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Two technicians are explaining how to measure turbocharger radial bearing clearance. Technician A says that while rotating the turbine wheel, you check for any binding or roughness. Technician B says that any contact between the compressor wheel and housing indicates that the center support bearings are excessively worn. Who is right?
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, used in statistics to quantify the degree to which individual data points differ from the mean value of the data set.
Sample Range
The difference between the largest and smallest values in a sample, indicating the spread of the data within the sample.
Process Mean
The average or mean value of a set of process measurements, representing its central tendency over time.
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