15 Questions
What does the presence of measurement uncertainty mean?
The measuring instrument may give a deviated value of the measured quantity
Which type of error consistently occurs on one side of the correct reading in a measurement system?
Systematic errors
What can be a source of random errors in measurements taken by human observation of an analog meter?
Electrical noise
Which of the following is NOT a major source of systematic errors in a measurement system?
Bent meter needles
How can measurement errors be minimized?
By good measurement system design and appropriate analysis of data
Which type of error in a measurement system consistently occurs on one side of the correct reading?
Systematic errors
What describes perturbations of the measurement either side of the true value caused by random and unpredictable effects?
Random errors
Which of the following is a major source of systematic errors in a measurement system?
Drift in instrument characteristics
What is the effect of measurement uncertainty on the output of a measuring instrument?
It gives a deviated value of the measured quantity
What can be a source of random errors in measurements taken by human observation of an analog meter?
Electrical noise
What is the main characteristic of systematic errors in a measurement system?
They consistently occur on one side of the correct reading
Which of the following is NOT a major source of systematic errors in a measurement system?
Use of calibrated instruments
What are random errors in a measurement system caused by?
Random and unpredictable effects
What can be a source of random errors in measurements taken by human observation of an analog meter?
Interpolation between scale points
How can errors in measurement be minimized?
By good measurement system design and appropriate analysis
Explore the concept of measurement uncertainty and how it impacts the output of measuring instruments. Learn about ways to minimize errors and categorize them for better analysis.
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