RDC Concrete (India) Senior Technical Officer Interview Questions and Answers for Experienced

Reasoning and aptitude

Q1. Design Mix of concrete
Ans. 
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...read more
Answered by AI
Add your answer

Q1. Concrete related questions
Add your answer

Q1. Concrete related questions
Add your answer

Q1. What is the procedure to perform Rebound Hammer Test?
Ans. 
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...read more
Answered by AI
Add your answer
Q2. What are the next procedure when cubes does not attain strength as per is code?
Ans. 
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...read more
Answered by AI
Add your answer
Q3. Reason to leave ex company
Add your answer
Q4. Why you have choosen RDC Concrete?
Ans. 
I chose RDC Concrete for its commitment to quality, innovation, and sustainability in the construction industry.
• RDC Concrete has a strong reputation for delivering high-quality concrete products, ensuring durability and reliability in construction projects.

• The company invests in innovative technologies, such as automated mixing processes, which enhance efficiency and consistency.

• RDC Concrete prioritizes sustainability ...read more
Answered by AI
Add your answer

Easy questions from percentage,profit loss and Reasoning

Q1. Give a brief Introduction of yourself.
Ans. 
Experienced Senior Technical Officer with a strong background in project management and technical support in various industries.
• Over 10 years of experience in technical roles, focusing on system optimization and troubleshooting.

• Led a team of engineers in a project that improved system efficiency by 30%, resulting in significant cost savings.

• Skilled in cross-functional collaboration, having worked with IT, engineering, ...read more
Answered by AI
Add your answer
Q2. Topic of research in M.tech
Ans. 
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...read more
Answered by AI
Add your answer
Q3. How do you measure heat of hydration
Ans. 
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...read more
Answered by AI
Add your answer
Q4. Usage of mineral admixture
Ans. 
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...read more
Answered by AI
Add your answer

Q1. Normal discussion related to salary hike.
Add your answer

Q1. Tell me about Concrete raw material and it's testings.
Ans. 
Concrete raw materials include cement, aggregates, water, and admixtures, each requiring specific tests for quality assurance.
• Cement: Types include Ordinary Portland Cement (OPC) and Portland Pozzolana Cement (PPC). Tests include fineness, consistency, and strength.

• Aggregates: Coarse aggregates (gravel, crushed stone) and fine aggregates (sand). Tests include grading, moisture content, and specific gravity.

• Water: Shoul...read more
Answered by AI
Add your answer
Q2. What you take precautions during concrete production, supply and casting.
Ans. 
Precautions in concrete production, supply, and casting ensure quality, durability, and safety in construction projects.
• Use quality materials: Ensure cement, aggregates, and water meet specified standards to prevent structural issues.

• Control water-cement ratio: Maintain the correct ratio to achieve desired strength and workability; too much water can weaken concrete.

• Monitor temperature: Avoid casting in extreme tempera...read more
Answered by AI
Add your answer

Q1. What are your salary expectations?
Add your answer
Q2. What is your family background?
Add your answer
Q3. Share details of your previous job.
Add your answer
Q4. Why are you looking for a change?
Ans. 
I'm seeking new challenges to grow my skills and contribute to innovative projects in a dynamic environment.
• Desire for professional growth: I'm eager to take on more responsibilities and lead projects that align with my expertise.

• Interest in new technologies: I'm excited about the opportunity to work with cutting-edge tools and methodologies that can enhance my skill set.

• Cultural fit: I'm looking for an organization th...read more
Answered by AI
Add your answer
Q5. Tell me about yourself.
Add your answer