PD Agrawal Infrastructure Junior Engineer Civil Interview Questions and Answers

Q1. Minium diameter of bar used in column
Ans. 
Minimum diameter of bar used in column is determined by structural requirements and load calculations.
• Minimum diameter is typically specified in the structural design drawings or calculations

• Factors such as column height, load capacity, and seismic considerations influence the minimum bar diameter

• Common minimum diameters for column bars range from 12mm to 25mm depending on the structural requirements
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Q2. Minium grade of concrete used in column
Ans. 
Minimum grade of concrete used in column is typically M20.
• Minimum grade of concrete used in column is usually M20

• Higher grades like M25, M30, M35, etc. can also be used for columns based on structural requirements

• The grade of concrete is determined based on the strength required for the structure
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Q3. Minium thickness of slab
Ans. 
Minimum thickness of slab is determined based on factors like load, span, and material used.
• Minimum thickness of slab is typically determined by structural engineers based on the expected loads and span of the slab.

• Factors such as the material used for the slab and any additional reinforcement also play a role in determining the minimum thickness.

• For example, a residential slab may have a minimum thickness of 4 inches,...read more
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Q4. What is water cement ratio
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Water cement ratio is the ratio of the weight of water to the weight of cement used in a concrete mix.
• Water cement ratio is a crucial factor in determining the strength and durability of concrete.

• A lower water cement ratio results in stronger and more durable concrete.

• The ideal water cement ratio varies depending on the type of concrete mix and its intended use.

• For example, a typical water cement ratio for general purp
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Q5. Density of steel
Ans. 
The density of steel is approximately 7.85 g/cm^3.
• The density of steel is commonly expressed in grams per cubic centimeter (g/cm^3).

• The density of steel can vary slightly depending on the specific alloy and composition.

• For example, the density of stainless steel is around 7.9 g/cm^3, while carbon steel is around 7.85 g/cm^3.
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What is the colume
The vertical part of the building and base of the slab, distribution of load

Q1. What is the footing
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Q2. The base of the building
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Q1. Where do the crack develop in the beam
Ans. 
Cracks in beams typically develop at locations of high stress concentrations or due to external factors like corrosion.
• Cracks can develop at the supports of the beam where the bending moment is highest.

• Cracks can also form at locations where there are changes in cross-section or material properties.

• External factors like corrosion can lead to cracks in beams over time.

• Cracks may also develop at locations where there are...read more
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Q2. Different types of slab concrete testing
Ans. 
Different types of slab concrete testing include slump test, air content test, compressive strength test, and flexural strength test.
• Slump test measures the consistency and workability of concrete.

• Air content test determines the amount of air trapped in the concrete mixture.

• Compressive strength test assesses the ability of concrete to withstand loads.

• Flexural strength test evaluates the bending strength of concrete.
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Q1. What's the relation concrete grade with development lenth
Ans. 
Concrete grade directly affects the development length of reinforcement bars in a structure.
• Higher concrete grades typically require longer development lengths for reinforcement bars to achieve the desired bond strength.

• Lower concrete grades may allow for shorter development lengths, but may compromise the overall strength and durability of the structure.

• Development length is influenced by factors such as bar diameter,...read more
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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. Site planning , binding work ,
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Q2. Drawing work auto CAD
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Q3. Billing engineer, work s
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Q4. Salary Client al
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Q1. I am fresher and 3 month job in Maharashtra civil site engineer engineer on duty and I am a final year student
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Q1. Concrete material
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Q2. Type of material
Ans. 
Civil engineers work with a variety of materials including concrete, steel, asphalt, and wood.
• Common materials used in civil engineering include concrete, steel, asphalt, wood, and aggregates.

• Concrete is used for foundations, roads, and structures.

• Steel is used for beams, columns, and reinforcement.

• Asphalt is used for roads and pavements.

• Wood is used for formwork, bridges, and buildings.

• Aggregates are used in concrete
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Q3. Material distribution
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Q4. Normal material
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Q1. Reinforced is code
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Q2. Aggregate is code
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Q3. Opc cement isi code
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Q4. Mix design code
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Q5. Soil compaction isi code
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