40+ Estimation Engineer Interview Questions and Answers

Research potential vendors, evaluate their capabilities, negotiate terms and conditions, and establish a contract.

• Conduct market research to identify potential vendors

• Evaluate vendor capabilities and quality of materials

• Negotiate terms and conditions, including pricing and delivery schedules

• Establish a contract with the selected vendor

• Ensure vendor compliance with safety and quality standards

The limitations of star delta and DOL starters

• Star delta starters are not suitable for high starting torque applications

• DOL starters can cause high inrush current during motor starting

• Both starters require manual switching between star and delta configurations

• Star delta starters are not suitable for motors with high starting current

• DOL starters do not provide smooth acceleration and can cause mechanical stress on the motor

There are several types of cement brands available in Tamil Nadu including Chettinad Cement, Ramco Cement, Dalmia Cement, and Ultratech Cement.

• Chettinad Cement

• Ramco Cement

• Dalmia Cement

• Ultratech Cement

The first law states that energy cannot be created or destroyed, the second law states that entropy always increases in a closed system, and the third law states that it is impossible to reach absolute zero.

• First law: Conservation of energy

• Second law: Entropy always increases

• Third law: Absolute zero is unattainable

Passive fire protection is built into the structure of a building to prevent the spread of fire, while active fire protection requires manual or automatic activation to suppress or extinguish a fire.

• Passive fire protection includes fire-resistant materials, fire barriers, and compartmentalization to slow the spread of fire.

• Active fire protection includes fire alarms, sprinkler systems, and fire extinguishers to actively suppress or extinguish a fire.

• Passive fire protection is...read more

I have 5 years of experience in the field of fireproofing.

• I have worked on various projects involving fireproofing materials and techniques.

• I have experience in estimating the quantity of fireproofing materials needed for different structures.

• I am familiar with industry standards and regulations related to fireproofing.

• I have collaborated with architects, engineers, and contractors to ensure proper fireproofing measures are implemented.

• I have successfully completed projects w...read more

Rate analysis is the process of determining the unit cost or rate for various items of work in a construction project.

• Rate analysis involves breaking down the cost of materials, labor, and equipment required for a specific task or activity.

• It helps in estimating the total cost of a project and determining the quantities of materials needed.

• Rate analysis is essential for preparing accurate project budgets and cost estimates.

• It involves studying the specifications, drawings, an...read more

Ferranti effect is the voltage rise at the receiving end of a long transmission line due to capacitive charging current.

• Occurs in long transmission lines (>250 km)

• Voltage at receiving end can be higher than at sending end

• Capacitive charging current causes voltage rise

• Can cause overvoltage and damage to equipment

• Compensators can be used to mitigate the effect

To make a quotation, gather all relevant information, calculate costs, and provide a detailed breakdown of the pricing.

• Gather all necessary information about the project or product being quoted.

• Calculate the costs involved, including materials, labor, and any additional expenses.

• Provide a detailed breakdown of the pricing, including itemized costs and any applicable taxes or fees.

• Consider any discounts or special offers that may apply.

• Ensure the quotation is clear, profession...read more

A single line diagram of a motor control circuit shows the electrical connections and components in a simplified manner.

• A single line diagram uses standardized symbols to represent various components such as motors, switches, and control devices.

• It shows the power supply, control circuit, and motor connections in a single line format.

• The diagram helps in understanding the overall circuit layout and how different components are interconnected.

• Example: A single line diagram of ...read more

The estimation process affects project timelines, budgets, resource allocation, and overall project success.

• Estimation process helps in determining the project timeline and setting deadlines.

• Accurate estimation ensures proper allocation of resources like manpower, materials, and equipment.

• Estimation impacts the project budget by forecasting costs and preventing cost overruns.

• Poor estimation can lead to delays, budget issues, and ultimately project failure.

Notifier single loop detectors typically have 126 devices.

• Notifier single loop systems usually support up to 126 detectors

• The number of detectors in a Notifier single loop system can vary based on the specific model and configuration

• It is important to consult the product specifications for the exact number of detectors supported

Bar bending schedule is a document that provides details of reinforcement steel bars used in construction.

• It includes the diameter, length, shape, and number of bars required for each structural element.

• It helps in estimating the quantity of steel required for a project and ensures that the reinforcement is placed correctly.

• It is prepared by a structural engineer or a detailer based on the design drawings.

• It is an important document for contractors and workers involved in the...read more

Mode of measurement refers to the most frequently occurring value in a set of data.

• Mode is a measure of central tendency in statistics.

• It is the value that appears most frequently in a dataset.

• Mode can be used to describe categorical or discrete data.

• For example, in a dataset of test scores, if 80 appears most frequently, then 80 is the mode.

IS codes are Indian standards that provide guidelines for concrete, plaster, and gypsum.

• IS 456:2000 - Code of practice for plain and reinforced concrete

• IS 3370:1965 - Code of practice for concrete construction

• IS 269:1989 - Specification for ordinary and low heat Portland cement

• IS 2547:1976 - Specification for gypsum plaster

• IS 2542:1992 - Specification for gypsum building plaster

Bar bending schedule is calculated by determining the quantity of steel required for each bar in a structure.

• Calculate the total length of each type of bar required in the structure

• Determine the number of bends and shape of each bar

• Calculate the total weight of steel required for each bar

• Prepare a detailed schedule showing the dimensions, shape, and quantity of each bar

• Use software like AutoCAD or Excel for accurate calculations

Cementitious fireproofing is a type of passive fire protection that is applied to structural steel to increase fire resistance.

• Cementitious fireproofing is a spray-applied material made of cement, aggregates, and fibers.

• It is used to protect steel structures from fire by insulating them and delaying the increase in steel temperature during a fire.

• Cementitious fireproofing can be applied to beams, columns, and other structural elements in buildings.

• Examples of cementitious fir...read more

Entropy is a measure of disorder or randomness in a system, while pressure is the force exerted per unit area.

• Entropy is a thermodynamic property that describes the degree of disorder or randomness in a system.

• It is denoted by the symbol S and is measured in units of joules per kelvin.

• Pressure is the force exerted per unit area and is measured in units of pascals.

• It is denoted by the symbol P and is a measure of the intensity of a force per unit area.

• Both entropy and pressure...read more

Corona in electrical refers to a phenomenon where a discharge occurs around conductors due to high voltage stress.

• Corona is a luminous discharge that happens when the electric field strength around a conductor exceeds a certain threshold.

• It can occur in high voltage transmission lines, transformers, insulators, and other electrical equipment.

• Corona causes energy losses, audible noise, radio interference, and can lead to equipment damage.

• Reducing the electric field strength, u...read more

LT and HT panels are electrical distribution panels used to control and distribute power supply.

• LT panels are used for low voltage distribution up to 415V while HT panels are used for high voltage distribution above 415V.

• LT panels are commonly used in residential and commercial buildings while HT panels are used in industries and power plants.

• LT panels are equipped with circuit breakers, fuses, and relays while HT panels have additional equipment like transformers, isolators,...read more

Intumescent fireproofing is a type of passive fire protection that expands when exposed to high temperatures, forming a protective char to insulate the underlying material.

• Intumescent fireproofing is commonly used in buildings to protect structural steel from fire damage.

• It can be applied as a paint or coating, or as a spray-on material.

• When exposed to fire, intumescent fireproofing expands to create a barrier that insulates the steel and prevents it from reaching critical te...read more

Finishing quantity can be calculated by determining the area to be finished and the thickness of the finishing material.

• Calculate the area to be finished by measuring the length and width of the surface.

• Determine the thickness of the finishing material to be applied.

• Multiply the area by the thickness to get the finishing quantity.

• For example, if a wall is 10 feet long and 8 feet high, the area to be finished is 80 square feet. If the finishing material is to be applied at a t...read more

Estimation Engineer typically involves analyzing project requirements, determining costs, and creating accurate estimates for construction projects.

• Analyzing project requirements

• Determining costs of materials, labor, and equipment

• Creating accurate estimates for construction projects

• Reviewing blueprints and specifications

• Collaborating with architects, engineers, and contractors

Current CTC refers to the current salary package of the candidate.

• Current CTC is the total amount of money an employee receives from their employer, including salary, bonuses, and benefits.

• It is important for employers to know the candidate's current CTC to make a competitive offer.

• Candidates may choose to disclose their current CTC or prefer not to share this information.

• Example: Candidate's current CTC is $60,000 per year.

Covered area refers to the total area of a building or structure that is enclosed and protected from the elements.

• Covered area includes all indoor spaces and any outdoor areas that are covered by a roof or other structure.

• It does not include open-air spaces or areas that are not enclosed.

• For example, a covered patio or a carport would be considered part of the covered area of a home.

• Calculating the covered area is important for determining the cost of construction and for com...read more

The cost of a 1000 KVR APFC panel can vary depending on the brand, features, and quality.

• Cost can range from $5000 to $15000 or more

• Factors affecting cost include brand reputation, technology used, and additional features

• Customization options may also impact the final price

TTA & PTTA type panels are electrical distribution panels used in industrial settings.

• TTA stands for Totally Type Tested Assembly and PTTA stands for Partially Type Tested Assembly

• TTA panels are fully type tested for safety and reliability

• PTTA panels are partially type tested and may require additional testing for specific applications

• Both types of panels are used in industrial settings for electrical distribution

• Examples of TTA & PTTA panel manufacturers include Schneider El...read more

Finding a vendor involves researching and evaluating potential suppliers based on specific criteria.

• Identify the product or service needed

• Research potential vendors through online directories, trade shows, and referrals

• Evaluate vendors based on factors such as price, quality, delivery time, and customer service

• Request quotes and proposals from selected vendors

• Negotiate terms and conditions with the chosen vendor

• Establish a contract or purchase agreement with the vendor

Estimation is the process of calculating or approximating the value, size, cost, or quantity of something.

• Estimation involves analyzing available data and making educated guesses or predictions.

• It is used in various fields such as construction, engineering, project management, and finance.

• Estimation helps in planning, budgeting, and decision-making.

• Examples include estimating the cost of a construction project, the time required to complete a task, or the number of resources ...read more

A bar bending schedule is a document detailing the type, size, quantity, and placement of reinforcement bars in a concrete structure according to US code.

• A bar bending schedule is prepared based on the structural drawings and specifications provided for a project.

• It includes details such as bar mark, bar size, quantity, length, shape, and bending dimensions for each reinforcement bar.

• The schedule helps in estimating the quantity of steel required, fabricating the reinforcemen...read more

My current company follows a structured approach to project estimation, utilizing industry-standard software and tools.

• Our company uses software like Primavera P6 and Microsoft Project for project scheduling and cost estimation.

• We follow a detailed process of breaking down project requirements, analyzing resources, and calculating costs.

• Regular meetings and reviews are conducted to ensure accuracy and alignment with project goals.

• We also consider factors like risk analysis an...read more

Expected CTC depends on candidate's experience, skills, and the company's budget.

• Expected CTC can vary based on the candidate's level of experience and expertise.

• It also depends on the industry standards and the company's budget for the position.

• Candidates with specialized skills or certifications may command a higher CTC.

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

Fireproofing is the process of making materials or structures resistant to fire and heat.

• Fireproofing involves applying special coatings or materials to surfaces to prevent or delay combustion.

• It is commonly used in buildings to protect structural elements such as steel beams from fire damage.

• Fireproofing can also refer to the use of fire-resistant materials in the construction of buildings or vehicles.

• Examples of fireproofing materials include intumescent coatings, fire-resi...read more

An auction is a public sale in which goods or property are sold to the highest bidder.

• Auctions can be conducted in person or online.

• Bidders compete by placing bids until the auction ends.

• The item is sold to the highest bidder at the end of the auction.

• Different types of auctions include English auction, Dutch auction, and sealed-bid auction.

Circuit breakers are electrical switches designed to protect electrical circuits from damage caused by overload or short circuit.

• Circuit breakers automatically stop the flow of electricity when a fault is detected.

• They can be reset manually after tripping.

• Different types include thermal-magnetic, magnetic, and hydraulic-magnetic circuit breakers.

• Examples include miniature circuit breakers (MCBs) and molded case circuit breakers (MCCBs).

Stages of tenders include pre-tender stage, tender stage, post-tender stage, and award stage.

• Pre-tender stage involves identifying project requirements and preparing tender documents.

• Tender stage is when the tender is advertised, bids are submitted, and evaluations are done.

• Post-tender stage involves negotiations, clarifications, and finalizing the contract.

• Award stage is when the contract is awarded to the successful bidder.

A GA diagram is a graphical representation of a system showing the relationships between various components.

• Identify all components of the system

• Draw lines to show connections between components

• Label each component and connection for clarity

I have worked on various projects including commercial buildings, residential complexes, and industrial facilities.

• Commercial building construction

• Residential complex development

• Industrial facility upgrades