Nagata India Senior Engineer Interview Questions and Answers

Q1. Abot power plant basics
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Q1. About name and salary negotiations
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Q1. Question related to working field
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Q1. About my job professiinal
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Q2. Details about work profile
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Q1. Automation related questions basic of PLC like AB and Siemens make plc,encoder,pannel min earthing voltage, scada,starter software
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Q2. Electrical maintenance related questions basics
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Q3. What Is MTTR and MTBF
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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...read more
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Q4. Substation related questions basics
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Q5. What is data type,string in plc
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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';
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Q1. 1) overhauling of maintenance. 2) what is the function of cooling tower.
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A cooling tower is a device used to remove heat from a building or industrial process.
• The function of a cooling tower is to cool down water or other fluids by extracting heat from them.

• Cooling towers are commonly used in HVAC systems, power plants, and industrial processes.

• They work by evaporating a small portion of the water, which removes heat and cools down the remaining water.

• The cooled water is then circulated bac...read more
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Q2. How to dismental of boiler feed pump
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To dismantle a boiler feed pump, follow these steps
• Isolate the pump from the power source and drain the water from the system

• Remove the coupling and motor from the pump

• Disconnect the suction and discharge piping from the pump

• Remove the bolts and nuts that hold the pump casing together

• Lift the casing off the pump and remove the impeller and shaft

• Inspect and clean all parts before reassembling or replacing
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