Casagrand Site Coordinator Interview Questions and Answers

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Q1. Density of steel, cement, concrete, sand, aggregates.
Ans. 
Density of common construction materials
• Steel: 7850 kg/m^3

• Cement: 1440 kg/m^3

• Concrete: 2400 kg/m^3

• Sand: 1600-1700 kg/m^3

• Aggregates: 1500-1750 kg/m^3
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Q2. How to find triangle concrete quantity.
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Triangle concrete quantity can be found using the formula: 1/2 * base * height * thickness.
• Calculate the area of the triangle using the formula: 1/2 * base * height.

• Multiply the area by the thickness to get the concrete quantity.

• For example, if the base of the triangle is 5 meters, height is 8 meters, and thickness is 0.2 meters, the concrete quantity would be: 1/2 * 5 * 8 * 0.2 = 4 cubic meters.
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Q3. How to find circular column concrete quantity.
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Circular column concrete quantity can be found using the formula: Volume = πr^2h
• Calculate the area of the circular column using the formula A = πr^2

• Measure the height of the column

• Multiply the area by the height to get the volume of concrete needed

• Consider any additional factors such as wastage or reinforcement bars
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Q4. As a site engineer what is your roles and responsibilities.
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Q5. What is slump test why we do.
Ans. 
Slump test is a method to measure the consistency of concrete before it sets.
• Slump test is used to determine the workability of fresh concrete.

• It involves filling a cone-shaped mold with concrete, then lifting the mold to see how much the concrete slumps or settles.

• The amount of slump indicates the consistency of the concrete - a higher slump means a more workable mix.

• Slump test helps in ensuring that the concrete mix ...read more
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Q6. Compressive strength of concrete after 14 & 28 days and also persentage of strength.
Ans. 
Compressive strength of concrete is typically measured after 14 and 28 days to assess its strength development.
• Compressive strength of concrete is usually measured in pounds per square inch (psi) or megapascals (MPa).

• After 14 days, the average compressive strength of concrete is around 60-75% of its ultimate strength.

• After 28 days, the concrete typically reaches about 90-95% of its ultimate strength.

• The percentage of s...read more
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Q7. Mix ratios of concrete
Ans. 
Mix ratios of concrete refer to the proportions of cement, sand, and aggregate used in a concrete mix.
• Mix ratios are typically expressed as a ratio of cement:sand:aggregate, such as 1:2:4.

• The mix ratio will vary depending on the strength and durability requirements of the concrete.

• Common mix ratios include 1:2:3 for low strength concrete and 1:1.5:3 for high strength concrete.

• Water is also added to the mix to achieve t
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Q8. Building IS Codes
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Q1. Family background, Expected salary, present salary, Notice period.
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Q2. Why you choose shoba.
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Q1. Full form of SBC?
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Q2. Soil bearing capacity
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Q1. Tell about yourself?
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Q2. Why to work with us?
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Q1. Under and over reinf of beam and column
Ans. 
Under and over reinforcement in beams and columns refers to the amount of reinforcement provided in relation to the required strength of the structure.
• Under reinforcement occurs when the amount of reinforcement provided is less than what is required for the structure to carry the design loads.

• Over reinforcement occurs when the amount of reinforcement provided is more than what is required for the structure, leading to ...read more
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Q2. Ndt tests of members of why it’s been done
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NDT tests of members are done to ensure structural integrity and safety.
• NDT tests are non-destructive tests used to evaluate the properties of a material, component, or system without causing damage.

• These tests help in detecting defects such as cracks, voids, and discontinuities that may compromise the structural integrity of the members.

• By conducting NDT tests, engineers can ensure the safety and reliability of struct...read more
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Q1. Salary negotiations
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Q2. Previous employment
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Q1. What is using this toilet room in waterproofing
Ans. 
Waterproofing in a toilet room is essential to prevent water damage and maintain structural integrity.
• Waterproofing materials such as membranes, sealants, and coatings are used to protect surfaces from water penetration.

• Proper installation of waterproofing systems is crucial to ensure long-term effectiveness.

• Regular maintenance and inspections are necessary to identify and address any issues with waterproofing.

• Examples...read more
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Q2. Why are out- let points through a core cutting work
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Q3. How much 1meter lenth how much kg
Ans. 
The weight of 1 meter length depends on the material being measured.
• The weight of 1 meter length can vary depending on the material, such as steel, aluminum, wood, etc.

• To calculate the weight, you need to know the density of the material.

• For example, the weight of 1 meter length of steel would be different from 1 meter length of wood.
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Q4. 1m^3 how many bricks
Ans. 
The number of bricks in 1m^3 depends on the size of the bricks being used.
• The number of bricks in 1m^3 will vary based on the size of the bricks.

• Calculate the volume of a single brick and then divide 1m^3 by that volume to get the number of bricks.

• For example, if a brick is 0.2m x 0.1m x 0.05m, its volume would be 0.001m^3. Therefore, 1m^3 would contain 1000 bricks.
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Q5. Why are applying for ventilation
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Q1. RCC work+bbm work test
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Q2. RCC work test cube molda+bbm work test line &level drawing megent room &other destance
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Q1. Hirice building concrete work Grid m 30 &again
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Q1. Construction related questions
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Q1. Salary discussion and other formalities
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Civil site related work objective test

Q1. Personal details with previous work related
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Q1. All site works and building construction and process related questions
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Q1. Final technical interview and salary discussion
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