Katerra Junior Architect Interview Questions and Answers

Q1. What is the minimum time of concrete getting strength
Ans. 
The minimum time for concrete to gain strength is typically 28 days.
• Concrete typically gains strength over time, with significant strength achieved after 28 days.

• Factors such as mix design, curing conditions, and environmental factors can affect the rate of strength gain.

• Testing is often done at various intervals to monitor the strength development of concrete.

• Early strength concrete mixes are available for projects re
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Q1. Multiple questions in the civil execution.
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Q2. Process the construction work like :- shuttering, steel, concrete and finishing work.
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Q3. Knowledge of BBS
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Q4. Knowledge of mivan shuttering
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Q5. Knowledge of water proofing work
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Q1. Previous experience in detail
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Q1. QC procedures and experiences as Quality control inspector
Ans. 
I have extensive experience in implementing QC procedures and conducting inspections as a Quality Control Inspector.
• Developing and implementing QC procedures to ensure product quality

• Conducting inspections and tests to identify defects or non-conformities

• Documenting findings and reporting on quality issues

• Collaborating with production teams to address quality concerns

• Continuous improvement of QC processes based on feed
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Q2. Verified documents for previous submission and approval
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Q1. Personal Details
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Q2. Name Residence Qualification hobbies experience etc
Ans. 
Residence: New York, Qualification: Bachelor's degree in Civil Engineering, Hobbies: Reading, Experience: 5 years in planning and scheduling
• Residence: New York

• Qualification: Bachelor's degree in Civil Engineering

• Hobbies: Reading

• Experience: 5 years in planning and scheduling
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Q1. In M20 what does M stands for
Ans. 
M stands for 'Mix' in M20.
• M20 is a designation for a concrete mix with a compressive strength of 20 megapascals (MPa).

• The 'M' in M20 represents the word 'Mix', indicating that it is a mix of cement, sand, and aggregate.

• The number following 'M' in M20 denotes the compressive strength of the concrete mix.

• Different grades of concrete have different compressive strength requirements, and the 'M' designation helps in identi
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Q2. M stands for Mix and 20 is compressive strength after 28 days
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Q3. Why do we need curing for concrete
Ans. 
Curing is necessary for concrete to ensure proper hydration and strength development.
• Curing prevents moisture loss from the concrete, allowing it to maintain its desired water-cement ratio.

• It helps in reducing shrinkage and cracking by providing a controlled environment for the concrete to cure.

• Curing promotes the formation of calcium silicate hydrate (CSH) gel, which contributes to the strength and durability of concr...read more
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Q4. After casting...concrete loss it's moisture content in order to maintain moisture content we give water to concrete to gain early strength and also resist creep formation
Ans. 
Water is added to concrete after casting to maintain moisture content and achieve early strength and resist creep formation.
• Adding water to concrete after casting helps to prevent excessive moisture loss.

• Maintaining moisture content in concrete is important for proper hydration of cement particles.

• Watering concrete can also help in reducing shrinkage and cracking.

• By providing moisture, the concrete gains strength faste...read more
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Q5. Steps involved in concreting
Ans. 
The steps involved in concreting include site preparation, formwork, reinforcement, mixing, pouring, leveling, finishing, and curing.
• Site preparation involves clearing the area and ensuring proper drainage.

• Formwork is constructed to shape and support the concrete.

• Reinforcement is placed to provide strength to the concrete structure.

• Concrete ingredients are mixed in the correct proportions.

• The mixed concrete is poured i...read more
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Q6. 1.Batching 2.Mixing 3.Transportation 4.Placing 5.Compaction & Finishing
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Q7. Allowable Height for Free fall for concrete
Ans. 
The allowable height for free fall for concrete depends on several factors.
• The allowable height for free fall for concrete is typically specified by the project specifications or industry standards.

• The height is influenced by factors such as the type of concrete mix, slump value, and the presence of reinforcing steel.

• For example, for normal weight concrete with a slump of 3 to 4 inches and no reinforcing steel, the all...read more
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Q8. 1.5m in order to avoid segregation and bleeding
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Q9. Difference between segregation and bleeding
Ans. 
Segregation is the separation of coarse and fine particles in concrete mix, while bleeding is the upward movement of water in fresh concrete.
• Segregation occurs when the coarse aggregates settle down due to gravity, resulting in a non-uniform distribution of particles in the mix.

• Bleeding happens when excess water in the concrete mix rises to the surface, leaving behind a layer of water on top.

• Segregation can lead to a d...read more
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Q10. In bleeding water comes out from concrete and in segregation aggregate separates from concrete
Ans. 
Bleeding and segregation are common issues in concrete construction.
• Bleeding occurs when excess water in the concrete mixture rises to the surface, leaving behind a layer of water.

• Segregation happens when the coarse aggregates separate from the rest of the concrete mixture.

• Both bleeding and segregation can negatively impact the strength and durability of the concrete.

• Proper mix design, adequate compaction, and appropri...read more
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Q11. Do you know about latence
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Q12. Yes sir....when water comes out from concrete along with a cement it makes a layer on the top of the concrete that layer we call latence....
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Q1. What is concrete temperature
Ans. 
Concrete temperature refers to the temperature of freshly mixed concrete before it sets.
• Concrete temperature affects the setting time and strength development of concrete.

• It is important to monitor and control the temperature of concrete during mixing, transportation, and placement.

• The ideal temperature range for concrete is typically between 50-75 degrees Fahrenheit.

• Extreme temperatures can lead to issues such as ther...read more
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Q1. Data management, SIV, goods movement
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Q2. What is SAP, definitely their uses.
Ans. 
SAP is a software company that provides enterprise resource planning (ERP) solutions for businesses.
• SAP stands for Systems, Applications, and Products in Data Processing.

• It offers a range of software solutions for various business functions such as finance, human resources, supply chain management, and customer relationship management.

• SAP ERP helps businesses streamline their operations, improve efficiency, and make da...read more
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Q3. Parchasing Order, Material Booking
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SAP and Store Management, Material Planing

Q1. 1. Basics of your previous company's project. 2. Questions regarding MSP & Primavera. 3. Sequencing of construction activities. 4. Brief knowledge of Crictical Path method. 5. Basics of Civil Engineering. ...read more
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