Al Bawani Co. B Tech Civil Engineer Interview Questions and Answers

Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is:
173 m
200 m
273 m
300 m

Q1. Who is in my house? Am I willing to go out of West Bengal if I get a job out of West Bengal?
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Q1. Which lime is used for white washing
Ans. 
Quicklime is used for white washing.
• Quicklime, also known as calcium oxide, is used for white washing.

• It is a white, caustic, alkaline substance that is produced by heating limestone in a kiln.

• When water is added to quicklime, it undergoes a chemical reaction to form calcium hydroxide, which is used in white washing.
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Very basic level aptitude test and civil engineering subjects test.

Q1. Draw bending moment diagram of a fixed beam subjected to udl throughout the whole length.
Ans. 
Bending moment diagram of a fixed beam subjected to udl throughout the whole length.
• Calculate the reactions at the supports of the beam

• Determine the equation for bending moment at any point along the beam

• Plot the bending moment diagram with positive and negative values

• The bending moment will be maximum at the supports and zero at the midpoint of the beam
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Q2. Draw bending moment diagram of a 1-bay, 1-storey portal frame subjected to point load at the middle point of the column.
Ans. 
Bending moment diagram of a 1-bay, 1-storey portal frame with point load at column middle.
• Calculate reactions at supports

• Determine internal forces at critical points

• Plot bending moment diagram using equations or software

• Identify maximum bending moment and its location
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Q3. What is 'M' in M-20 concrete?
Ans. 
M stands for mix design in M-20 concrete, indicating the compressive strength of the concrete mix.
• M-20 concrete is a mix design where 'M' represents the compressive strength of the concrete after 28 days of curing.

• The number '20' in M-20 concrete indicates the characteristic compressive strength of concrete in N/mm^2.

• Different grades of concrete have different compressive strength requirements, with M-20 being a common
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Q4. Which code is req for mix design?
Ans. 
IS 10262 is required for mix design in civil engineering.
• IS 10262 is the code for concrete mix design in India.

• It provides guidelines for proportioning of concrete ingredients based on strength and durability requirements.

• The code covers various aspects such as water-cement ratio, workability, and compressive strength.

• Mix design is crucial for ensuring the desired properties and performance of concrete.

• Following the co...read more
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Q5. What is the process of earthquake design of a multi storey building?
Ans. 
Earthquake design of a multi storey building involves analyzing seismic forces, selecting appropriate structural systems, and implementing design measures to ensure safety.
• Analyze seismic forces based on the building location and seismic zone

• Select appropriate structural systems such as reinforced concrete or steel frames

• Implement design measures like base isolation, dampers, and shear walls to enhance building's seism
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Q6. Process of design of one-way and two-way slab and their differences
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Design process of one-way and two-way slabs and their differences
• One-way slab design involves calculating bending moments and shear forces along one direction, typically supported on two opposite sides. Two-way slab design considers bending moments and shear forces in both directions, usually supported on all four sides.

• One-way slab design is simpler and more common in practice, while two-way slab design is more comple...read more
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Q7. Difference between dynamic and equivalent static method of earthquake design and analysis of multi storey building
Ans. 
Dynamic method considers time history of earthquake while equivalent static method simplifies earthquake forces into equivalent static forces.
• Dynamic method analyzes building response to actual time history of earthquake ground motion.

• Equivalent static method simplifies earthquake forces into equivalent static forces based on simplified assumptions.

• Dynamic method is more accurate but computationally intensive, while eq...read more
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Q1. Building construction
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Q1. Structure finishing work
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Q1. Slump cone top diameter ?
Ans. 
The top diameter of a slump cone is typically 4 inches.
• The top diameter of a slump cone is usually 4 inches.

• The slump cone is used to measure the consistency of fresh concrete.

• The top diameter of the slump cone affects the flow of the concrete mix.

• A larger top diameter will result in a higher slump value.
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Q2. Full from of TMT ?
Ans. 
Thermo-Mechanically Treated
• TMT stands for Thermo-Mechanically Treated

• TMT bars are commonly used in construction for reinforcement

• The process involves heating the steel bars and then rapidly cooling them to increase their strength
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Q1. How to find grades of concrete which is already mixed
Ans. 
Grades of concrete in a mixed batch can be estimated by performing a slump test and conducting compressive strength tests on samples.
• Perform a slump test to determine the workability of the concrete mix.

• Take samples from the mixed batch and cast test specimens for compressive strength testing.

• Conduct compressive strength tests on the specimens to determine the grade of concrete.

• Compare the test results with the standar
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Q2. What are the site and laboratory test on bricks and cement
Ans. 
Site and laboratory tests on bricks and cement are essential for ensuring quality and durability of construction materials.
• Site tests for bricks include visual inspection, water absorption test, compressive strength test, and efflorescence test.

• Laboratory tests for bricks involve water absorption test, compressive strength test, efflorescence test, and soundness test.

• Site tests for cement include checking the color, sm...read more
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Q3. Plastering work calculation for different size of wall
Ans. 
Plastering work calculation involves determining the surface area of the wall and the thickness of the plaster.
• Calculate the surface area of the wall by multiplying the height and length of each wall segment.

• Determine the total surface area to be plastered by adding up the surface areas of all wall segments.

• Multiply the total surface area by the desired thickness of the plaster to get the volume of plaster needed.

• Consi...read more
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Q1. Asked about previous work
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Q2. What was the last project
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Q1. Construction answer
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Q2. Correct Answer
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Q3. Rcc work, shuttering, Excavation
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Q4. Safety work, Quality work
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Q5. Labour Mobilizacttion
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