30+ PNC Infratech Interview Questions and Answers

Shuttering material refers to temporary structures used in construction projects to support concrete during the curing process.

• Shuttering material is required to provide formwork support for concrete structures.

• It helps in creating the desired shape and structure of the concrete element.

• Common types of shuttering materials include plywood, steel, aluminum, and plastic.

• The choice of material depends on factors like project requirements, budget, and duration.

• Shuttering material...read more

Yes

• Yes, I am able to formulate claim raising and defending strategies based on contractual provisions.

• I have extensive experience in contract management and have successfully raised and defended claims in my previous roles.

• I am well-versed in analyzing contractual provisions and identifying the relevant clauses for formulating effective strategies.

• I have a strong understanding of contract law and can leverage it to develop robust claim strategies.

• I have successfully defended ...read more

Preliminary drawing, as-built drawing, drawing schedule, and proof checking are all important aspects of the design and construction process.

• Preliminary drawing: Initial sketches or plans that outline the basic design concept.

• As-built drawing: Final drawings that reflect any changes made during construction.

• Drawing schedule: A timeline or list that outlines when each drawing is expected to be completed.

• Proof checking: A process of reviewing drawings for accuracy and completen...read more

Price adjustment is a mechanism to account for changes in project costs. It helps in maintaining project profitability.

• Price adjustment is a provision in a contract that allows for changes in project costs due to various factors such as inflation, currency fluctuations, or changes in material prices.

• Its role in project cost is to ensure that the project remains financially viable and profitable despite cost fluctuations.

• Price adjustment can be calculated using various methods...read more

Change of Scope in a road project refers to any modifications or alterations made to the original project plan.

• Change of scope can include changes in project objectives, deliverables, timelines, or budget.

• It may involve adding or removing features, adjusting the project scope, or redefining project requirements.

• For example, if a road project initially planned to construct a two-lane road but later decides to expand it to four lanes, it would be considered a change of scope.

• Th...read more

The sources and quantity of materials in projects are determined based on the tender requirements.

• The sources of materials in projects are determined through a procurement process.

• The quantity of materials required is specified in the tender documents.

• The tender documents may include a bill of quantities or a detailed scope of work.

• The procurement team evaluates potential suppliers and selects the most suitable ones.

• The quantity of materials needed may vary depending on the p...read more

The S-Curve is a graphical representation of the growth or progress of a project or business over time.

• The S-Curve is named after its shape, which resembles the letter 'S'.

• It is commonly used in project management to track and visualize the progress of tasks or activities.

• The curve typically shows slow progress at the beginning, followed by a rapid growth phase, and then a tapering off towards the end.

• The S-Curve helps in identifying if a project is on track, ahead of schedul...read more

Preparing a R0 budget for a road project involves several steps and considerations.

• Identify the scope and objectives of the road project

• Estimate the quantities of materials and resources required

• Determine the unit costs of materials, labor, and equipment

• Calculate the total cost for each item and activity

• Consider any contingencies or unforeseen expenses

• Sum up the costs to create the overall budget

• Review and refine the budget as necessary

Rate analysis of earthwork for road project involves calculating the cost of excavation, transportation, and compaction of soil.

• Rate analysis helps in estimating the cost of earthwork for road construction.

• It involves determining the quantity of earthwork required and the rates for excavation, transportation, and compaction.

• The rates are based on factors like the type of soil, distance of transportation, and equipment used.

• For example, the rate for excavation may be calculate...read more

A site engineer is responsible for overseeing construction projects and ensuring they are completed on time and within budget.

• Managing and supervising construction activities

• Ensuring compliance with building codes and regulations

• Preparing and submitting progress reports

• Collaborating with architects, contractors, and other stakeholders

• Monitoring project budgets and timelines

• Ensuring safety protocols are followed on site

The formula to calculate module in gears is the ratio of pitch diameter to the number of teeth.

• Module = Pitch Diameter / Number of Teeth

• Module is a measure of the size of the teeth on a gear.

• It is commonly used in gear design and manufacturing to ensure proper meshing of gears.

• For example, if a gear has a pitch diameter of 40 mm and 20 teeth, the module would be 40 mm / 20 = 2 mm.

The maximum camber in the superelevation portion of a highway is the maximum slope or tilt of the road surface.

• Camber is the slope provided to the road surface to counteract the centrifugal force acting on vehicles during turns.

• Superelevation is the banking of the road at curves to allow vehicles to safely negotiate the turn at higher speeds.

• The maximum camber in the superelevation portion is determined by various factors such as design speed, curve radius, and vehicle charac...read more

Water absorption in bricks depends on various factors such as composition, porosity, and manufacturing process.

• Water absorption in bricks is measured as a percentage of the weight of dry brick that absorbs water.

• The water absorption rate of bricks can vary from 5% to 20% depending on their quality.

• Bricks with higher water absorption rates are generally less durable and more prone to damage.

• Factors affecting water absorption include the type of clay used, firing temperature, a...read more

Rigid pavement is made of concrete while flexible pavement is made of asphalt.

• Rigid pavement is made of concrete and has high flexural strength.

• Flexible pavement is made of asphalt and has low flexural strength.

• Rigid pavement is more durable and requires less maintenance compared to flexible pavement.

• Flexible pavement is easier and cheaper to repair and maintain.

• Examples of rigid pavement include concrete highways and airport runways, while examples of flexible pavement inclu...read more

I don't have the available data to answer this question.

• Sorry, I don't have access to the current data on the number of PTR engaged at BT laying.

• I suggest checking with the relevant department or team for the latest information.

Steel is used in steel structures due to its high strength, durability, and versatility.

• Steel has a high strength-to-weight ratio, making it ideal for supporting heavy loads.

• It is also durable and resistant to corrosion, making it suitable for outdoor structures.

• Steel can be easily fabricated into various shapes and sizes, allowing for versatile design options.

• Examples of steel structures include skyscrapers, bridges, and industrial buildings.

The pitch circle in gears is an imaginary circle that passes through the point where the teeth of two gears mesh together.

• The pitch circle is used to determine the gear ratio between two gears.

• It is the circle on which the pitch diameter of the gear is measured.

• The pitch circle diameter is used in calculations for gear design and analysis.

• The pitch circle is important for ensuring proper meshing of gears and smooth operation.

• For example, in a gear train with two gears, the pi...read more

The crusher make model and process of crushing depend on the type of material being crushed.

• The make and model of the crusher will vary depending on the application and material being crushed.

• The process of crushing also varies depending on the material and desired output size.

• For example, a jaw crusher may be used for primary crushing of hard rock, while a cone crusher is more suitable for secondary or tertiary crushing of softer materials.

• The process may involve multiple st...read more

OOPs concepts in Java and synchronization

• OOPs concepts include inheritance, polymorphism, encapsulation, and abstraction

• Inheritance allows a class to inherit properties and methods from another class

• Polymorphism allows objects to take on multiple forms

• Encapsulation hides the implementation details of a class from other classes

• Abstraction focuses on the essential features of an object

• Synchronization is used to control access to shared resources in a multithreaded environment

• Ja...read more

The code of mix design refers to the specific set of guidelines and calculations used to determine the proportions of ingredients in a concrete mix.

• The code of mix design provides a standardized approach to ensure the desired strength and durability of the concrete.

• It takes into account factors such as the type of cement, aggregate properties, water-cement ratio, and admixtures.

• Examples of mix design codes include the American Concrete Institute (ACI) method, the British Stan...read more

Bitumen ductility test is conducted to determine the ability of bitumen to stretch without breaking.

• It helps in assessing the suitability of bitumen for road construction.

• It is a measure of the viscoelastic behavior of bitumen.

• The test involves stretching a briquette of bitumen at a specific temperature and speed until it breaks.

• The ductility value is expressed in centimeters and indicates the distance the briquette stretched before breaking.

• The test is specified in various s...read more

Preventive maintenance is a proactive approach to maintenance that involves regularly scheduled inspections and repairs to prevent equipment breakdowns.

• Regularly scheduled inspections and maintenance

• Replacing worn out parts before they fail

• Cleaning and lubricating machinery

• Keeping detailed records of maintenance activities

• Predictive maintenance techniques such as vibration analysis or thermography

• Implementing a computerized maintenance management system (CMMS)

As a highway engineer, my responsibility in the last site was to oversee the construction of a new highway interchange.

• Managed a team of construction workers and ensured that the project was completed on time and within budget

• Reviewed and approved design plans and made necessary adjustments

• Coordinated with local authorities and stakeholders to ensure compliance with regulations and minimize disruptions to the community

• Conducted regular inspections to ensure quality control an...read more

Module in gears refers to the size of the gear teeth and is used to determine the gear ratio and dimensions of the gear.

• Module is the ratio of the pitch diameter to the number of teeth in the gear.

• It is used to calculate the dimensions of the gear teeth, such as tooth thickness and depth.

• Different gear modules are used for different applications, with larger modules for heavier loads and smaller modules for higher speeds.

• For example, a gear with a module of 2 means that the p...read more

The number of tests in bricks depends on various factors such as quality standards, intended use, and regulations.

• The number of tests can vary based on the type of bricks (e.g., clay bricks, concrete bricks).

• Common tests for bricks include compressive strength, water absorption, efflorescence, and dimensions.

• Additional tests may be conducted to assess durability, thermal conductivity, and resistance to chemicals.

• Testing methods and standards are defined by organizations like ...read more

Plan and profile drawings are used in highway engineering to show the horizontal and vertical alignment of a road.

• Plan drawing shows the horizontal alignment of the road, including curves, intersections, and other features.

• Profile drawing shows the vertical alignment of the road, including grades, slopes, and elevations.

• Both drawings are used together to provide a comprehensive view of the road design.

• Plan and profile drawings are essential for designing, constructing, and ma...read more

DI pipe can be measured using a measuring tape or a caliper.

• Measure the diameter of the DI pipe using a measuring tape or caliper.

• Ensure the measurement is taken at the widest point of the pipe.

• Record the measurement accurately for reference and future use.

OHT details refer to overhead tank details, pipeline refers to the network of pipes, hand over scheme is the process of transferring responsibility, FHTC stands for Functional Household Tap Connection.

• OHT details include capacity, location, and maintenance schedule.

• Pipeline refers to the network of pipes used for transporting fluids such as water or gas.

• Hand over scheme involves transferring responsibility for a project or system from one party to another.

• FHTC is a scheme tha...read more

FSI testing is done to detect the presence of foreign substances in a sample.

• FSI testing helps ensure the purity and safety of products.

• It is commonly used in the pharmaceutical and food industries.

• Examples of foreign substances that may be detected include bacteria, fungi, and chemicals.

• FSI testing can also be used to identify the source of contamination in a production process.

The valve size refers to the diameter of the valve opening, typically measured in inches or millimeters.

• Valve size is important for determining flow rate and pressure drop in a system.

• Common valve sizes include 1/2", 3/4", 1", etc.

• Valve size may vary depending on the application and required flow rate.

Module is the ratio of pitch circle diameter to the number of teeth in a gear.

• Module is a gear parameter that defines the size of the gear teeth.

• Pitch circle diameter is the diameter of the imaginary circle on which the gear teeth are located.

• The formula M=D/T calculates the module where D is the pitch circle diameter and T is the number of teeth.

• For example, if the pitch circle diameter is 100 mm and the number of teeth is 20, the module would be 5.

Yes, code for concrete refers to the specific mix design used in construction.

• Code for concrete includes the proportions of cement, aggregates, water, and additives used in a specific mix design.

• Different codes and standards (such as ACI, ASTM) provide guidelines for designing concrete mixes for different applications.

• For example, ACI 318 provides requirements for structural concrete used in buildings and other structures.

My current CTC before this company is $80,000 per year.

• My current CTC is $80,000 per year

• I have been earning this amount for the past two years

• I received a 10% raise in my previous job, bringing my CTC to $80,000

A batch mix plant is a type of plant used to produce asphalt, concrete, or other materials in batches.

• Batch mix plants are commonly used in construction projects to produce small quantities of materials at a time.

• They are versatile and can be easily transported to different job sites.

• Batch mix plants typically have separate compartments for storing different materials, such as aggregates, cement, and water.

• The materials are mixed together in a rotating drum or mixer to produc...read more

M-20 grade ratio is the mix proportion of cement, sand and aggregate for making concrete of strength 20 MPa.

• M-20 grade concrete is commonly used for residential and commercial construction.

• The ratio of cement:sand:aggregate is 1:1.5:3.

• For 1 cubic meter of concrete, 0.28 cubic meters of cement, 0.42 cubic meters of sand, and 0.84 cubic meters of coarse aggregate are required.

Expected CTC in this company depends on various factors such as experience, qualifications, and negotiation skills.

• Expected CTC can vary based on the level of experience - entry level, mid-level, senior level.

• Qualifications and certifications can also impact the expected CTC.

• Negotiation skills play a crucial role in determining the final CTC offer.

• Researching industry standards and company policies can give an idea of the expected CTC range.

To ensure job stability as a Senior Manager Materials, focus on continuous learning, building strong relationships, and adapting to industry changes.

• Continuously update your knowledge and skills in materials management and related areas.

• Build strong relationships with suppliers, vendors, and other stakeholders to ensure a reliable supply chain.

• Stay updated with industry trends and technological advancements to adapt to changes and remain competitive.

• Develop leadership and man...read more