DFXBOT Interview Questions and Answers

Q1. What is the difference between surge and est test.
Add your answer
Q2. What is the eft, what is the procedure for RI and RS test. What is the CE and CS testing.
Add your answer

Q1. What is the most challenging aspect of the EMI/EMC testing process?
Add your answer
Q2. What steps should be taken to prepare for a conducted susceptibility test?
Add your answer

Q1. The purpose of the call was to assess the suitability for the role for which I was being considered.
Add your answer
Q2. What is your skill set, and how many years of experience do you have in each of those skills?
Ans. 
I have a strong skill set in programming languages such as Java, Python, and C++, with over 5 years of experience in each.
• Java - 7 years of experience, used in developing enterprise applications

• Python - 5 years of experience, used for data analysis and automation scripts

• C++ - 6 years of experience, used in embedded systems programming
Answered by AI
Add your answer

Q1. Can you provide an in-depth overview of the project?
Ans. 
The project is a web-based application for managing inventory and sales for a retail company.
• Developed using Java Spring framework

• Utilizes MySQL database for storing data

• Includes features such as user authentication, product management, and sales tracking
Answered by AI
Add your answer
Q2. Few cross-questions regarding the projects.
Add your answer

Q1. Soft skills, strength and weakness discussion.
Add your answer
Q2. Salary and notice period discussion.
Add your answer

Q1. What is circuit breakers
Add your answer
Q2. What is difference contractor or relay
Add your answer
Q3. What is difference neutral or earthing
Add your answer
Q4. What is star or delta
Add your answer
Q5. What is use contractor
Add your answer

Q1. Pump and it's types it's API and design
Ans. 
Pumps are devices used to move fluids through a system. There are various types of pumps such as centrifugal, positive displacement, and reciprocating pumps.
• Types of pumps include centrifugal, positive displacement, and reciprocating pumps

• API standards for pumps include API 610 for centrifugal pumps and API 674 for reciprocating pumps

• Pump design considerations include flow rate, pressure, material compatibility, and ef
Answered by AI
Add your answer
Q2. Storage tank design, API and types of ST
Ans. 
Storage tank design involves following API standards and various types of storage tanks.
• API standards such as API 650 for welded steel tanks and API 620 for large, field-erected tanks

• Types of storage tanks include atmospheric storage tanks, pressure storage tanks, and refrigerated storage tanks

• Design considerations include material selection, tank size, pressure requirements, and safety features
Answered by AI
Add your answer
Q3. Types of Stainer
Ans. 
Types of strainers include Y-strainers, basket strainers, duplex strainers, and temporary cone strainers.
• Y-strainers are used for applications with low flow rates and are easy to clean.

• Basket strainers are commonly used in pipelines to remove larger particles.

• Duplex strainers have two separate strainer baskets for continuous operation.

• Temporary cone strainers are used during commissioning or maintenance to prevent debr
Answered by AI
Add your answer
Q4. CIP process
Add your answer
Q5. Equipment hygiene?
Add your answer
Q6. PSV and PRV design
Add your answer
Q7. Use of Dimension less number
Ans. 
Dimensionless numbers are used in engineering to simplify equations and compare different systems.
• Dimensionless numbers help in scaling and comparing physical phenomena without the need for specific units.

• Examples include Reynolds number in fluid mechanics, Mach number in aerodynamics, and Peclet number in heat transfer.

• They provide insight into the dominant forces or mechanisms in a system.

• Dimensionless numbers are us...read more
Answered by AI
Add your answer
Q8. Line Sizing procedure
Ans. 
Line sizing procedure involves determining the appropriate diameter of pipes for a given flow rate and pressure drop.
• Calculate the required flow rate and pressure drop for the system

• Use fluid properties and pipe material to determine the appropriate pipe size

• Consider factors such as velocity, friction loss, and future expansion

• Ensure the selected pipe size meets safety and regulatory requirements

• Common methods include ...read more
Answered by AI
Add your answer
Q9. Heat exchanger design
Ans. 
Heat exchanger design involves selecting the appropriate type, size, and materials to efficiently transfer heat between two fluids.
• Consider the type of heat exchanger needed (e.g. shell and tube, plate heat exchanger)

• Calculate the required heat transfer area based on heat load and temperature difference

• Select materials compatible with the fluids and operating conditions

• Optimize flow rates to maximize heat transfer effi
Answered by AI
Add your answer
Q10. Software handling, HTRI, Aspen
Add your answer

Q1. Willing to travel abroad
Ans. 
Yes, I am willing to travel abroad for work.
• I am open to new experiences and cultures

• I understand the importance of global collaboration in engineering projects

• I have previous experience traveling for work or education

• I am willing to adapt to different working environments and challenges
Answered by AI
Add your answer
Q2. Why you left your previous job
Ans. 
Seeking new challenges and opportunities for growth
• Desire for career advancement

• Looking for new challenges

• Opportunity for professional growth

• Seeking better work-life balance
Answered by AI
Add your answer

Q1. Write a program to run a single push button functionality.
Add your answer
Q2. What are some key aspects of communication protocols?
Add your answer

Q1. Resume and project based + basic questions
Add your answer

Q1. Tech round with director of mobile engineering
Add your answer

Q1. Basic questions about resume and projects
Add your answer

Q1. Resume based and personality based
Add your answer

3 coding questions were given and all should have to be passed for the next round

Q1. It was based purely on resume
Add your answer
Q2. No hr. Only technical round
Add your answer