NLMK India Interview Questions and Answers

Data type string in PLC is used to store alphanumeric characters or text data.

• String data type is used to store text data in PLC programming.

• Strings can be used to store alphanumeric characters, words, sentences, etc.

• Example: STRING name := 'John Smith';

MTTR stands for Mean Time To Repair and MTBF stands for Mean Time Between Failures.

• MTTR is the average time taken to repair a failed component or system.

• MTBF is the average time between failures of a component or system.

• MTTR is calculated as total downtime divided by the number of failures.

• MTBF is calculated as total uptime divided by the number of failures.

• For example, if a system has an MTTR of 2 hours and an MTBF of 100 hours, it means on average it takes 2 hours to repair...read more

Yes, I am familiar with PLC (Programmable Logic Controller).

• PLC is a digital computer used for automation of electromechanical processes.

• It is commonly used in industrial control systems.

• PLCs are programmed using ladder logic or other programming languages.

• They control various devices and processes, such as motors, valves, and sensors.

• PLCs are reliable and can handle complex control tasks.

• Example: PLCs are used in manufacturing plants to control assembly lines.

Maintenance and automation involve using technology to improve and streamline maintenance processes.

• Maintenance and automation aim to optimize maintenance activities and reduce downtime.

• Automation can be used to monitor equipment performance and detect potential issues.

• Predictive maintenance uses automation to analyze data and predict when maintenance is needed.

• Automated systems can schedule and prioritize maintenance tasks based on urgency and availability of resources.

• Autom...read more

I have highlighted key points in my CV from the beginning to the end.

• Started with educational background and relevant qualifications.

• Highlighted work experience and key achievements in each role.

• Included skills and competencies that are relevant to the Deputy Manager position.

• Mentioned any additional certifications or training programs completed.

• Concluded with a brief summary of career goals and aspirations.

• Provided contact information for further communication.

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.

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