Gannon Dunkerley & Co. B Tech Civil Engineer Interview Questions and Answers

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. What is your current workplace?
Ans. 
I am currently working at a construction company specializing in infrastructure projects.
• Specializing in infrastructure projects

• Working at a construction company

• Dealing with civil engineering tasks
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Q2. What is your experience in this field?
Ans. 
I have 5 years of experience working on various civil engineering projects, including site development, infrastructure design, and construction management.
• Managed site development projects from concept to completion

• Designed infrastructure systems such as water supply and drainage

• Performed construction management duties to ensure projects stayed on schedule and within budget

• Worked on projects ranging from residential de...read more
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Q3. How do you handle a site in the transmission sector?
Ans. 
Handling a site in the transmission sector involves coordinating with various stakeholders, ensuring compliance with regulations, and overseeing the construction process.
• Coordinate with utility companies to ensure proper installation of transmission lines

• Ensure compliance with safety regulations and environmental standards

• Oversee the construction process to ensure quality and timely completion

• Manage and resolve any iss...read more
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Q4. What are the key considerations for the foundation in transmission line construction?
Ans. 
Key considerations for foundation in transmission line construction
• Soil type and bearing capacity must be assessed

• Proper foundation design to support the weight and wind loads of the transmission line towers

• Consideration of environmental factors such as seismic activity and flooding

• Accessibility for construction equipment and maintenance

• Proper drainage to prevent erosion and foundation instability
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Q5. What is the best method for erection in transmission?
Ans. 
The best method for erection in transmission is using cranes and specialized equipment.
• Use cranes for lifting and placing heavy transmission components

• Ensure proper planning and coordination to avoid delays

• Utilize specialized equipment for precise positioning

• Follow safety protocols to prevent accidents

• Consider environmental factors such as wind and terrain
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Q6. How do you adapt to various challenging situations?
Ans. 
I adapt to challenging situations by staying calm, analyzing the problem, seeking advice from colleagues, and coming up with creative solutions.
• Stay calm and composed under pressure

• Analyze the problem thoroughly before taking action

• Seek advice and input from colleagues or experts

• Think creatively to come up with innovative solutions
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Q7. What is the role of the diagonal in the transmission sector?
Ans. 
The diagonal in the transmission sector plays a crucial role in providing structural stability and support to the transmission towers.
• The diagonal members in transmission towers help to distribute the load and provide stability against wind and seismic forces.

• They prevent the tower from buckling or collapsing under various loads.

• Diagonals also help in reducing the overall weight of the tower by transferring some of the...read more
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