Hemasri Construction Junior Engineer Civil Interview Questions and Answers

Q1. Minimum Dia of circular column
Ans. 
The minimum diameter of a circular column depends on various factors such as load, height, and material.
• The minimum diameter of a circular column is determined by the maximum load it needs to support.

• The height of the column also influences the minimum diameter as taller columns require larger diameters for stability.

• The material used for construction affects the minimum diameter as different materials have different s...read more
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Q2. How many test of concrete
Ans. 
There are several tests conducted on concrete to ensure its quality and strength.
• Some common tests for concrete include compressive strength test, slump test, and water absorption test.

• Compressive strength test measures the maximum load a concrete sample can bear before failure.

• Slump test measures the consistency and workability of fresh concrete.

• Water absorption test determines the amount of water absorbed by concrete...read more
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Q1. Tell me about yourself.
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Q1. What is the base in civil foundation
Ans. 
The base in civil foundation refers to the lowest part of the foundation that supports the structure above it.
• The base is the part of the foundation that is in direct contact with the soil or rock below.

• It is designed to distribute the weight of the structure evenly and prevent settling or shifting.

• The size and shape of the base depend on the type of soil and the weight of the structure.

• Examples of types of bases inclu...read more
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Q1. Slump cone top diameter ?
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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
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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
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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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It is very difficult test to pass

Q1. Technical interview of concrete
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Q1. What is hydration process during casting of concrete?
Ans. 
Hydration process is the chemical reaction between cement and water which results in the hardening of concrete.
• Hydration process starts as soon as water is added to cement.

• The reaction produces heat and causes the mixture to harden and gain strength.

• The process continues for weeks and even months, resulting in a stronger and more durable concrete.

• The amount of water used in the mixture affects the hydration process and...read more
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Q2. Concrete strength depend ?
Ans. 
Concrete strength depends on various factors.
• Water-cement ratio

• Type and quality of cement

• Aggregate size and shape

• Curing conditions

• Mix design

• Age of concrete

• Temperature and humidity

• Presence of admixtures
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Q3. Why used send in concrete mixer
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Water is added to concrete mixer to make the mixture more workable and to achieve the desired consistency.
• Water is added to hydrate the cement and activate the chemical reaction that causes it to harden

• The amount of water added affects the strength and durability of the concrete

• Too much water can weaken the concrete and cause cracking

• The water should be added gradually and mixed thoroughly to ensure even distribution

• Ot...read more
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