LM Wind Power Quality Inspector Interview Questions and Answers

Q1. Pulling Sub Stesan Experience
Ans. 
Pulling sub-stesan experience
• Sub-stesan refers to a subset of a larger system or process

• Pulling sub-stesan experience means extracting relevant information from a smaller part of a system

• This experience can be useful in identifying and solving specific quality issues

• Examples include analyzing data from a specific production line or testing a particular component of a product
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90 question in 90 minutes are given

Q1. 30 question in 30 minutes are given
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Q2. Say something about your experience
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Q1. Electrical and electronics Power factor Motor
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Q1. What is sinosodal wave
Ans. 
A sinusoidal wave is a type of wave that has a smooth, repetitive oscillation resembling a sine curve.
• Sinusoidal waves are characterized by their amplitude, frequency, and phase.

• They are commonly seen in AC electrical circuits, sound waves, and light waves.

• The equation for a sinusoidal wave is typically represented as y = A*sin(2*pi*f*t + phi), where A is the amplitude, f is the frequency, t is time, and phi is the pha...read more
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Q2. What is peak factor
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Peak factor is the ratio of peak value to the RMS value of a waveform.
• Peak factor is used to quantify the peakiness of a waveform.

• It is calculated by dividing the peak value of the waveform by its RMS value.

• A higher peak factor indicates a more peaky waveform with larger peaks relative to the average value.

• Peak factor is important in signal processing and power systems analysis.
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Q3. What is motor Stator and rotor
Ans. 
The stator and rotor are key components of an electric motor. The stator is the stationary part that generates a magnetic field, while the rotor is the rotating part that interacts with the magnetic field to produce motion.
• Stator is the stationary part of an electric motor

• Stator generates a magnetic field

• Rotor is the rotating part of an electric motor

• Rotor interacts with the magnetic field generated by the stator to pr
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Q4. Motor is a electrical machine and electrical energy convert mechanical energy
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Q1. Fetch file from resources folder in java folder structure
Ans. 
To fetch a file from the resources folder in a Java folder structure, use ClassLoader.getResourceAsStream() method.
• Use ClassLoader.getResourceAsStream() method to load the file as an InputStream

• Specify the path to the file relative to the resources folder

• Handle the IOException that may be thrown
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Q2. Write xpaths of apple site menua
Ans. 
Xpaths of Apple site menu
• //*[@id='ac-globalnav']/div/ul/li[1]/a

• //*[@id='ac-globalnav']/div/ul/li[2]/a

• //*[@id='ac-globalnav']/div/ul/li[3]/a

• //*[@id='ac-globalnav']/div/ul/li[4]/a

• //*[@id='ac-globalnav']/div/ul/li[5]/a
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Q1. About generator alignment
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Q2. About generator slip
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Q3. About DFIG
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Q1. Functional and Work Experience related.
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Q1. Salary and Location Negotiations
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