40+ Resident Engineer Interview Questions and Answers

PLC stands for Programmable Logic Controller. It is a digital computer used for automation of electromechanical processes.

• PLC is used to control industrial processes and machinery.

• It uses a programmable memory to store instructions and execute them.

• PLCs are commonly used in manufacturing, power plants, and transportation systems.

• They can be programmed using ladder logic, function block diagrams, or structured text.

• PLCs provide real-time monitoring and control of inputs and ou...read more

The cost of one km of new OHE supply and installation varies depending on several factors.

• The cost can vary based on the location and terrain of the installation site.

• The type and quality of materials used can also impact the cost.

• Labor costs, including skilled technicians and engineers, need to be considered.

• Additional costs may include equipment rental, transportation, and permits.

• Examples of factors affecting cost: distance from the power source, ground conditions, accessi...read more

The rating of LA used at 25kv side in switching station and Traction sub station depends on the specific requirements and design of the stations.

• The rating of LA (Lightning Arrester) at the 25kv side in switching station and Traction sub station is determined based on the voltage level and the expected lightning surge levels.

• The LA rating is typically specified in terms of voltage withstand capability and energy absorption capacity.

• The rating of LA may vary depending on the s...read more

Impedance is the opposition to the flow of alternating current in a transformer, while efficiency is the ratio of output power to input power.

• Impedance is the total opposition to the flow of alternating current in a transformer, including resistance and reactance.

• Efficiency of a transformer is the ratio of output power to input power, expressed as a percentage.

• Higher impedance in a transformer can lead to voltage drops and inefficiencies.

• Efficiency can be improved by using hi...read more

Manpower requirement per unit for MEP Works is calculated based on the scope of work, complexity, and size of the project.

• Calculate the total scope of work for MEP Works including design, installation, testing, and commissioning.

• Consider the complexity of the project - for example, a high-rise building will require more manpower than a small office space.

• Factor in the size of the project - larger projects will require more manpower to complete within the specified timeline.

• Co...read more

Using 2*25 over 1*25 OHE provides redundancy and reliability in case of failures.

• 2*25 OHE provides redundancy in case of a single line failure

• 2*25 OHE allows for maintenance on one line while the other remains operational

• 2*25 OHE increases reliability and reduces downtime compared to 1*25 OHE

ERP modules cover various business processes like finance, HR, inventory, etc. ERP is used to integrate and streamline these processes.

• ERP modules include finance, HR, inventory, supply chain, customer relationship management, etc.

• ERP is used to integrate and streamline business processes, improve efficiency, reduce costs, and provide real-time data for decision-making.

• For example, an ERP system can automate financial processes like invoicing and payment processing, track inv...read more

Safety in OHE and PSI work in Railway is crucial to prevent accidents and ensure smooth operations.

• Regular inspection and maintenance of overhead equipment (OHE) to prevent failures

• Proper training of personnel working on OHE and PSI to ensure they follow safety protocols

• Use of personal protective equipment (PPE) such as helmets, gloves, and safety harnesses

• Implementation of safety procedures like lockout-tagout (LOTO) before starting work

• Adherence to speed limits and signalin...read more

An IP address is a unique identifier assigned to each device on a network, while DHCP is a protocol that automatically assigns IP addresses to devices.

• IP address is a numerical label assigned to each device connected to a network

• DHCP stands for Dynamic Host Configuration Protocol and automatically assigns IP addresses to devices on a network

• To configure an IP address, you can do it manually by entering the IP address, subnet mask, default gateway, and DNS server in the networ...read more

Al2O3 is aluminum oxide abrasive while silica abrasive is made from silicon dioxide.

• Al2O3 is harder than silica abrasive

• Al2O3 is more commonly used for grinding metals while silica abrasive is used for softer materials like wood or plastic

• Silica abrasive is more heat resistant compared to Al2O3

Windows Server is an operating system designed by Microsoft for server computers.

• Windows Server is an operating system specifically designed for server computers.

• It provides various server-related services such as file sharing, networking, and security.

• Network layer refers to the third layer of the OSI model responsible for routing and forwarding data packets.

• Outlook configuration involves setting up the Microsoft Outlook email client to send and receive emails.

• Active Directo...read more

Zero correction in post-tensioning refers to the adjustment made to the prestressing force to account for the elongation of the tendons.

• Zero correction compensates for the elongation of the tendons due to the relaxation of steel and creep of concrete.

• It ensures that the desired prestressing force is achieved after the relaxation of the tendons.

• The correction is calculated based on the initial elongation of the tendons and the expected relaxation.

• For example, if the initial el...read more

I have knowledge about networking protocols, network design, troubleshooting, and security.

• Understanding of TCP/IP, DNS, DHCP, and other networking protocols

• Experience in designing and implementing network infrastructures

• Ability to troubleshoot network issues and perform network analysis

• Knowledge of network security principles and best practices

• Familiarity with network hardware such as routers, switches, and firewalls

I would use a 125mm diameter cutter on a 125 length cube.

• Select a cutter with a diameter of 125mm to match the length of the cube

• Ensure the cutter is suitable for cutting through the material of the cube

• Consider the depth of cut required for the cube

T568 A and T568 B are colour coding standards used for Ethernet cables.

• T568 A uses green and orange pairs for transmitting and receiving data, respectively.

• T568 B uses orange and green pairs for transmitting and receiving data, respectively.

• Both standards use blue and brown pairs for other purposes such as power and grounding.

• It is important to use the same standard on both ends of the cable for proper communication.

Handled over 10,000 tags in a SCADA system. IEC 104 protocol is used for real-time data communication in power systems.

• Handled over 10,000 tags in a SCADA system

• IEC 104 protocol is used for real-time data communication in power systems

The OSI model has 7 layers that define how data is transmitted over a network.

• The OSI model stands for Open Systems Interconnection model

• The 7 layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application

• Each layer has a specific function in the communication process

• Example: The Physical layer deals with the physical transmission of data through cables or wireless signals

• Example: The Application layer deals with user interfaces and application-le...read more

Yes, I have knowledge on Linux.

• Proficient in using Linux command line interface

• Experience with Linux system administration tasks

• Familiar with shell scripting and automation on Linux

• Knowledge of package management and software installation on Linux

• Understanding of Linux file system and permissions

Titanium is lighter, stronger, more corrosion resistant, and biocompatible compared to steel.

• Titanium is lighter in weight than steel, making it ideal for applications where weight is a concern.

• Titanium is stronger than steel, with a higher strength-to-weight ratio.

• Titanium is more corrosion resistant than steel, especially in harsh environments.

• Titanium is biocompatible, making it suitable for medical implants and surgical instruments.

Network related issues can be resolved by troubleshooting, analyzing logs, checking configurations, and collaborating with network teams.

• Identify the issue by gathering information from users and monitoring tools

• Troubleshoot the problem by checking network configurations and logs

• Collaborate with network teams to resolve complex issues

• Implement solutions such as adjusting firewall rules or updating firmware

• Test the network to ensure the issue is resolved

Networking is the backbone of modern communication systems.

• Understanding of network protocols such as TCP/IP, DNS, DHCP, etc.

• Experience with network hardware such as routers, switches, firewalls, etc.

• Knowledge of network security and best practices.

• Ability to troubleshoot network issues and optimize network performance.

• Familiarity with network monitoring tools and software.

• Examples: Cisco CCNA certification, experience with configuring VLANs, knowledge of VPN technologies.

A domain is a network of computers that are managed by a central authority. To join a domain, a computer must be connected to the network and configured with the appropriate settings.

• A domain is a group of computers and devices that are managed by a central server.

• To join a domain, a computer must be connected to the network where the domain is located.

• The computer must be configured with the domain name, username, and password to join the domain.

• Once joined, the computer can...read more

Switches can be configured through the command line interface or web interface using protocols like SNMP, SSH, Telnet, etc.

• Access the switch's configuration mode

• Configure VLANs, ports, and interfaces

• Set up security features like access control lists and port security

• Enable protocols like Spanning Tree Protocol and Link Aggregation Control Protocol

• Save and backup configurations for future use

Abrasives are materials used for grinding, polishing, or cleaning surfaces by wearing away material through friction.

• Abrasives are commonly used in industrial applications for grinding, cutting, polishing, and sanding

• Examples of abrasives include sandpaper, grinding wheels, and polishing compounds

• Different abrasives have varying levels of hardness and are used for different applications

A storage device is a hardware device that stores data, files, and information.

• Examples include hard disk drives, solid-state drives, USB flash drives, and memory cards.

• Storage devices can be internal or external to a computer system.

• They are used to store and retrieve data and files for later use.

• Storage capacity and speed are important factors to consider when choosing a storage device.

SS316 is a type of stainless steel known for its corrosion resistance and high temperature strength.

• Contains 16-18% chromium

• Contains 10-14% nickel

• Contains 2-3% molybdenum

• Also contains small amounts of carbon, manganese, silicon, phosphorus, sulfur, and nitrogen

The formula of carbide is typically represented as MC or M2C, where M is a metal element.

• Carbide formula is usually represented as MC or M2C

• M represents a metal element in the formula

• Examples include calcium carbide (CaC2) and tungsten carbide (WC)

DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol that automatically assigns IP addresses to devices.

• DHCP assigns IP addresses to devices on a network

• It also provides other network configuration information such as subnet mask and default gateway

• DHCP servers can be configured to assign specific IP addresses to specific devices based on their MAC addresses

• DHCP lease time determines how long a device can use an assigned IP address before it must requ...read more

Increasing RAM and ROM can be done by upgrading hardware components or optimizing software usage.

• Upgrade RAM by installing additional memory modules.

• Upgrade ROM by replacing the existing chip with a larger capacity one.

• Optimize software to reduce memory usage and improve performance.

• Consider using virtual memory or external storage for additional memory space.

Laptops can be formatted by reinstalling the operating system, wiping the hard drive, and reinstalling necessary software.

• Back up important data before formatting

• Use a bootable USB or CD with the operating system installation files

• Follow on-screen instructions to format the hard drive and reinstall the OS

• Install necessary drivers and software after formatting

Durability of concrete refers to its ability to withstand various environmental conditions and maintain its structural integrity over time.

• Durability of concrete is influenced by factors such as water/cement ratio, quality of materials, curing methods, and environmental exposure.

• Proper mix design and construction practices can enhance the durability of concrete structures.

• Examples of durability issues in concrete include cracking, spalling, and corrosion of reinforcement due ...read more

To manage a project, establish clear goals, create a detailed plan, communicate effectively, monitor progress, and adapt as needed.

• Define project scope and objectives

• Develop a project plan with timelines and milestones

• Communicate with stakeholders regularly

• Track progress and adjust plan as needed

• Manage risks and issues

• Ensure quality control

• Motivate team members and manage conflicts

• Evaluate project success and identify areas for improvement

An IP address is a unique numerical identifier assigned to devices connected to a network.

• IP stands for Internet Protocol

• It consists of four sets of numbers separated by dots

• It identifies the location of a device on a network

• It allows devices to communicate with each other over the internet

• Example: 192.168.1.1

Networking is the process of connecting devices and systems to share information and resources.

• Networking involves the use of hardware and software to connect devices and systems.

• It enables communication and sharing of information and resources between devices and systems.

• Examples of networking technologies include LAN, WAN, Wi-Fi, Bluetooth, and the internet.

• Networking also involves protocols and standards that govern communication between devices and systems.

• Networking is e...read more

I have 5+ years of experience in network engineering, including designing, implementing, and troubleshooting complex networks.

• Designed and implemented secure network infrastructures for various organizations

• Configured and maintained routers, switches, firewalls, and other network devices

• Performed network troubleshooting to identify and resolve connectivity issues

• Implemented network monitoring tools to ensure optimal performance

• Collaborated with cross-functional teams to plan ...read more

Color coding is used to identify the correct crimping tool and die size for a specific wire gauge.

• Different colors represent different wire gauges

• Matching the color of the wire with the color on the crimping tool ensures the correct die size is used

• Color coding is industry standard and helps prevent errors and ensure safety

• Examples of color coding include red for 22-18 AWG, blue for 16-14 AWG, and yellow for 12-10 AWG

Ms office license type refers to the type of license purchased for Microsoft Office software.

• There are different types of MS Office licenses such as Home & Student, Home & Business, and Professional.

• Each license type offers different features and pricing options.

• Some licenses may be for a single user while others may be for multiple users or devices.

• Subscription-based licenses like Office 365 offer regular updates and cloud storage.

• Volume licensing is available for businesses...read more

I have experience working with various field instrumentation such as pressure transmitters, flow meters, level sensors, and temperature sensors.

• Calibrating and maintaining field instruments

• Troubleshooting instrumentation issues

• Installing new instruments as per specifications

• Programming PLCs for instrument integration

Transformer testing procedures ensure operational efficiency and safety through various diagnostic tests.

• Visual Inspection: Check for physical damage, oil leaks, and corrosion.

• Insulation Resistance Test: Measure insulation resistance to ensure safety and performance.

• Turns Ratio Test: Verify the turns ratio to ensure proper voltage transformation.

• Power Factor Test: Assess the power factor to evaluate insulation condition.

• Sweep Frequency Response Analysis: Identify mechanical i...read more

Yes, Windows 10 operating system is installed.

• The computer is running on Windows 10.

• The user interface and features of Windows 10 are present.

• Applications and programs compatible with Windows 10 can be installed and run.

• Windows 10 updates are available and can be installed.

• Windows 10 system requirements are met.

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

• The OSI model stands for Open Systems Interconnection model.

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

• Each layer in the OSI model has specific functions and communicates with adjacent layers.

• Examples of OSI model layers include physical layer, data link layer, network layer, transport layer, etc.