L&T Energy Hydrocarbon Junior Engineer Trainee Interview Questions and Answers

Question and answer regarding basics of engineering

Q1. What are the steps in the construction of building?
Ans. 
The steps in the construction of a building involve planning, designing, obtaining permits, site preparation, foundation construction, framing, roofing, finishing, and landscaping.
• Planning: Determine the purpose, size, and layout of the building.

• Designing: Create blueprints and architectural drawings.

• Obtaining permits: Obtain necessary approvals from local authorities.

• Site preparation: Clear the land and level the site...read more
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Q1. Are you ready to relocate?
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Q1. How many years of experience do you have?
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Q2. What type of work are you doing in your previous company/job.
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Q1. Railway Electrification works (OHE) , question
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Q2. Civil question, Electrical question .
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Q1. 1) different between diafraam wall and retaining wall
Ans. 
Diaphragm walls are used to create a barrier while retaining walls are used to hold back soil.
• Diaphragm walls are underground walls that are used to create a barrier to prevent water from entering a construction site.

• Retaining walls are used to hold back soil and prevent it from sliding or eroding.

• Diaphragm walls are typically made of reinforced concrete and are used in deep excavations.

• Retaining walls can be made of v...read more
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Q2. Which type of material used for shuttering
Ans. 
Plywood, steel, aluminum, and plastic are commonly used materials for shuttering.
• Plywood is the most commonly used material for shuttering due to its durability and affordability.

• Steel is used for heavy-duty construction projects as it can withstand high pressure and weight.

• Aluminum is lightweight and easy to handle, making it ideal for small-scale projects.

• Plastic is a cost-effective option for simple construction pro...read more
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Q3. Calculate the bbs of 4 by 3m footing, d = 300mm , dia of steel = 12mm
Ans. 
Calculate the bbs of a 4x3m footing with d=300mm and 12mm dia steel.
• Calculate the total length of steel required

• Determine the spacing between the bars

• Prepare a detailed bar bending schedule
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Q4. Hot to calculate the quantity of concrete for trapezoidal footing
Ans. 
To calculate the quantity of concrete for trapezoidal footing, we need to use the formula for volume of a trapezoidal prism.
• Measure the length, width, and height of the trapezoidal footing

• Calculate the area of the trapezoidal base using the formula (a+b)/2 * h

• Calculate the volume of the trapezoidal prism using the formula area of base * height

• Multiply the volume by the number of trapezoidal footings needed

• Add an additi
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About any road ways and types of bridges and classification of is codes for building construction

About any road ways and classification of turnouts.

Q1. What kind of reinforcement using pre cost drains
Ans. 
Pre cost drains are used for reinforcement in junior manager roles.
• Pre cost drains are a type of reinforcement used in management.

• They are used to reduce costs and improve efficiency.

• Examples of pre cost drains include implementing cost-saving measures, streamlining processes, and optimizing resource allocation.
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Q1. Share your previous company details like qualification experience & sallery slip..
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Q2. How much salary would you expect to take?
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Q1. Which thikness of shutting plywood used ?
Ans. 
The thickness of shutting plywood used varies depending on the specific application and requirements.
• The thickness of shutting plywood can range from 1/4 inch to 3/4 inch.

• Thinner plywood, such as 1/4 inch, is commonly used for cabinet backs or drawer bottoms.

• Thicker plywood, such as 3/4 inch, is often used for structural applications like subfloors or roofing.

• The choice of plywood thickness depends on factors like load...read more
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Q2. Binding wire used in construction Which gauge used?
Ans. 
Binding wire gauge used in construction depends on the type of construction work and the size of the reinforcement bars.
• Binding wire is used to tie the reinforcement bars together in construction.

• The gauge of the binding wire used depends on the size of the reinforcement bars and the type of construction work.

• For example, for heavy-duty construction work, thicker gauge binding wire is used.

• The most commonly used gauges...read more
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Q1. Finally selection I should be selected on the salary I wanted
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