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Indian Railways Railway Signal Engineer Interview Questions and Answers

Updated 17 Nov 2021

Indian Railways Railway Signal Engineer Interview Experiences

1 interview found

Interview Questionnaire 

4 Questions

  • Q1. Re engagement as Signal engineer, 36 yrs experience.at kolkata
  • Q2. Suitable interview of any company at kolkata, mob -XXXXX
  • Q3. Job at kolkata daily alert.
  • Q4. Job vacency at Rly signal relay company or other signal related company.

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. What is name mangling?
  • Ans. 

    Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.

    • Name mangling is used in C++ to support function overloading.

    • It is also used in Python to avoid naming conflicts in modules.

    • Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.

    • In C++, name mangling can be seen by using the 'nm' comman

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

6 Questions

  • Q1. Explain abstract factory design pattern ?
  • Ans. 

    Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.

    • Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.

    • It provides an interface for creating objects of related classes without specifying their concrete classes.

    • It encapsulates a group of factories that have a common theme.

    • It promotes loose c...

  • Answered by AI
  • Q2. How do you do range based map iteration
  • Ans. 

    Range based map iteration can be done using a for-each loop or iterators.

    • Use a for-each loop to iterate over the map elements.

    • Alternatively, use iterators to traverse the map.

    • The range-based for loop is preferred for its simplicity and readability.

    • Example: for(auto const& [key, value] : myMap) { //do something with key and value }

  • Answered by AI
  • Q3. What are detached and joined threads
  • Ans. 

    Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.

    • Detached threads are created using pthread_detach() function

    • Joined threads are created using pthread_join() function

    • Detached threads do not need to be explicitly terminated

    • Joined threads must be explicitly terminated using pthread_exit() or return statement

    • Detached thread...

  • Answered by AI
  • Q4. What are static code analysis tools
  • Ans. 

    Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.

    • Static code analysis tools scan code without executing it

    • They can detect issues such as security vulnerabilities, coding errors, and performance problems

    • Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle

  • Answered by AI
  • Q5. Command to list currently running threads in linux
  • Ans. 

    Command to list currently running threads in linux

    • Use the 'ps' command with the 'H' option to display threads in a hierarchy

    • Use the 'top' command to display threads in real-time

    • Use the 'htop' command for an interactive display of threads

  • Answered by AI
  • Q6. Can we perform arithmetic operation on Unique pointer
  • Ans. 

    No, arithmetic operations cannot be performed on unique pointers.

    • Unique pointers are used to manage the lifetime of dynamically allocated objects.

    • They cannot be copied or assigned, only moved.

    • Arithmetic operations are not defined for pointers, including unique pointers.

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Design facebook
  • Ans. 

    Designing Facebook is a complex task involving various components and technologies.

    • Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.

    • Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.

    • Ensure scalability and performance by implementing caching, load balancing, and database sharding.

    • Implement security measures...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Database, logical reasoning

Skills evaluated in this interview

I applied via Job Fair and was interviewed before May 2021. 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 Resume tips
Round 2 - HR 

(1 Question)

  • Q1. What is your job role

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and strive hard to achieve what you desire

I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Open pump house and Tunnels
  • Q2. Road and

Interview Preparation Tips

Interview preparation tips for other job seekers - Navayaga engineering company Ltd

I applied via Recruitment Consulltant and was interviewed before Feb 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Open pump house and Tunnels
  • Q2. Road and

Interview Preparation Tips

Interview preparation tips for other job seekers - Navayaga engineering company Ltd

I applied via Company Website and was interviewed in Nov 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. About work experience and responsibilities
  • Q2. Why you are leaving to present job

Interview Preparation Tips

Interview preparation tips for other job seekers - Maintain your confidence level, give suitable answer if you know otherwise say sorry and move to next question....
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Tell me how you you;ll be able to fit a motor and and inverter within half meter cube area
  • Ans. 

    By carefully designing the layout and components, utilizing compact and efficient motor and inverter models, and optimizing the wiring and cooling systems.

    • Utilize compact and efficient motor and inverter models

    • Carefully design the layout to maximize space utilization

    • Optimize wiring and cooling systems to minimize space requirements

  • Answered by AI
  • Q2. Do you know about safety standards used in Automotive Industry
  • Ans. 

    Yes, safety standards in the Automotive Industry are crucial for ensuring the well-being of both drivers and passengers.

    • Knowledge of standards such as ISO 26262 for functional safety in automotive systems

    • Understanding of crash test ratings and regulations like FMVSS (Federal Motor Vehicle Safety Standards)

    • Awareness of safety features like ABS (Anti-lock Braking System) and ESC (Electronic Stability Control)

    • Experience w...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - In automobile industry, generally automobile experience is valued and sought for.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jun 2022. There was 1 interview round.

Round 1 - Technical 

(4 Questions)

  • Q1. What is vrrp and harp and how it functions?
  • Ans. 

    VRRP (Virtual Router Redundancy Protocol) and HARP (High Availability Redundancy Protocol) are protocols used for providing redundancy in network routing.

    • VRRP is used to provide a virtual IP address that multiple routers can share, ensuring high availability in case of router failure.

    • HARP is a proprietary protocol developed by Cisco that also provides redundancy by allowing multiple routers to share a virtual IP addres...

  • Answered by AI
  • Q2. What is router and firewall and state difference?
  • Ans. 

    A router is a networking device that forwards data packets between computer networks, while a firewall is a security system that monitors and controls incoming and outgoing network traffic.

    • Router directs traffic between different networks based on IP addresses.

    • Firewall filters network traffic based on predetermined security rules.

    • Routers operate at layer 3 (network layer) of the OSI model, while firewalls operate at la...

  • Answered by AI
  • Q3. What is dwdm and it's components?
  • Ans. 

    DWDM stands for Dense Wavelength Division Multiplexing, a technology used in fiber optic communications.

    • DWDM is a technology that allows multiple data signals to be transmitted simultaneously over a single fiber optic cable.

    • Components of DWDM include lasers, multiplexers, demultiplexers, optical amplifiers, and dispersion compensators.

    • DWDM systems use different wavelengths of light to carry multiple data streams, incre...

  • Answered by AI
  • Q4. Osi reference model explanation?
  • Ans. 

    The OSI reference model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.

    • The OSI model stands for Open Systems Interconnection model.

    • It helps in understanding how different networking protocols work together.

    • Each layer has specific functions and communicates with adjacent layers.

    • Examples of layers include physical layer, data link layer, net

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Bharti Airtel Senior Engineer interview:
  • Routing Protocols
  • MPLS Network
Interview preparation tips for other job seekers - Prepare well for the interview and your job security is here if you are willing to work.

Skills evaluated in this interview

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Indian Railways Interview FAQs

What are the top questions asked in Indian Railways Railway Signal Engineer interview?

Some of the top questions asked at the Indian Railways Railway Signal Engineer interview -

  1. Suitable interview of any company at kolkata, mob -XX...read more
  2. Re engagement as Signal engineer, 36 yrs experience.at kolk...read more
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Indian Railways Railway Signal Engineer Interview Process

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Indian Railways Railway Signal Engineer Salary
based on 4 salaries
₹3.8 L/yr - ₹9 L/yr
53% more than the average Railway Signal Engineer Salary in India
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Indian Railways Railway Signal Engineer Reviews and Ratings

based on 2 reviews

5.0/5

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