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Burns & McDonnell Senior Electrical Engineer Interview Questions and Answers

Updated 27 Sep 2023

Burns & McDonnell Senior Electrical Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Sep 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. What is System studies
  • Ans. 

    System studies involve analyzing and evaluating the performance of electrical systems to ensure efficiency and reliability.

    • System studies involve analyzing the behavior of electrical systems under different operating conditions.

    • They help identify potential issues and optimize the performance of the system.

    • Examples of system studies include load flow analysis, short circuit analysis, and protection coordination studies.

  • Answered by AI
  • Q2. What is load flow study
  • Ans. 

    Load flow study is a method used in electrical engineering to analyze and calculate the flow of power in an electrical network.

    • Load flow study helps in determining the steady-state operating conditions of a power system.

    • It involves calculating the voltage magnitude and phase angle at each bus in the network.

    • The study considers factors like power generation, transmission line losses, and load demand.

    • It helps in identify...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be truthful. Don't give false experience in resume.

Senior Electrical Engineer Jobs at Burns & McDonnell

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Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - One-on-one 

(2 Questions)

  • Q1. Difference between MCB and MCCB
  • Ans. 

    MCB is a miniature circuit breaker used for low voltage applications, while MCCB is a molded case circuit breaker used for higher currents and voltages.

    • MCB is designed for low voltage applications, typically up to 1000V, while MCCB is designed for higher currents and voltages, typically up to 2500V.

    • MCB is usually thermal-magnetic in operation, while MCCB can be thermal-magnetic or electronic trip units.

    • MCB is compact i...

  • Answered by AI
  • Q2. Different types of Breaker
  • Ans. 

    Different types of breakers include circuit breakers, fuse breakers, and ground fault circuit interrupters.

    • Circuit breakers: Automatically switch off electrical circuits during abnormal conditions.

    • Fuse breakers: Use a fuse to interrupt the circuit when overloaded.

    • Ground fault circuit interrupters (GFCI): Detect imbalances in current flow to prevent electrical shocks.

    • Miniature circuit breakers (MCB): Provide protection ...

  • Answered by AI

Interview Questionnaire 

3 Questions

  • Q1. Lighting Levels for Indoor and outdoor, and calculation procedure
  • Ans. 

    Lighting levels for indoor and outdoor areas are determined based on the purpose of the space and the activities that take place.

    • Indoor lighting levels are typically measured in foot-candles or lux

    • Outdoor lighting levels are typically measured in lumens per square meter

    • Calculation procedures involve determining the required illuminance level for the space and selecting appropriate light fixtures and bulbs

    • Factors such a...

  • Answered by AI
  • Q2. Datasheet paramaters for equipment such and transformers and motors.
  • Q3. Cable glands and their application as per area
  • Ans. 

    Cable glands are used to secure and seal cables in various applications based on the area of installation.

    • Cable glands are used in hazardous areas to prevent the entry of flammable gases and liquids.

    • In outdoor applications, cable glands are used to protect cables from moisture and dust.

    • In industrial settings, cable glands are used to secure cables and prevent them from being pulled out.

    • Different types of cable glands a...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Basic electronics and electrical questions

Round 2 - Group Discussion 

Topic is About GenC and GenX

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Dec 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. About youself? Role and responsibilities? why are you interested?
  • Ans. 

    I am an experienced Electrical Engineer with a passion for designing and implementing innovative solutions.

    • I have a strong background in electrical engineering, with a focus on power systems and control systems.

    • I have successfully designed and implemented electrical systems for various projects, including commercial buildings and industrial plants.

    • I am skilled in using CAD software for electrical design and have experi...

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. About yourself? Role and responsibilities? day to day site work? what do u know about bechtel? Electrical safety? Drawing details?shop drawing? LOTO system? NC for quality and safety? Earthing system? powe...
Round 4 - HR 

(1 Question)

  • Q1. Documents? Current base salary? Expected base salary? Tentative date of joining?
  • Ans. 

    I can provide the required documents and discuss salary and joining details.

    • I can provide all necessary documents such as resume, certifications, and transcripts.

    • My current base salary is $X per year.

    • I expect a base salary in the range of $Y to $Z per year.

    • I am available to join within X weeks/months.

    • I can discuss further details during the interview.

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Self introduction & previous company experience
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(17 Questions)

  • Q1. What is load density?
  • Ans. 

    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 ...

  • Answered by AI
  • Q2. What will be short circuit current form 1000kVA TF (5% Z) on a panel and determine it’s CB Fault current rating? Which IEC Standard is used?
  • Ans. 

    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

  • Answered by AI
  • Q3. What will be cable size & CB rating for 50KW motor at 30m distance from panel?
  • Ans. 

    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...

  • Answered by AI
  • Q4. What is CRI? (Lighting design)
  • Ans. 

    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.

  • Answered by AI
  • Q5. What is UGR? (Lighting design)
  • Ans. 

    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...

  • Answered by AI
  • Q6. What is Uniformity factor? (Lighting design)
  • Ans. 

    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

  • Answered by AI
  • Q7. What is maintenance factor? (Lighting design)
  • Ans. 

    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...

  • Answered by AI
  • Q8. What are reflection index in rooms?
  • Ans. 

    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.

  • Answered by AI
  • Q9. How to design exit sign lighting in corridor or pathways? (Lighting design)
  • Ans. 

    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

  • Answered by AI
  • Q10. How to design earthing?
  • Ans. 

    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...

  • Answered by AI
  • Q11. What earth loop impedance?
  • Ans. 

    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...

  • Answered by AI
  • Q12. How to design transformer room?
  • Ans. 

    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

  • Answered by AI
  • Q13. How to size cable tray?
  • Ans. 

    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...

  • Answered by AI
  • Q14. How much spacing required between smoke detectors?
  • Ans. 

    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.

  • Answered by AI
  • Q15. How clearance maintained with cable tray and wet service pipe ?
  • Ans. 

    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...

  • Answered by AI
  • Q16. How to design CCTV system ? which cable used for CCTV?
  • Ans. 

    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...

  • Answered by AI
  • Q17. What is Harmonics in transformer? What are it’s impacts on system and how to reduce it?
  • Ans. 

    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 ...

  • Answered by AI
Round 2 - ToolTest 

(2 Questions)

  • Q1. Revit tool test: -Link Arch file. -Copy monitor all levels. -Create central file. -Create filter for power, lighting & cable tray. -Create workset for power, lighting. -Create view template. -Place panels ...
  • Q2. Post tool test questions. 1. What is Type & instance parameter? 2. What is view template & revit template? 3. Template file format? 4. How to do electrical distribution. 5. What is difference between navi...

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Valve CV Calculation

Interview Preparation Tips

Interview preparation tips for other job seekers - Core engineering exercise to be do before going for interview
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(3 Questions)

  • Q1. Why do you want to do job?
  • Q2. Why have you joined Electronics?
  • Q3. What is Ohm's law?
  • Ans. 

    Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

    • Ohm's law is represented by the equation I = V/R, where I is the current, V is the voltage, and R is the resistance.

    • It is named after Georg Simon Ohm, a German physicist who first formulated this law.

    • This law is applicable to all types of circuits, including DC and AC circuits.

    • It is use...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for AtkinsRealis Electrical Engineer interview:
  • IT
Interview preparation tips for other job seekers - I am one guy who is troubled for job I have done diploma in electrical branch. Due to not getting the right platform, I am busy on the job link.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

General knowlegde, Basic Aptitude, Domain Technical MCQ

Round 2 - Group Discussion 

Genx vs Genz, Altitude and comparsion

Round 3 - One-on-one 

(2 Questions)

  • Q1. Components of Transformer
  • Ans. 

    Components of a transformer include core, windings, and insulation.

    • Core: Provides a path for magnetic flux

    • Windings: Primary and secondary coils for inducing voltage

    • Insulation: Prevents short circuits and ensures safety

  • Answered by AI
  • Q2. Question based on series and parallel resistance

Burns & McDonnell Interview FAQs

How many rounds are there in Burns & McDonnell Senior Electrical Engineer interview?
Burns & McDonnell interview process usually has 2 rounds. The most common rounds in the Burns & McDonnell interview process are Resume Shortlist and Technical.
How to prepare for Burns & McDonnell Senior Electrical Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Burns & McDonnell. The most common topics and skills that interviewers at Burns & McDonnell expect are Electrical Engineering, Project Management, Electricals, EPC and Cable Sizing.
What are the top questions asked in Burns & McDonnell Senior Electrical Engineer interview?

Some of the top questions asked at the Burns & McDonnell Senior Electrical Engineer interview -

  1. What is System stud...read more
  2. What is load flow st...read more

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Burns & McDonnell Senior Electrical Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Burns & McDonnell Senior Electrical Engineer Salary
based on 36 salaries
₹8 L/yr - ₹20.1 L/yr
90% more than the average Senior Electrical Engineer Salary in India
View more details

Burns & McDonnell Senior Electrical Engineer Reviews and Ratings

based on 5 reviews

4.7/5

Rating in categories

3.8

Skill development

5.0

Work-life balance

4.8

Salary

5.0

Job security

4.8

Company culture

4.0

Promotions

4.5

Work satisfaction

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