Nalco Site Supervisor Interview Questions and Answers

Q1. What is RCC
Ans. 
RCC stands for Reinforced Cement Concrete, a composite material used in construction for its strength and durability.
• RCC combines concrete's compressive strength with steel's tensile strength.

• Commonly used in beams, columns, slabs, and foundations.

• Example: RCC is used in constructing bridges due to its ability to withstand heavy loads.

• RCC structures are designed to resist environmental factors like moisture and tempera...read more
Answered by AI
Add your answer
Q2. What is PCC
Ans. 
PCC stands for Plain Cement Concrete, a construction material made from cement, aggregates, and water.
• PCC is used as a base for foundations and floors.

• It consists of cement, sand, gravel, and water in specific proportions.

• PCC provides a strong and durable surface for construction.

• Example: PCC is often used in the construction of pavements and slabs.
Answered by AI
Add your answer
Q3. Can you derive construction material
Ans. 
Deriving construction materials involves understanding their sources, properties, and applications in building projects.
• Identify raw materials: Examples include sand, gravel, cement, and steel.

• Understand material properties: For instance, concrete's compressive strength and steel's tensile strength.

• Consider sustainability: Use recycled materials like reclaimed wood or recycled concrete aggregates.

• Evaluate cost-effectiv...read more
Answered by AI
Add your answer
Q4. What is footing
Ans. 
Footing is a structural element that transfers building loads to the ground, ensuring stability and support for structures.
• Footings are typically made of concrete and are placed below the frost line to prevent shifting.

• They come in various types, such as spread footings, strip footings, and mat footings, depending on the load and soil conditions.

• For example, a spread footing is used for individual columns, while a mat ...read more
Answered by AI
Add your answer
Q5. What is bricks size
Ans. 
Bricks typically measure 7.5 x 3.5 x 2.25 inches, but sizes can vary based on type and region.
• Standard brick size in the U.S. is 7.5 x 3.5 x 2.25 inches.

• Modular bricks are 7.625 x 3.625 x 2.25 inches, used for precise alignment.

• Engineering bricks are often larger, around 8 x 4 x 3 inches, for structural purposes.

• In the UK, common brick size is 215 x 102.5 x 65 mm (approximately 8.5 x 4 x 2.5 inches).
Answered by AI
Add your answer
Q6. What is cube column
Ans. 
A cube column is a structural element with a cubic shape, used to support loads in construction.
• Cube columns are typically made of concrete or reinforced concrete.

• They provide vertical support for beams and slabs in buildings.

• Example: A cube column can be used in a parking garage to support the upper levels.

• Cube columns are designed to withstand compressive forces.
Answered by AI
Add your answer
Q7. What is circular column
Ans. 
A circular column is a vertical structural element with a round cross-section, used to support loads in buildings and structures.
• Commonly used in reinforced concrete and steel structures.

• Provides uniform strength and stability under axial loads.

• Examples include columns in bridges, parking garages, and high-rise buildings.

• Circular columns can be more aesthetically pleasing in design.
Answered by AI
Add your answer
Q8. What is maximum water absorption of first class bricks
Ans. 
First class bricks typically have a maximum water absorption of 20% by weight, indicating their quality and durability.
• First class bricks are made from good quality clay and are well-burnt.

• They should not absorb more than 20% of their weight in water within 24 hours.

• High water absorption can lead to structural issues in construction.

• For example, if a brick weighs 5 kg, it should not absorb more than 1 kg of water.
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?
Add your answer
Q5. Where do you see yourself in 5 years?
Add your answer

Q1. HSE technical questions
Ans. What is colour code in lifting tools
Answered Anonymously
Add your answer

Q1. Do you know about Coal India and its remote locations?
Ans. 
Yes, Coal India is a state-owned coal mining company with operations in remote locations.
• Coal India Limited is the largest coal-producing company in the world.

• It has mines in remote locations such as Jharkhand, Chhattisgarh, and Odisha.

• The company also has subsidiaries that operate in other countries such as Mozambique and South Africa.
Answered by AI
Add your answer
Q2. Why do you want to join here
Ans. 
I am drawn to this organization for its commitment to innovation, growth opportunities, and alignment with my career goals.
• Alignment with Values: Your organization's focus on sustainability resonates with my personal values, as I am passionate about environmental responsibility.

• Career Growth: I see ample opportunities for professional development here, such as mentorship programs and training workshops that can enhance...read more
Answered by AI
Add your answer
Q3. Tell me something about yourself and your experience
Ans. 
I am an experienced professional with a strong background in management and team leadership, dedicated to driving operational excellence.
• Leadership Experience: I have led teams of up to 15 members in my previous role, focusing on enhancing productivity and morale.

• Project Management: Successfully managed multiple projects simultaneously, ensuring they were completed on time and within budget, such as a recent project th...read more
Answered by AI
Add your answer

Q1. Related with your background
Add your answer
Q2. Mining related questions
Add your answer

Q1. Salary related questions
Add your answer

Q1. Vast knowledge of respective field experience with specific suppliers details and IS codes and current market rates of executed items
Add your answer

Test for various reactions on different site conditions

Online test assignments

Q1. Negiotiation and designation discussion
Add your answer

Q1. I do good supervisory
Add your answer
Q2. And promotion for my work
Add your answer
Q3. No question and good
Add your answer

Q1. I do good supervisory
Add your answer
Q2. And my promotion for my job
Add your answer

Discuss the allocation of coal blocks and its relation to the per capita energy index.

Q1. Simple questions
Add your answer