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BDx Data Centers Interview Questions and Answers
9 Interview questions
An inverter is a device that converts direct current (DC) to alternating current (AC) for use in electrical systems.
Converts DC power to AC power
Used in solar power systems to convert DC power from solar panels to AC power for use in homes
Commonly used in uninterruptible power supply (UPS) systems to provide backup power during outages
Analog input/output refers to continuous signals while digital input/output refers to discrete signals in a BMS system.
Analog input/output involves continuous voltage or current signals, such as temperature or pressure readings.
Digital input/output involves discrete on/off signals, such as switch states or alarm triggers.
Analog signals are represented by a range of values, while digital signals are represented by ...
BMS system stands for Building Management System, which is a computer-based control system that manages and monitors a building's mechanical and electrical equipment.
BMS system controls and monitors HVAC systems, lighting, security, fire alarms, and other building systems.
It helps optimize energy usage, improve occupant comfort, and ensure efficient operation of building equipment.
BMS systems can be programmed to ...
UPS (Uninterruptible Power Supply) provides backup power, while PAC (Power Automation Controller) manages and optimizes power systems.
UPS ensures continuous power supply during outages, protecting sensitive equipment.
PAC monitors and controls electrical systems, optimizing energy usage and improving efficiency.
Example of UPS: A data center using UPS to prevent downtime during power failures.
Example of PAC: A smart...
Program to check if a given array of strings are palindromes or not.
Loop through each string in the array
Reverse the string and compare it with the original string
If they are equal, then it is a palindrome
Store the result in a new array
A confusion matrix is a table used to evaluate the performance of a classification model.
It shows the number of true positives, false positives, true negatives, and false negatives.
It helps in calculating various evaluation metrics like accuracy, precision, recall, and F1 score.
It is useful in identifying the strengths and weaknesses of a model and improving its performance.
Example: A confusion matrix for a binary...
Linear Regression is a statistical method to model the relationship between a dependent variable and one or more independent variables.
It is used to predict a continuous outcome variable based on one or more predictor variables.
It assumes a linear relationship between the dependent and independent variables.
It is commonly used in fields like finance, economics, and social sciences.
It can be simple linear regressio...
SQL joins combine data from two or more tables based on a related column. Order by sorts data in ascending or descending order. Delete removes rows from a table while truncate removes all rows.
SQL joins are used to combine data from two or more tables based on a related column.
Order by is used to sort data in ascending or descending order based on a specified column.
Delete removes rows from a table based on a spec...
Sampling is the process of selecting a subset of data from a larger population for analysis.
Types of sampling include random sampling, stratified sampling, cluster sampling, and systematic sampling.
Sampling is necessary when it is not feasible or practical to analyze the entire population.
Sampling can help reduce costs and time required for analysis.
Sampling can also help reduce bias in the analysis by ensuring th...
BDx Data Centers Interview Experiences
6 interviews found
Ashok Mahadev Sul
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Basic details regarding your professional journey.
- Q2. Current experience
(5 Questions)
- Q1. What is BMS sysytem❓
- Ans.
BMS system stands for Building Management System, which is a computer-based control system that manages and monitors a building's mechanical and electrical equipment.
BMS system controls and monitors HVAC systems, lighting, security, fire alarms, and other building systems.
It helps optimize energy usage, improve occupant comfort, and ensure efficient operation of building equipment.
BMS systems can be programmed to autom...
- Q2. What is analog and digital input or i/ o ❓
- Ans.
Analog input/output refers to continuous signals while digital input/output refers to discrete signals in a BMS system.
Analog input/output involves continuous voltage or current signals, such as temperature or pressure readings.
Digital input/output involves discrete on/off signals, such as switch states or alarm triggers.
Analog signals are represented by a range of values, while digital signals are represented by binar...
- Q3. UPS and PAC,working❓
- Ans.
UPS (Uninterruptible Power Supply) provides backup power, while PAC (Power Automation Controller) manages and optimizes power systems.
UPS ensures continuous power supply during outages, protecting sensitive equipment.
PAC monitors and controls electrical systems, optimizing energy usage and improving efficiency.
Example of UPS: A data center using UPS to prevent downtime during power failures.
Example of PAC: A smart grid...
- Q4. What is inverter❓
- Ans.
An inverter is a device that converts direct current (DC) to alternating current (AC) for use in electrical systems.
Converts DC power to AC power
Used in solar power systems to convert DC power from solar panels to AC power for use in homes
Commonly used in uninterruptible power supply (UPS) systems to provide backup power during outages
- Q5. Do u know the for which position your hiring❓
- Ans.
We are hiring a BMS Engineer to design, implement, and maintain building management systems for energy efficiency and automation.
Responsible for integrating HVAC, lighting, and security systems.
Example: Implementing a centralized control system for a commercial building.
Conducting regular system audits to ensure optimal performance.
Example: Using data analytics to identify energy-saving opportunities.
Collaborating with...
Interview Preparation Tips
- Basics of Current profile
Skills evaluated in this interview
Selected
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There were 2 interview rounds.
Excel skills, PowerBi skills, Data Analysis and Dashboarding skills.
Dashboard Creation, had to create a dashboard for a project they were about to undertake. Was given the basic idea of the project and it's requirements and asked to create a dashboard on application of my choice.
I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.
Dashboards for Talent Aquations and HR Department
(2 Questions)
- Q1. Personal questions and introductions
- Q2. Technical questions about MIS and Dashboards
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Career background and education
- Q2. Experience Brief
(3 Questions)
- Q1. JAVA OOPS ,collections
- Q2. Explain SQL joins,order by difference between delete and truncate.
- Ans.
SQL joins combine data from two or more tables based on a related column. Order by sorts data in ascending or descending order. Delete removes rows from a table while truncate removes all rows.
SQL joins are used to combine data from two or more tables based on a related column.
Order by is used to sort data in ascending or descending order based on a specified column.
Delete removes rows from a table based on a specified...
- Q3. Write program for palindrome.
- Ans.
Program to check if a given array of strings are palindromes or not.
Loop through each string in the array
Reverse the string and compare it with the original string
If they are equal, then it is a palindrome
Store the result in a new array
Interview Preparation Tips
Skills evaluated in this interview
I applied via Campus Placement
(3 Questions)
- Q1. What is Linear Regression ?
- Ans.
Linear Regression is a statistical method to model the relationship between a dependent variable and one or more independent variables.
It is used to predict a continuous outcome variable based on one or more predictor variables.
It assumes a linear relationship between the dependent and independent variables.
It is commonly used in fields like finance, economics, and social sciences.
It can be simple linear regression (on...
- Q2. What is confusion matrix ?
- Ans.
A confusion matrix is a table used to evaluate the performance of a classification model.
It shows the number of true positives, false positives, true negatives, and false negatives.
It helps in calculating various evaluation metrics like accuracy, precision, recall, and F1 score.
It is useful in identifying the strengths and weaknesses of a model and improving its performance.
Example: A confusion matrix for a binary clas...
- Q3. Explain Sampling , types of sampling , need of sampling
- Ans.
Sampling is the process of selecting a subset of data from a larger population for analysis.
Types of sampling include random sampling, stratified sampling, cluster sampling, and systematic sampling.
Sampling is necessary when it is not feasible or practical to analyze the entire population.
Sampling can help reduce costs and time required for analysis.
Sampling can also help reduce bias in the analysis by ensuring that th...
Interview Preparation Tips
- Machine Learning
- SQL
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Referral and was interviewed before Nov 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Related to work profile
- Q2. Related to interests
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. SDLC Model
Interview Preparation Tips
I appeared for an interview before Jun 2016.
Interview Questionnaire
1 Question
- Q1. Java related questions on Oops concept and Multithreading
Interview Preparation Tips
Experience: Simple aptitude and reasoning questions little java based programming
Tips: Basic programming knowledge and good aptitude
Duration: 1 hour
Total Questions: 60
Round: Technical Interview
Experience: Normal questions on Java, basic programming questions like reverse no. , String related and logical coding
Tips: What u mentioned on your resume go through that only, they will not ask apart from your resume
Skills: How Well You Are Able To Communicate What You Wanted To Tell, Programming
College Name: SRCEM
I appeared for an interview before Aug 2016.
Interview Preparation Tips
Experience: I am vinothkumar from Dindugal, I was studied computer engineering in Madurai institute of engineering and technology at sivagangai, I am quality controller in RR DONNELLY at Chennai, my experience 2 years, my family staying in native, my father palanichami he is a former, my mother tamilselvi she is home maker and my one yelder brother Vijayakumar he is driver, I am interested area software engineer, my hobbies are listening music, reading book and news paper, playing and watching cricket
Tips: No comments
Round: Test
Experience: I am vinothkumar from Dindugal, I was studied computer engineering in Madurai institute of engineering and technology at sivagangai, I am quality controller in RR DONNELLY at Chennai, my experience 2 years, my family staying in native, my father palanichami he is a former, my mother tamilselvi she is home maker and my one yelder brother Vijayakumar he is driver, I am interested area software engineer, my hobbies are listening music, reading book and news paper, playing and watching cricket
Tips: No comments
Total Questions: 15
Round: Test
Experience: See my mentality
Tips: No comments
Duration: 45 minutes
Round: Group Discussion
Experience: Communication
Tips: No comments
Skills: Communication And Confidence
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Overall Interview Experience Rating
based on 4 interview experiences
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BDx Data Centers Reviews and Ratings
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15-17 Yrs
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7-9 Yrs
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4-7 Yrs
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