include electrical circuits, power systems, and electromagnetism.

• I enjoy studying the components and operation of transformers.

• Understanding transformer connections and configurations is important in electrical engineering.

• Analyzing circuit diagrams helps in troubleshooting and designing electrical systems.
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GD of general topic with 20 member in each group

Q1. Explain DTA accounting standard
Ans. 
DTA accounting standard refers to Deferred Tax Assets, which are future tax benefits that a company can use to reduce its tax liability.
• DTA is recognized when a company has overpaid taxes or has tax credits that can be used in the future.

• It is recorded on the balance sheet as an asset.

• DTA can arise from temporary differences between accounting income and taxable income.

• Companies need to assess the likelihood of realizi...read more
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Q1. Draw a SLD of a Substation
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A Single Line Diagram (SLD) of a Substation shows how electrical power is distributed within the substation.
• Include main components like transformers, circuit breakers, disconnect switches, etc.

• Show the flow of electricity from the incoming transmission lines to the outgoing distribution lines.

• Label all components and indicate their ratings and connections.

• Use standard symbols and conventions for clarity.

• Consider safet
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Q2. About PT and CT
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Q1. Draw a room lighting fixture
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A room lighting fixture with a modern design and energy-efficient LED bulbs.
• Consider the size and shape of the room when designing the fixture

• Choose energy-efficient lighting options such as LED bulbs

• Incorporate modern design elements for a sleek look
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Q2. Draw it's connection
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The question is asking the candidate to draw a connection diagram for a specific electrical system.
• Start by identifying all the components of the electrical system

• Draw a clear and organized diagram showing how each component is connected

• Label each connection and component for clarity

• Ensure the diagram follows standard electrical symbols and conventions

• Double-check the diagram for accuracy and completeness
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Q1. Costing for transmission line
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Costing for transmission line involves calculating the total expenses for materials, labor, equipment, and overhead costs.
• Calculate the total length of the transmission line needed

• Estimate the cost of materials such as cables, poles, insulators, and connectors

• Factor in labor costs for installation and maintenance

• Include equipment costs for specialized tools and machinery

• Consider overhead costs such as permits, land acq...read more
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Q2. Execution of transmission line
Ans. 
Execution of transmission line involves planning, design, construction, and maintenance of power lines.
• Planning involves route selection, environmental impact assessment, and obtaining necessary permits.

• Design includes determining the type of towers, conductor size, and insulator selection.

• Construction involves clearing the right-of-way, setting foundations, erecting towers, and stringing conductors.

• Maintenance include...read more
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Q1. How many type of structures
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There are various types of structures, including buildings, bridges, dams, and tunnels.
• Buildings - residential, commercial, industrial

• Bridges - beam, arch, suspension

• Dams - gravity, arch, buttress

• Tunnels - cut-and-cover, bored, immersed tube
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Q2. What is the nominal concrete proportion for diffrent grade?
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The nominal concrete proportion varies for different grades, typically ranging from 1:1.5:3 for M5 grade to 1:0.5:1 for M60 grade.
• M5 grade concrete typically has a proportion of 1:1.5:3 (cement:sand:aggregate)

• M20 grade concrete typically has a proportion of 1:1.5:3.5

• M40 grade concrete typically has a proportion of 1:0.5:1
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Q3. What are the concrete tests?
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Concrete tests are conducted to ensure the quality and strength of concrete used in construction projects.
• Compression test to determine the compressive strength of concrete

• Slump test to measure the workability of concrete

• Density test to check the density of concrete

• Water permeability test to assess the permeability of concrete

• Rebound hammer test to evaluate the surface hardness of concrete
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Q4. What is bleeding in concrete?
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Bleeding in concrete is the upward movement of water in a freshly placed concrete mix due to the settlement of solid particles.
• Bleeding occurs when water in the mix rises to the surface of the concrete.

• It is more common in high workability mixes with a high water-cement ratio.

• Bleeding can lead to segregation of the mix if not properly managed.

• To reduce bleeding, proper mix design and consolidation techniques should be ...read more
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Q5. Whate is rainforced cement concrete?
Ans. 
Reinforced cement concrete is a composite material made of cement, water, aggregates, and steel reinforcement bars.
• It is a combination of concrete and steel bars to enhance the strength and durability of the structure.

• The steel bars are placed in the concrete in such a way that they work together to resist tensile forces.

• Reinforced cement concrete is commonly used in construction of buildings, bridges, dams, and other ...read more
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Q1. Residential Building project regarding questions as per practical
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Q1. Salary negotiation
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