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RDC Concrete (India)
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I applied via Campus Placement and was interviewed before Sep 2022. There were 4 interview rounds.
A written test has been conducted by RDC In which they put questions from aptitude, reasoning, English grammar, general awareness and technical questions.
They make two group of 5 people and give a topic on which both groups have to put there points.
Mix design for M25 concrete involves selecting suitable ingredients and proportions to achieve desired strength and durability.
Determine the target strength of concrete (M25 in this case)
Select suitable materials like cement, aggregates, and water
Calculate the proportions of each material based on mix design principles
Perform trial mixes and tests to ensure desired properties are achieved
The code used for mix design is ASTM C192. The yield of concrete is the volume of concrete produced from a mixture of cement, water, and aggregates. There are different types of cement such as Portland cement, slag cement, and fly ash cement. Various tests for cement include compressive strength test, fineness test, and soundness test. Admixtures are added to concrete to improve its properties. Types of admixtures incl...
Grading of aggregates is used for aggregate testing and specifications.
Grading of aggregates is a method used to determine the particle size distribution of aggregates.
It involves separating aggregates into different size fractions using sieves.
The results of the grading test help in determining the quality and suitability of aggregates for various construction applications.
The minimum slump required for pumping concrete to the 2nd floor is typically around 4 inches.
Minimum slump of around 4 inches is usually required for pumping concrete to higher floors
Higher slumps may be needed for longer pumping distances or to ensure proper flow and consolidation
Consult with concrete supplier or pumping contractor for specific requirements
I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
I am a dedicated HSE Officer with a strong background in ensuring workplace safety and compliance with regulations.
Experienced in conducting risk assessments and implementing safety procedures
Skilled in investigating incidents and developing corrective actions
Proficient in training employees on safety protocols and emergency procedures
RMC Plant stands for Ready Mix Concrete Plant, which is a centralized plant where concrete is mixed and delivered to construction sites.
RMC Plant is a specialized plant where concrete is produced in large quantities and delivered to construction sites.
It helps in ensuring consistent quality of concrete as it is produced in controlled conditions.
RMC Plants use computerized control systems to ensure accurate mixing of in...
I applied via Campus Placement
Easy to clear the questions
Selected based on the communication skill and the way we deliver our opinion
I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.
RDC Concrete (India) interview questions for popular designations
Concrete is a composite material made of cement, water, aggregates, and sometimes additives, used in construction for its strength and durability.
Concrete is made by mixing cement, water, and aggregates like sand and gravel.
It hardens over time through a chemical process called hydration.
Concrete is used in construction for building foundations, roads, bridges, and more.
Different types of concrete can be used based on ...
PCC stands for Plain Cement Concrete and is made of cement, sand, and aggregate. RCC stands for Reinforced Cement Concrete and has steel reinforcement added to increase strength.
PCC is used for non-structural works like levelling, bedding for footing, etc.
RCC is used for structural works like beams, columns, slabs, etc.
RCC has higher strength and durability compared to PCC.
PCC does not have any reinforcement, while RCC...
Contours are imaginary lines that connect points of equal elevation on a map or surface.
Contours are used in topographic maps to show the shape and elevation of the land.
They help visualize the terrain and identify features such as hills, valleys, and slopes.
Closer contour lines indicate steeper slopes, while widely spaced lines represent flatter areas.
Contour lines never cross each other and form closed loops around h...
Reinforcement in civil engineering refers to the process of adding steel bars or mesh to concrete structures to increase their strength and durability.
Reinforcement helps to resist tensile forces in concrete structures.
Common types of reinforcement include rebar (steel bars) and wire mesh.
Reinforcement is placed strategically within the concrete forms before pouring the concrete.
Properly placed reinforcement helps prev...
Get interview-ready with Top RDC Concrete (India) Interview Questions
I applied via Referral and was interviewed in Jul 2023. There were 4 interview rounds.
Reasoning and aptitude
Design mix of concrete refers to the process of selecting suitable ingredients and determining their proportions to produce concrete with desired properties.
Design mix involves selecting the type and quality of materials such as cement, aggregates, and water.
Proportions of each material are determined based on the desired strength, workability, and durability of the concrete.
Factors like environmental conditions, const...
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
Core as well as basics
Where a person could learn more being at home or away from home
Rebound Hammer Test is a non-destructive test to determine the compressive strength of concrete.
Calibrate the rebound hammer before use
Clean the surface of the concrete to be tested
Hold the rebound hammer perpendicular to the surface and press the plunger to release the hammer
Record the rebound value and repeat the test at least twice on each location
Calculate the average rebound value and use a conversion chart to det...
If cubes do not attain strength as per IS code, next procedures include identifying the cause, taking corrective measures, and retesting.
Identify the cause of low strength, such as improper mixing, curing, or testing procedures.
Take corrective measures, such as adjusting the mix proportions, improving curing conditions, or retesting with proper procedures.
Retest the cubes to ensure they meet the required strength as pe...
Easy questions from percentage,profit loss and Reasoning
My research topic in M.tech was on the development of machine learning algorithms for predictive maintenance in industrial systems.
Developed machine learning models to predict equipment failures in industrial systems
Used data from sensors and other sources to train the models
Implemented the models in real-world scenarios to demonstrate their effectiveness
Explored different algorithms and techniques to improve the accur
Heat of hydration can be measured using calorimetry.
Calorimetry involves measuring the heat released or absorbed during a chemical reaction.
The heat of hydration can be calculated by subtracting the heat released by the reaction of the anhydrous compound with water from the heat released by the reaction of the hydrated compound with water.
For example, the heat of hydration of calcium chloride can be measured by reactin...
Mineral admixtures are used in concrete to improve its properties.
Mineral admixtures are added to concrete to enhance its strength, durability, and workability.
They can also reduce the amount of cement needed in concrete mixtures.
Examples of mineral admixtures include fly ash, silica fume, and ground granulated blast furnace slag.
Fly ash is a byproduct of coal combustion and is commonly used as a mineral admixture in c...
I applied via Walk-in and was interviewed in Dec 2022. There were 5 interview rounds.
Total of 25 questions and duration of 30 minutes will be given to us. Topics are verbal, decision makings questions, quant , surface area and Volume.
People are who cleared first round will be called for second round GD and here they will give 10 minutes time for each team. each team consist of 10 to 14 people. topics could be general or situational in the field.
I applied via Campus Placement and was interviewed in Dec 2022. There were 4 interview rounds.
Simple basic questions
General topics mainly they consider the communication skills as well as relevance of the topic.
I would remain calm, listen to their concerns, empathize with their situation, and work towards finding a solution together.
Remain calm and composed
Listen actively to understand their concerns
Empathize with their situation
Work towards finding a mutually beneficial solution
Offer alternatives or solutions to address their issues
Maintain professionalism and respect throughout the interaction
General Civil Questions were asked....get thorough with IS Codes
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Some of the top questions asked at the RDC Concrete (India) interview -
The duration of RDC Concrete (India) interview process can vary, but typically it takes about less than 2 weeks to complete.
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