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Burohappold Engineering
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I applied via Referral and was interviewed before Jun 2023. There were 3 interview rounds.
Basic SFD BMD, Design questions
Designing a retaining wall involves analyzing the soil conditions, determining the load it will bear, selecting appropriate materials, and ensuring proper drainage.
Consider soil type and slope of the land
Calculate the load the wall will bear
Select appropriate materials such as concrete, stone, or timber
Ensure proper drainage to prevent water buildup
Include reinforcement like steel bars if needed
P-delta analysis is a second-order analysis method used in structural engineering to account for the effects of axial loads on the overall stability of a structure.
P-delta analysis considers the interaction between the applied loads and the deformed shape of the structure.
It is used to assess the stability of tall or slender structures, where the effects of second-order forces become significant.
P-delta effects can lea...
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posted on 19 Jul 2023
Copy monitor in Autodesk Revit is a tool used to monitor changes in linked models and synchronize them with the current model.
Copy monitor allows users to track changes in linked models and update them in the current model.
It helps maintain consistency between different models in a project.
Users can easily identify and resolve conflicts or discrepancies between linked models.
Copy monitor can be used for elements like g
Shared parameter is a parameter that can be used across multiple elements in a project.
Shared parameters allow for consistent data across different elements in a project.
They can be created and managed in software like Revit for BIM projects.
Examples include shared parameters for material types, cost estimates, or project phases.
Import CAD brings a copy of the CAD file into the current project, while Link CAD creates a reference to the original CAD file.
Import CAD creates a duplicate of the CAD file within the project, increasing file size.
Link CAD maintains a connection to the original CAD file, allowing for real-time updates.
Changes made to the original CAD file will reflect in the linked CAD file, but not in the imported CAD file.
Import CAD...
Building Information Modelling (BIM) is a digital representation of the physical and functional characteristics of a building.
BIM is a collaborative process that allows multiple stakeholders to work together on a building project.
It involves creating and managing digital representations of the physical and functional characteristics of a building.
BIM helps in improving coordination, efficiency, and accuracy in the desi...
I applied via Campus Placement and was interviewed before Nov 2017. There were 5 interview rounds.
LOD stages in BIM refer to the Level of Development which defines the amount of detail and accuracy of a model at different stages of a project.
LOD 100: Conceptual design with basic massing and spatial relationships
LOD 200: Generalized elements with approximate quantities, size, shape, location, and orientation
LOD 300: Specific elements with accurate quantities, size, shape, location, and orientation
LOD 400: Detailed e...
I applied via Referral and was interviewed before Feb 2023. There were 2 interview rounds.
Line sizing criteria is based on factors like flow rate, pressure drop, velocity, and material compatibility.
Consider the flow rate of the fluid being transported
Calculate the pressure drop allowed in the system
Determine the velocity of the fluid to prevent erosion or corrosion
Ensure the material of the line is compatible with the fluid being transported
I applied via Company Website and was interviewed before Jul 2023. There was 1 interview round.
A truss member is a structural component of a truss, which is a framework of beams used to support a roof or bridge.
Truss members are typically straight and connected at joints.
They can be made of various materials such as wood, steel, or aluminum.
Common types of truss members include chords, webs, and diagonals.
Truss members are designed to carry tension or compression forces efficiently.
Examples of truss members incl
Tower load validation can be checked through structural analysis software and manual calculations.
Use structural analysis software to simulate different load conditions on the tower.
Calculate the expected load on the tower based on the design specifications and environmental factors.
Compare the simulated and calculated loads to ensure they are within the safe limits.
Perform on-site inspections and measurements to verif...
I applied via Naukri.com and was interviewed in Jun 2024. There were 2 interview rounds.
Patch load on towers refers to the additional weight or load that is applied to a tower structure to strengthen or modify its capacity.
Patch load can be applied to towers to increase their capacity to withstand wind, seismic, or other loads.
Patch load can also be used to redistribute loads on a tower to prevent structural failures.
Examples of patch loads include adding steel plates or braces to a tower structure to inc...
Codes on towers refer to the specific design and construction standards that must be followed for safety and structural integrity.
Codes on towers are regulations set by organizations like ANSI/TIA and ASCE that dictate the design, construction, and maintenance of towers.
These codes cover aspects such as materials used, structural design, wind loading, and safety factors.
For example, ANSI/TIA-222-G specifies the require...
I applied via Referral and was interviewed before Aug 2023. There was 1 interview round.
I am a structural engineer with a passion for designing safe and innovative structures.
Graduated with a degree in Civil Engineering
Experienced in using software like AutoCAD and SAP2000
Worked on projects ranging from residential buildings to bridges
Strong understanding of structural analysis and design principles
I have worked on various projects including designing high-rise buildings, bridges, and industrial structures.
Designed structural systems for a 30-story residential building
Performed analysis and design for a pedestrian bridge over a river
Worked on retrofitting an existing industrial facility to meet current building codes
Load density refers to the amount of power consumed per unit area or volume.
Load density is typically measured in watts per square meter or watts per cubic meter.
It is used in electrical design to determine the distribution of power consumption in a given space.
Higher load density may require more robust electrical systems to handle the increased power demand.
For example, data centers have high load density due to the ...
Short circuit current from 1000kVA TF (5% Z) on a panel and determine its CB Fault current rating using IEC Standard.
Calculate the short circuit current using the formula: Short circuit current = 1000kVA / (1.732 * 5%)
Determine the CB Fault current rating based on the calculated short circuit current
Refer to IEC Standard for guidelines on short circuit current calculations and CB ratings
The cable size and circuit breaker rating for a 50KW motor at 30m distance from the panel depend on factors like voltage, current, and installation conditions.
Calculate the full load current (FLC) of the motor using the formula: FLC = (Power (kW) * 1000) / (sqrt(3) * Voltage)
Select a cable size based on the FLC, voltage drop considerations, and installation conditions
Choose a circuit breaker rating based on the FLC and...
CRI stands for Color Rendering Index, a measure of how accurately a light source illuminates colors compared to natural light.
CRI is a scale from 0 to 100, with higher values indicating better color rendering.
It is important in lighting design to ensure colors appear true and vibrant.
LED lights typically have high CRI values, making them popular for applications where color accuracy is crucial.
UGR stands for Unified Glare Rating, a measure of the discomfort glare perceived by an observer.
UGR is used in lighting design to evaluate the visual comfort of lighting installations.
It takes into account factors such as the luminance of the light source, the position of the observer, and the reflectance of the surrounding surfaces.
Lower UGR values indicate less glare and better visual comfort for the occupants.
For ex...
Uniformity factor is a measure of how evenly distributed light is in a given space.
Uniformity factor is calculated by dividing the minimum illuminance level by the average illuminance level in a space.
A higher uniformity factor indicates more even lighting distribution.
Uniformity factor is important in lighting design to ensure consistent lighting levels throughout a space.
For example, in an office setting, a uniformit
Maintenance factor is a multiplier used in lighting design to account for the decrease in light output over time due to dirt, aging, and other factors.
Maintenance factor is typically a value between 0 and 1, with 1 indicating no decrease in light output over time.
It is used to adjust the initial illuminance level calculated for a space to account for the decrease in light output over the life of the lighting system.
Fac...
Reflection index in rooms refers to the amount of sound reflected off surfaces within a room.
Reflection index is important in determining the acoustics of a room.
High reflection index can lead to echoes and reverberation.
Materials like concrete and glass have high reflection index, while soft materials like carpets and curtains have low reflection index.
Exit sign lighting in corridors or pathways is designed to provide clear and visible guidance to occupants in case of emergency.
Ensure exit signs are placed at all exits and change in direction
Use photoluminescent materials for backup in case of power failure
Provide adequate lighting levels to ensure visibility in all conditions
Consider using LED lights for energy efficiency and long lifespan
Earthing design involves creating a low-resistance path for fault currents to safely dissipate into the ground.
Determine the type of earthing system needed based on the specific requirements of the electrical installation.
Calculate the required size of the earthing conductors based on the fault current levels and soil resistivity.
Ensure proper bonding of all metallic structures and equipment to the earthing system to p...
Earth loop impedance is the total impedance of the earth fault current path in an electrical circuit.
Earth loop impedance is important for ensuring the safety of electrical installations.
It is measured in ohms and is used to calculate the maximum fault current that could flow in the event of a fault.
Low earth loop impedance is desirable as it helps to quickly trip circuit breakers in case of a fault.
It is influenced by...
Designing a transformer room involves considering safety, space requirements, ventilation, and electrical codes.
Ensure proper ventilation to prevent overheating of transformers
Follow electrical codes and regulations for clearances and access
Provide adequate space for maintenance and operation of transformers
Consider safety measures such as fire protection and emergency shutdown systems
Cable tray sizing involves considering the current carrying capacity, voltage drop, and environmental factors.
Calculate the total current carrying capacity required for the cables in the tray.
Consider the voltage drop limitations based on the distance and load.
Take into account the environmental factors such as temperature, humidity, and corrosive elements.
Select the appropriate size and material of the cable tray base...
Spacing between smoke detectors depends on the type of detector and the manufacturer's recommendations.
Spacing between smoke detectors is typically around 30 feet in residential areas.
For high ceilings, detectors may need to be spaced closer together.
Consult the manufacturer's guidelines for specific spacing requirements.
Clearance between cable tray and wet service pipe is maintained by using appropriate support systems and ensuring proper spacing.
Use support systems such as clamps, hangers, and brackets to secure the cable tray and wet service pipe at appropriate distances.
Ensure proper spacing between the cable tray and wet service pipe to prevent any contact or interference.
Follow industry standards and regulations for minimum clear...
Designing a CCTV system involves selecting appropriate cameras, DVR/NVR, and cables based on requirements.
Determine the coverage area and required resolution for each camera
Select suitable cameras (e.g. dome, bullet, PTZ) based on the environment
Choose a DVR/NVR with enough storage capacity and network connectivity
Use high-quality coaxial cables (e.g. RG59) for analog cameras or Ethernet cables for IP cameras
Consider u...
Harmonics in transformers are non-linear currents or voltages that can cause overheating, increased losses, and interference in electrical systems.
Harmonics are multiples of the fundamental frequency in the power system, typically caused by non-linear loads like variable frequency drives or rectifiers.
Impacts of harmonics include increased heating in transformers, higher losses, reduced power quality, and interference ...
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
Basics of maths and aptitude
based on 1 interview
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Electrical Engineer
19
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Structural Engineer
16
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Structural Design Engineer
15
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Electrical Design Engineer
11
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Mechanical Engineer
9
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Arup
AECOM
WSP
Ramboll