30+ Tagros Chemicals Interview Questions and Answers

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 faster and can resist creep formation.

• Examples of methods to ma...read more

Interview questions for Sr. Engineer Survey

• Contour is a line connecting points of equal elevation on a map

• SWDTM software is used for survey data management

• AutoCAD knowledge is essential for creating and editing survey drawings

• There are two types of traversing in survey: open and closed

• Curve knowledge is important for designing roads, railways, and pipelines

• Traversing error can be calculated by comparing the measured and calculated values

• Excavation and filling quantities can b...read more

M20 is a grade of concrete used in construction. Steel types include mild steel, high tensile steel, and stainless steel. Harbour topics may include dredging, breakwaters, and port design.

• M20 is a mix of concrete with a compressive strength of 20 MPa

• Mild steel is commonly used in construction for reinforcement

• High tensile steel has a higher strength and is used in structures with greater stress

• Stainless steel is corrosion-resistant and used in environments with high moisture ...read more

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 appropriate curing techniques can help minimize these issues.

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

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 concrete.

• Proper curing enhances the long-term performance of co...read more

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 allowable free fall height may be around 5 feet.

• However, for ...read more

The necessary document for Bill is a detailed invoice. Fiber shotcrete can be justified through testing and analysis. The safest distance for Tunnel face blast depends on various factors. Powder factor is a measure of explosive efficiency.

• The necessary document for Bill is a detailed invoice that includes all the relevant information such as the scope of work, quantities, rates, and any additional charges.

• To justify the use of fiber shotcrete, it is important to conduct tests...read more

Schedule H drugs can only be sold by retailers on the prescription of a registered medical practitioner.

• Schedule H drugs are drugs that have a higher potential for abuse and addiction.

• These drugs can only be sold by retailers on the prescription of a registered medical practitioner.

• Examples of Schedule H drugs include Amikacin sulphate, Antibiotics, etc.

Various types of steel and design codes are used in construction materials.

• Common types of steel include carbon steel, stainless steel, and alloy steel.

• Design codes for construction materials include ACI, AISC, ASCE, and ASTM.

• ACI (American Concrete Institute) provides codes for concrete design.

• AISC (American Institute of Steel Construction) provides codes for steel design.

• ASCE (American Society of Civil Engineers) provides codes for various civil engineering projects.

• ASTM (Am...read more

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 identifying the mix ratio.

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 decrease in concrete strength and durability, as well as an...read more

OPM stands for Optimum Moisture Content. If moisture content in soil is 20%, it will be at its ideal level for compaction.

• OPM is the moisture content at which soil is most workable and compactable.

• At 20% moisture content, soil will be at its optimum level for compaction.

• Higher or lower moisture content can lead to poor compaction and stability issues.

Schedule H drugs are prescription medications that have a high potential for abuse and are strictly regulated.

• Schedule H drugs are classified as prescription-only medications.

• They have a high potential for abuse and addiction.

• These drugs are subject to strict regulations and can only be dispensed by a licensed pharmacist.

• Examples of Schedule H drugs include opioids like oxycodone and hydrocodone, as well as sedatives like diazepam and alprazolam.

The procedure for PSC girders casting involves preparing formwork, placing reinforcement, pouring concrete, curing, and demolding.

• Prepare formwork according to design specifications

• Place reinforcement bars as per structural drawings

• Pour concrete mix into the formwork

• Ensure proper vibration to remove air bubbles

• Cure the concrete for specified duration

• Demold the PSC girder after sufficient strength is achieved

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 into the formwork.

• The concrete is leveled and compacted to ...read more

I am a determined and resourceful individual who tackles problems by breaking them down into smaller tasks and finding creative solutions.

• I approach problems with a positive attitude and a willingness to learn from challenges.

• I prioritize tasks based on urgency and importance to effectively manage my time.

• I seek input from others and collaborate to brainstorm solutions.

• I am not afraid to take risks and try new approaches to problem-solving.

• For example, when faced with a diffi...read more

I passed my engineering from XYZ College.

• I graduated from XYZ College with a degree in engineering.

• I completed my engineering studies at XYZ College.

• I am a proud alumni of XYZ College's engineering program.

Piling is a procedure used in construction to create a deep foundation by driving or drilling piles into the ground.

• Piling is used to transfer the load of a structure to deeper, more stable soil or rock layers.

• The procedure for piling involves several steps such as site investigation, pile design, installation, and testing.

• Site investigation includes soil testing to determine the type and properties of the soil.

• Pile design involves determining the type, length, and diameter o...read more

Handling projects requires effective planning, communication, and management skills.

• Create a detailed project plan with clear timelines and milestones

• Communicate regularly with team members and stakeholders to ensure everyone is on the same page

• Identify and mitigate potential risks and issues before they become major problems

• Monitor progress and adjust plans as needed

• Ensure all project deliverables meet quality standards and are delivered on time and within budget

Piling is a construction technique used to strengthen the foundation of a structure by driving piles into the ground.

• Piling is a method of deep foundation used to transfer the load of a structure to deeper, more stable soil or rock layers.

• Piles are long, slender columns made of materials like concrete, steel, or timber.

• They are driven into the ground using specialized equipment such as pile drivers or hydraulic hammers.

• Piling is commonly used in the construction of bridges, h...read more

PSC girders are pre-stressed concrete girders used in construction projects.

• PSC stands for Pre-Stressed Concrete.

• PSC girders are structural elements used to support loads in bridges, buildings, and other infrastructure projects.

• They are made by placing high-strength steel strands or bars under tension before pouring concrete around them.

• The pre-stressing of the steel helps to counteract the tensile forces that the girder may experience during use.

• PSC girders offer higher stre...read more

Managing a site involves coordinating resources, ensuring safety, monitoring progress, and communicating effectively.

• Coordinate with project team and subcontractors

• Ensure compliance with safety regulations

• Monitor progress and adjust schedule as needed

• Communicate effectively with stakeholders

• Maintain accurate records and documentation

Yes, I have a heavy license.

• I have a valid heavy license for operating crawler cranes.

• I have undergone the necessary training and certification to obtain the heavy license.

• Having a heavy license demonstrates my competence and knowledge in operating heavy machinery.

• With a heavy license, I am authorized to operate crawler cranes safely and efficiently.

Megger is a portable instrument used to measure the insulation resistance of electrical equipment.

• Megger is used to test the insulation resistance of wires, cables, transformers, and electrical motors.

• It helps in identifying any insulation breakdown or faults in the equipment.

• The instrument applies a high voltage to the equipment and measures the resistance to current flow.

• Megger readings are typically measured in megaohms (MΩ).

A multimeter is a versatile tool used to measure voltage, current, and resistance in electrical circuits.

• A multimeter typically has a digital display to show the measured values

• It can measure AC and DC voltage, current, resistance, and sometimes other parameters like capacitance and frequency

• Multimeters have different settings for different types of measurements, such as voltage, current, and resistance

• They often have probes or leads that are connected to the circuit being te...read more

Passionate, driven, and adaptable individual with a strong work ethic and a desire to learn and grow.

• Passionate - I am deeply passionate about my work and always strive to give my best.

• Driven - I am highly motivated and focused on achieving my goals.

• Adaptable - I am able to quickly adjust to new situations and challenges.

• Strong work ethic - I believe in hard work and dedication to achieve success.

• Desire to learn and grow - I am always seeking opportunities to expand my knowle...read more

CPM (Critical Path Method) and PERT (Program Evaluation and Review Technique) are project management tools used to plan and schedule tasks.

• CPM is a deterministic model that calculates the longest path through a project's tasks to determine the minimum project duration.

• PERT is a probabilistic model that uses three time estimates (optimistic, pessimistic, and most likely) to calculate the expected project duration.

• Both CPM and PERT help in identifying the critical path, which i...read more

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 thermal cracking or reduced strength.

• Concrete temperature can ...read more