L&T Construction Post Graduate Engineer Trainee [pget] Interview Questions and Answers

Q1. BBS of Stirups,
Ans. 
BBS of Stirrups is a reinforcement detailing technique used in construction.
• BBS stands for Bar Bending Schedule.

• Stirrups are used to provide lateral support to vertical reinforcement bars in concrete structures.

• BBS of Stirrups involves determining the quantity, shape, and dimensions of stirrups required in a structure.

• It helps in ensuring the structural integrity and strength of the concrete elements.

• Example: BBS of St...read more
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Q2. Conscrete strength in 7 days and 28 days
Ans. 
Concrete strength increases significantly from 7 days to 28 days.
• Concrete strength is measured in terms of compressive strength.

• At 7 days, concrete typically reaches about 70-80% of its 28-day strength.

• Factors like cement type, water-cement ratio, curing conditions, and aggregate properties affect the strength development.

• Higher strength concrete is often required for structural applications.

• Testing concrete strength a...read more
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Q3. Clear covers used in all items
Ans. 
Clear covers are used in all items.
• Clear covers provide visibility and protection to the items.

• They are commonly used in electronic devices, such as smartphones and tablets.

• Clear covers are also used in food packaging to showcase the product.

• In the automotive industry, clear covers are used for headlights and taillights.

• They can be made of materials like glass, plastic, or acrylic.
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Q4. Development length in compression member
Ans. 
Development length in compression member is the length of reinforcement required to transfer the stress from the steel to the concrete.
• Development length is determined by factors such as the strength of the concrete, the diameter of the reinforcement, and the bond strength between the steel and concrete.

• It is important to ensure that the development length is sufficient to prevent premature failure or slippage of the r...read more
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Q5. Find cutting length oc a rectangular stirrups , numerical
Ans. 
The cutting length of a rectangular stirrup is calculated based on the dimensions of the stirrup and the bending requirements.
• The cutting length is determined by adding the lengths of all sides of the stirrup and multiplying by the number of bends.

• For example, if the stirrup has sides measuring 10 cm, 15 cm, and 10 cm, and it requires 2 bends, the cutting length would be (10 + 15 + 10) * 2 = 70 cm.

• The cutting length is...read more
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Q1. Basic, salary discussion nothing else
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Q1. About yourself?
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One civil topic given to talk

Q1. Draw BMD & SFD of a Simply Supported Beam shown to my screen. Draw it & show that on screen.
Ans. 
The candidate is asked to draw the BMD & SFD of a Simply Supported Beam shown on the screen.
• Identify the support conditions of the beam (simply supported in this case)

• Determine the loads acting on the beam and their positions

• Calculate the reactions at the supports

• Draw the Bending Moment Diagram (BMD) and Shear Force Diagram (SFD) based on the calculated values

• Label the diagrams with appropriate values and units
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Q2. What are the values of Compressive & Tensile Shear Stress on a Singly Reinforced Beam in LSM method?
Ans. 
Compressive shear stress is zero while tensile shear stress is equal to the shear force divided by the cross-sectional area of the beam.
• Compressive shear stress is zero in a singly reinforced beam according to the Limit State Method (LSM).

• Tensile shear stress is calculated by dividing the shear force by the cross-sectional area of the beam.

• For example, if the shear force acting on the beam is 10 kN and the cross-sectio...read more
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Q3. Some other civil engineering questions.
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Q4. Introduce Yourself. This is 1st Question.
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Very Easy general aptitude questions are asked in a MCQ pattern

Q1. Should we continue concreting of foundation the next day, if there is one day of continuous rainfall?
Ans. 
No, it is not advisable to continue concreting of foundation the next day after one day of continuous rainfall.
• Continuous rainfall can saturate the soil, making it unstable for concreting.

• Rainwater can mix with the concrete, affecting its strength and durability.

• The presence of water can lead to the formation of voids and cracks in the foundation.

• It is important to ensure that the foundation is dry and stable before pr...read more
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Q1. Are you open to work over pan India?
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