Siemens Test Professional Interview Questions, Process, and Tips

Q1. Revere a String without using inbuilt methods
Ans. 
Reversing a string without using inbuilt methods
• Create an empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string
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Q2. Reverse using recursion Reverse using loop
Ans. 
Reverse array of strings using recursion and loop
• To reverse using recursion, pass the array without the first element to the recursive function until the array is empty

• To reverse using loop, iterate through the array from the end to the beginning and store each element in a new array
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Q1. Power System Harmonics,THD,TDD etc..
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Q2. Power Quality related definition,scope, mitigation etc
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Q3. IEC /IEEE standards on PQ issues
Ans. 
IEC/IEEE standards provide guidelines for addressing power quality issues in testing.
• IEC 61000 series provides standards for electromagnetic compatibility (EMC) testing

• IEEE 1159 standard focuses on monitoring and analyzing power quality

• IEC 61000-4-30 standardizes measurement methods for power quality parameters

• Compliance with these standards ensures reliable and accurate testing results
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Q4. Details of PQ Harmonics grid codes etc
Ans. 
PQ harmonics refer to the quality of power in electrical grids, including voltage and current harmonics.
• PQ harmonics are regulated by grid codes to ensure the quality of power supplied to consumers.

• Grid codes specify limits on harmonic distortion levels to prevent negative impacts on equipment and systems.

• Examples of grid codes include IEEE 519 and EN 50160.

• Harmonics can cause issues such as overheating in transformers
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Q5. PQ Monitoring, Analysis, Compliance evaluation methods etc
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Q6. Any application software,Power quality, Energy metering monitoring software works.
Ans. 
Yes, application software for power quality and energy metering monitoring works effectively.
• Application software can effectively monitor power quality and energy metering data

• These software can provide real-time data analysis and reporting

• Examples include Power Monitoring Software, Energy Management Software, and Smart Metering Software
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Q7. PQ DEVICE ,Meters , Communication protocol,Modbus,IEC 61850 etc.
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Q8. Basic Power system knowledge on Active,reactive,Apparent power,Energy,PF correction, Harmonics filter etc
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Q1. Same toppic as above in round-1 but with little indepth by different panel
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Present organization at PQ issues encountered? How mitigated,which PQ devices or analyzer used,How it's reported in software etc

Q1. Only Self introduction
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Q2. Study & work related
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Q3. Basic family background etc
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Q1. Technical networking questions
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Q2. Packet level basic questions
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Q1. OSI model and other networking questions for me because my interview is for networking testing
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Q2. Debugging from testing point of view
Ans. 
Debugging in testing involves identifying and fixing issues in software to ensure its functionality.
• Identify the root cause of the issue by reproducing the bug

• Use debugging tools like breakpoints, logging, and tracing to track the issue

• Collaborate with developers to resolve the bug efficiently

• Perform regression testing to ensure the fix did not introduce new issues
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Q1. General questions only
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Q2. Joining date and etc
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