40+ ReNew Interview Questions and Answers

To troubleshoot inverters, SCBs, transformers, and breakers, follow these pointers:

• Check for loose connections and wiring

• Inspect for physical damage or wear and tear

• Use a multimeter to test voltage and current

• Check for proper grounding

• Refer to manufacturer's manual for specific troubleshooting steps

Tools for cost estimation include cost estimating software, spreadsheets, historical data, and expert judgment.

• Cost estimating software: specialized software like CostWorks, RSMeans, or ProEst that help in creating accurate cost estimates

• Spreadsheets: using tools like Microsoft Excel to organize and calculate costs based on project requirements

• Historical data: analyzing past project costs to estimate future expenses

• Expert judgment: consulting with industry experts or experien...read more

I have worked with GE 1.5 MW turbines as a maintenance engineer.

• I was responsible for conducting regular maintenance checks on the turbines.

• I also oversaw any repairs or replacements that were needed.

• I worked closely with the operations team to ensure the turbines were running efficiently.

• I have experience with troubleshooting and diagnosing issues with the turbines.

• I have also worked with Siemens and Vestas turbines in previous roles.

The most popular semiconductor is silicon due to its abundance, versatility, and efficiency in electronic devices.

• Silicon is the most widely used semiconductor material in the electronics industry

• It is abundant in nature and has excellent electrical properties

• Silicon is used in a wide range of electronic devices such as transistors, diodes, and integrated circuits

Procurement is the process of acquiring goods or services, while sourcing is the act of finding suppliers or vendors.

• Procurement involves the purchasing of goods or services at the best possible price and quality.

• Sourcing focuses on identifying and selecting suppliers or vendors to fulfill procurement needs.

• Effective procurement and sourcing strategies can help organizations save costs and improve supply chain efficiency.

NPD (New Product Development) process involves idea generation, product design, development, testing, and launch.

• Idea generation: Brainstorming sessions, market research, customer feedback.

• Product design: Creating prototypes, refining features, ensuring functionality.

• Development: Engineering the product, manufacturing processes, quality control.

• Testing: Conducting trials, gathering feedback, making improvements.

• Launch: Marketing strategies, distribution channels, customer sup...read more

ZBC stands for Zero Based Costing, a method of budgeting in which all expenses must be justified for each new period. Should Costing is a process of estimating the cost of a product or service based on its materials, labor, and overhead.

• ZBC requires all expenses to be justified from scratch for each budgeting period

• Should Costing involves estimating the cost of a product or service based on its components and production processes

• ZBC helps in identifying unnecessary costs and ...read more

Safety for work at height is crucial to prevent accidents and injuries.

• Ensure proper training and certification for workers involved in work at height.

• Implement and enforce strict safety protocols and procedures, such as the use of fall protection equipment.

• Regularly inspect and maintain all equipment used for work at height to ensure their safety and functionality.

• Provide adequate supervision and monitoring to ensure compliance with safety measures.

• Promote a safety culture b...read more

OPM stands for Optical Power Meter. It is used to measure the power of optical signals in fiber optic networks.

• OPM is a device used to measure the power of optical signals in fiber optic networks.

• It is commonly used in telecommunications, data centers, and other industries that rely on fiber optic technology.

• OPMs are essential for ensuring the proper functioning and performance of fiber optic networks.

• They can help identify issues such as signal loss, attenuation, and faulty ...read more

Yes, I am able to conduct Root Cause Analysis (RCA), prepare a HSE plan, and identify members of an accident investigation team.

• Yes, I have experience in conducting Root Cause Analysis (RCA) to identify the underlying causes of incidents.

• Yes, I am capable of preparing a comprehensive Health, Safety, and Environment (HSE) plan to ensure compliance with regulations and promote a safe work environment.

• Members of an accident investigation team typically include HSE managers, supe...read more

The type of transistor depends on the material used for construction, such as bipolar junction transistors (BJTs) or field-effect transistors (FETs).

• Transistors can be categorized as bipolar junction transistors (BJTs) or field-effect transistors (FETs).

• BJTs are further classified as NPN or PNP based on the arrangement of semiconductor materials.

• FETs are classified as JFETs (Junction Field-Effect Transistors) or MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors).

• Com...read more

SAP is a software company that provides enterprise resource planning (ERP) solutions to businesses.

• SAP stands for Systems, Applications, and Products in Data Processing.

• It was founded in 1972 in Germany.

• SAP offers a wide range of software solutions for various industries such as finance, manufacturing, logistics, and more.

• SAP ERP is a popular solution for managing business processes such as procurement, inventory management, and sales.

• SAP also offers cloud-based solutions suc...read more

Strategic sourcing is a procurement process that involves analyzing the company's spending, identifying opportunities for cost savings, and developing long-term relationships with suppliers.

• Involves analyzing company's spending

• Identifying opportunities for cost savings

• Developing long-term relationships with suppliers

Contract management involves overseeing the creation, negotiation, execution, and monitoring of contracts to ensure compliance and maximize value.

• Involves creating, negotiating, executing, and monitoring contracts

• Ensures compliance with terms and conditions

• Maximizes value for all parties involved

• May involve tracking key contract milestones and deadlines

• Examples include vendor contracts, service agreements, and procurement contracts

My expected CTC is negotiable based on the job responsibilities and market standards.

• My expected CTC is based on my experience, skills, and the job responsibilities.

• I am open to discussing the compensation package based on the market standards.

• I am looking for a competitive salary that aligns with my qualifications and the industry norms.

Yes, I am interested in repair centre as I enjoy troubleshooting and fixing technical issues.

• I have a passion for problem-solving and enjoy working with my hands.

• I have experience repairing electronic devices such as smartphones and laptops.

• I am familiar with various tools and techniques used in repair work.

• I have a strong attention to detail and take pride in my workmanship.

MRP stands for Material Requirements Planning, a system used to manage and plan the production and inventory of materials.

• MRP helps in determining what materials are needed, when they are needed, and how much is needed for production.

• It helps in optimizing inventory levels, reducing lead times, and improving production efficiency.

• MRP software systems like SAP, Oracle, and Microsoft Dynamics are commonly used in businesses for effective planning.

Manufacturing engineering requires clear project establishment requirements for new projects.

• Clear understanding of project goals and objectives

• Detailed project plan with timelines and milestones

• Identification of required resources and equipment

• Risk assessment and mitigation plan

• Regular communication and collaboration with other departments

• Continuous improvement and optimization of manufacturing processes

Renewable industry is more focused on sustainability and environmental impact while automobile industry is more concerned with performance and speed.

• Renewable industry emphasizes on using eco-friendly materials and reducing carbon footprint

• Automobile industry prioritizes on improving engine efficiency and horsepower

• Renewable industry is more collaborative and open to sharing information and technology

• Automobile industry is more competitive and secretive about their technology...read more

Using PSCAD to create a grid-tied wind power plant

• Create a new project in PSCAD

• Design the wind turbine system with appropriate parameters

• Connect the wind turbine system to the grid

• Simulate the system to analyze its performance

• Optimize the design for maximum efficiency

SQL is a structured query language used for relational databases, while NoSQL is a non-relational database management system.

• SQL is table-based, with a predefined schema, while NoSQL is document-based, key-value pairs, graph databases, or wide-column stores.

• SQL is best suited for complex queries and transactions, while NoSQL is better for large amounts of data and scalability.

• Examples of SQL databases include MySQL, Oracle, and PostgreSQL, while examples of NoSQL databases in...read more

The tower loading is used extensively for efficient loading and unloading operations.

• Tower loading is commonly used in industries such as logistics, manufacturing, and construction.

• It helps in organizing and optimizing the loading and unloading process by utilizing vertical space efficiently.

• Tower loading systems can include conveyor belts, automated storage and retrieval systems, and robotic arms.

• Examples of tower loading equipment include vertical lift modules (VLMs) and au...read more

P2P Process stands for Procure-to-Pay Process, which involves the steps from requisition to payment for goods or services.

• Requisition: Request for goods or services needed by the organization.

• Purchase Order: Formal document authorizing the purchase.

• Receipt of Goods/Services: Verification of delivery.

• Invoice Processing: Receipt of invoice from supplier.

• Payment: Issuing payment to supplier.

• Reconciliation: Matching invoices with purchase orders and receipts.

BOM and BOS wise inspections are conducted at different stages to ensure quality assurance.

• BOM (Bill of Materials) inspections are conducted during the procurement stage to ensure that all the required materials are available and meet the required standards.

• BOS (Bill of Specifications) inspections are conducted during the production stage to ensure that the product is being manufactured as per the required specifications.

• Inspections are also conducted during the assembly stag...read more

JSA (Job Safety Analysis) with hazard is a process of identifying potential hazards in a job task and implementing safety measures to mitigate risks.

• JSA involves breaking down a job task into steps and identifying potential hazards at each step

• Hazard analysis helps in determining the likelihood and severity of potential risks

• Safety measures are then implemented to eliminate or reduce the identified hazards

• Examples of hazards in JSA include working at heights without fall prot...read more

The number of basement bolts needed will depend on the size and weight of the items being loaded or unloaded.

• The number of basement bolts required can vary based on the size and weight of the items being handled.

• It is important to ensure that the basement bolts are securely fastened to prevent any accidents or damage.

• Consulting with the manufacturer or following guidelines for specific equipment can help determine the appropriate number of basement bolts needed.

I have extensive expertise in electrical equipment, including installation, maintenance, and troubleshooting.

• Experience with various types of electrical equipment such as transformers, circuit breakers, and control panels

• Knowledge of electrical codes and regulations to ensure safety and compliance

• Ability to read and interpret electrical schematics and blueprints

• Skilled in diagnosing and repairing electrical issues efficiently

• Familiarity with testing equipment like multimeters...read more

ISO 9001 is a quality management system standard that helps organizations ensure their products and services meet customer requirements.

• ISO 9001 sets out the criteria for a quality management system and is based on a number of quality management principles including a strong customer focus, the involvement of top management, and a process approach.

• It helps organizations improve their processes to deliver consistent, high-quality products and services to customers.

• ISO 9001 cer...read more

There are various types of work permits, including hot work permits, confined space permits, electrical work permits, and excavation permits.

• Hot work permits are required for any work involving open flames or sparks, such as welding or cutting.

• Confined space permits are necessary for work in enclosed spaces with limited access, such as tanks or vessels.

• Electrical work permits are needed for any electrical installation, maintenance, or repair work.

• Excavation permits are requir...read more

Electrical safety is crucial in any workplace to prevent electrical hazards and accidents.

• Ensure all electrical equipment is properly maintained and inspected regularly.

• Provide proper training to employees on electrical safety procedures.

• Use appropriate personal protective equipment (PPE) when working with electricity.

• Follow lockout/tagout procedures when working on electrical equipment.

• Keep electrical cords and wires organized and out of the way to prevent tripping hazards.

• I...read more

Safety in confined spaces is crucial to prevent accidents and fatalities.

• Conduct a thorough risk assessment before entering a confined space

• Ensure proper ventilation and air quality

• Use appropriate personal protective equipment (PPE)

• Have a rescue plan in place and train all personnel involved

• Never work alone in a confined space

• Examples of confined spaces include tanks, silos, sewers, and tunnels

Job safety analysis is a process of identifying potential hazards in a job task and determining the best way to perform the task safely.

• Involves breaking down a job task into steps

• Identifying potential hazards for each step

• Determining safety measures to mitigate risks

• Ensuring all workers are trained on the safe procedures

• Regularly reviewing and updating the job safety analysis

Risk is the potential for harm or loss resulting from exposure to hazards.

• Risk is the likelihood of a negative event occurring.

• It involves assessing the probability and severity of potential harm.

• Examples include workplace accidents, natural disasters, and financial losses.

• Risk management strategies aim to minimize or mitigate potential risks.

The weight capacity of a tower crane varies depending on the model and specifications.

• The weight capacity of a tower crane can range from a few tons to over 20 tons.

• It is important to check the specifications of the specific tower crane in question to determine its weight capacity.

• Factors such as boom length, counterweight, and jib configuration can affect the weight capacity of a tower crane.

Useful things include knowledge, skills, resources, tools, communication, and problem-solving abilities.

• Knowledge: Having a deep understanding of the industry, company policies, and procedures.

• Skills: Being proficient in leadership, communication, decision-making, and conflict resolution.

• Resources: Utilizing available resources effectively to achieve goals and solve problems.

• Tools: Using technology and software to streamline processes and improve efficiency.

• Communication: Cle...read more

Working safely involves following safety protocols, using proper equipment, staying alert, and reporting hazards.

• Always wear appropriate safety gear such as helmets, gloves, and goggles

• Follow safety protocols and procedures set by the company

• Stay alert and aware of your surroundings to avoid accidents

• Report any hazards or unsafe conditions to your supervisor immediately

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of iron or steel.

• Examples of transformers include power transformers used in electrical substations and distribution transformers used in homes and buildings.

ISO is a set of international standards that ensure products and services are safe, reliable, and of good quality.

• ISO stands for International Organization for Standardization

• ISO standards cover various aspects such as quality management, environmental management, and information security

• ISO certification demonstrates that a company meets the requirements of specific ISO standards

• ISO 9001 is a common quality management standard that focuses on meeting customer requirements an...read more

DFIG converters are used in wind turbines to convert variable frequency AC power to DC power and back to AC power.

• DFIG stands for Doubly Fed Induction Generator

• The converter consists of two back-to-back voltage source converters

• One converter controls the rotor current and the other controls the grid current

• The rotor current is controlled to maintain a constant torque on the turbine

• The grid current is controlled to maintain a constant voltage and frequency on the grid

• DFIG conv...read more

Buchholz relay is a protective device used in oil-filled transformers to detect and prevent internal faults.

• Detects faults by monitoring gas and oil levels in the transformer

• Consists of a float switch and alarm contacts

• Triggers an alarm or trips the transformer if faults are detected

• Helps prevent major damage to the transformer

A line diagram of a wind turbine generator (WTG) shows the flow of energy from wind to electricity.

• The diagram typically includes the rotor blades, gearbox, generator, and power electronics

• The blades capture wind energy and turn the rotor, which drives the gearbox

• The gearbox increases the rotational speed and sends it to the generator

• The generator converts the rotational energy into electrical energy

• The power electronics convert the electrical energy to the correct voltage an...read more

Solar system DC working involves converting sunlight into electricity through photovoltaic cells.

• Solar panels absorb sunlight and convert it into DC electricity.

• DC electricity is then sent to an inverter to convert it into AC electricity for use in homes or businesses.

• DC working is essential for the overall functioning of a solar power system.