10+ TCS Interview Questions and Answers

The unit weight of concrete and steel varies based on diameter.

• Unit weight of concrete varies from 22 to 25 kN/m3

• Unit weight of steel varies from 7850 to 8000 kg/m3

• For example, the unit weight of 10mm steel is 0.617 kg/m and 20mm steel is 2.469 kg/m

• Similarly, the unit weight of M20 grade concrete is 25 kN/m3

The amount of steel required for 1000 cubic meters of concrete depends on the type and design of the concrete.

• The steel reinforcement in concrete is typically measured in terms of weight per unit volume of concrete.

• The amount of steel required can vary based on factors such as the strength of the concrete, the type of structure, and the design requirements.

• Steel reinforcement is commonly expressed as a percentage of the volume of concrete, known as the reinforcement ratio.

• For...read more

The number of carpenters required for 3000cum concreting depends on the size of the project and the speed of the carpenters.

• The size of the project and the speed of the carpenters are important factors in determining the number of carpenters required.

• The type of formwork being used can also affect the number of carpenters needed.

• On average, one carpenter can complete 4-5 cubic meters of formwork per day.

• Assuming an average of 4.5 cubic meters per day per carpenter, 3000 cubic...read more

BOQ is Bill of Quantities used in construction projects. Grades of concrete are M5, M7.5, M10, M15, M20, M25, M30, M35, M40, M45, M50, M55, M60. Well foundation is a type of deep foundation used to support heavy loads. Boring method in pile foundation is used to create a hole in the ground for the pile to be inserted.

• BOQ is a document that lists the type and quantity of materials required for a construction project.

• Grades of concrete are determined by the strength of the conc...read more

The time required for pile cap, manpower used, method for pier construction, and deshuttering time for slab are project-specific and depend on various factors.

• The time required for pile cap depends on the size and number of piles, complexity of design, and site conditions.

• Manpower used for pile cap depends on the size of the project and the equipment used.

• The method used for pier construction depends on the type of pier, site conditions, and project requirements.

• Deshuttering ...read more

Maintain elevation of underground piping by using level instruments and proper installation techniques.

• Use a level instrument to check the elevation of the piping during installation.

• Ensure that the piping is installed with a consistent slope to prevent low spots where water can accumulate.

• Regularly inspect the piping to ensure that it has not shifted or settled, which can affect the elevation.

• Consider using supports or anchors to prevent movement of the piping.

• Properly backf...read more

Pile bearing capacity is the ability of a pile to support a load. Tests include static load test, dynamic load test, and integrity test.

• Pile bearing capacity is determined by conducting load tests on the pile.

• Static load test involves applying a load to the pile and measuring the settlement.

• Dynamic load test involves striking the pile with a hammer and measuring the response.

• Integrity test involves testing the pile for any defects or damage.

• Factors affecting pile bearing capa...read more

To negotiate and justify the right price, I focus on understanding the value proposition, conducting market research, and effectively communicating the benefits.

• Understand the value proposition of the product or service being offered

• Conduct market research to determine the competitive pricing and customer expectations

• Highlight the unique features and benefits of the product or service

• Clearly communicate the value and return on investment to the customer

• Be open to negotiation ...read more

I plan routine maintenance for my plant by following a systematic approach that includes scheduling, prioritizing, and tracking maintenance tasks.

• Create a maintenance schedule based on equipment usage and manufacturer recommendations

• Prioritize maintenance tasks based on criticality and impact on production

• Track maintenance tasks and their completion status using a computerized maintenance management system (CMMS)

• Regularly review and adjust the maintenance plan based on feedba...read more

Piling rigs are classified based on their method of operation, size, and type of soil they are designed to work with.

• Method of operation (e.g. impact hammer, rotary drilling)

• Size (e.g. small, medium, large)

• Type of soil they are designed to work with (e.g. cohesive soil, granular soil)

Welding electrodes are chosen based on the material being welded. Different materials require different types of electrodes.

• Electrodes for mild steel have a coating that produces a stable arc and minimal spatter.

• Stainless steel electrodes have a coating that resists corrosion and produces a smooth, clean weld.

• Cast iron electrodes have a high nickel content to prevent cracking.

• Aluminum electrodes have a special coating to prevent oxidation and produce a strong weld.

• Electrodes ...read more

Pile foundation making steps

• Determine the load-bearing capacity of the soil

• Choose the type of pile foundation based on soil conditions and load requirements

• Excavate the soil to the required depth

• Insert the pile into the hole and fill it with concrete or grout

• Allow the concrete or grout to cure before continuing construction

Transformer testing involves various procedures to ensure proper functioning and safety.

• Testing procedures include insulation resistance, turns ratio, power factor, and winding resistance tests.

• Results are compared to manufacturer specifications to determine if the transformer is functioning correctly.

• Testing is crucial to prevent equipment failure and ensure safety in electrical systems.

TPM stands for Total Productive Maintenance, a system that aims to maximize equipment effectiveness and minimize downtime.

• TPM involves regular maintenance and inspection of equipment to prevent breakdowns

• It also includes training employees to operate and maintain equipment properly

• TPM aims to create a culture of continuous improvement and teamwork

• Examples of TPM tools include visual management, autonomous maintenance, and planned maintenance

• TPM can lead to increased productiv...read more

MTTR stands for Mean Time To Repair. It is the average time taken to repair a system or equipment after a failure.

• MTTR is a key metric used in maintenance management.

• It helps in measuring the efficiency of maintenance processes.

• MTTR can be calculated by dividing the total downtime by the number of repairs.

• For example, if a machine was down for a total of 10 hours and it took 2 repairs to fix it, the MTTR would be 5 hours.

• A lower MTTR indicates better maintenance efficiency an...read more

Beam lapping at high rise tower is a construction technique where beams are overlapped to provide additional strength and support.

• Beam lapping is commonly used in high rise buildings to ensure structural integrity.

• The overlapping of beams helps distribute the load more evenly and prevent sagging or collapsing.

• Properly executed beam lapping can increase the overall stability and safety of the building.

• Examples of beam lapping can be seen in the construction of skyscrapers and ...read more

I have created flow diagrams for various projects in my previous roles as an Assistant Manager.

• Created flow diagrams to visualize project processes and identify areas for improvement

• Used tools such as Microsoft Visio and Lucidchart to create diagrams

• Collaborated with team members to ensure accuracy and completeness of diagrams

• Presented diagrams to upper management to communicate project progress and identify potential roadblocks

SCM involves planning, implementing, and controlling the flow of goods and services from point of origin to point of consumption.

• Planning: Forecasting demand, setting inventory levels, and developing strategies for sourcing and production.

• Sourcing: Identifying suppliers, negotiating contracts, and managing relationships.

• Production: Manufacturing products, managing quality control, and ensuring timely delivery.

• Inventory Management: Monitoring stock levels, optimizing storage, ...read more