UNO Minda Interview Questions, Process, and Tips for Experienced

Some aptitude related questions

Q1. Quality department related question as SPC,msa,fmea,and process related
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Q1. Basica questions about our career and salary related
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Q1. What do you think about OEE?
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Q2. What is THE OLE?
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THE OLE stands for Total Human Error, a concept used in production management to quantify the total amount of human errors in a process.
• THE OLE is a metric used to measure the total amount of human errors in a production process.

• It helps identify areas where human errors are most prevalent and allows for targeted improvements.

• For example, if a production line has a high THE OLE score, it may indicate the need for addit
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Q1. Introduction/ relocation/working out of comfort zone/ outside office timings/ performance in previous companies
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Q1. Process/ product knowledge
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Q1. Where are you living?
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Q2. Why are you leaving your last company?
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Q1. Circuit diagram of relay holding.
Ans. 
A relay holding circuit diagram is used to keep the relay in the energized state even after the control signal is removed.
• The circuit typically includes a holding contact that maintains the relay coil energized.

• A latching relay can also be used for holding without continuous power supply.

• Examples: ladder logic diagram with a holding contact, latching relay circuit diagram.
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Q2. What is PNP and NPN
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PNP and NPN are types of bipolar junction transistors commonly used in electronic circuits.
• PNP transistor has a layer of N-type semiconductor between two layers of P-type semiconductor, while NPN transistor has a layer of P-type semiconductor between two layers of N-type semiconductor.

• In a PNP transistor, current flows from the emitter to the base and then to the collector, while in an NPN transistor, current flows fro...read more
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Q3. How many type of sensor?
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There are various types of sensors used for different purposes.
• Temperature sensors (e.g. thermocouples, thermistors)

• Pressure sensors (e.g. piezoelectric sensors)

• Motion sensors (e.g. accelerometers, gyroscopes)

• Proximity sensors (e.g. ultrasonic sensors)

• Light sensors (e.g. photodiodes, phototransistors)
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Q4. What is PLC and full form?
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PLC stands for Programmable Logic Controller, which is a digital computer used for automation of electromechanical processes.
• PLC is used to control machinery in manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability control.

• It is programmed using a specialized computer language, typically ladder logic or function block diagram.

• PLCs are commonly used in industrie...read more
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