Podcast
Questions and Answers
What is the formula for calculating the absolute static error?
What is the formula for calculating the absolute static error?
Absolute static error = Measured value - True value
What is the formula for calculating the relative static error?
What is the formula for calculating the relative static error?
Relative static error = (Absolute static error / True value) × 100
What is the significance of a positive relative static error?
What is the significance of a positive relative static error?
A positive relative static error indicates that the measured value is greater than the true value.
Can the measured value of an unknown quantity be less than the true value?
Can the measured value of an unknown quantity be less than the true value?
Signup and view all the answers
What is the purpose of calculating the relative static error?
What is the purpose of calculating the relative static error?
Signup and view all the answers
What is the main difference between the measured value and the true value of a measurand?
What is the main difference between the measured value and the true value of a measurand?
Signup and view all the answers
Why is it important to calculate the relative static error in addition to the absolute static error?
Why is it important to calculate the relative static error in addition to the absolute static error?
Signup and view all the answers
What does a positive relative static error indicate?
What does a positive relative static error indicate?
Signup and view all the answers
What is the purpose of calculating the percentage error?
What is the purpose of calculating the percentage error?
Signup and view all the answers
What is the relationship between the absolute static error and the relative static error?
What is the relationship between the absolute static error and the relative static error?
Signup and view all the answers
Study Notes
Types of Errors
- Dynamic Error: The difference between the true value of a time-varying quantity and the output value indicated by the instrument, assuming no static error.
Static Error
- Static Error or Absolute Static Error: The difference between the measured value and the true value of the measurand.
- Relative Static Error: The ratio of the static error to the true value, expressed as a percentage.
- % Error: (Static Error / True Value) × 100
Characteristics of Errors
- The measured value of the unknown quantity may be more than or less than the true value of the measurand.
- Limiting or guarantee errors are also types of errors that occur in measurement.
Error Types
- Dynamic Error: the difference between the true value of a time-varying quantity and the output value indicated by the instrument, assuming no static error.
Static Error
- Also known as absolute static error
- Calculated as: Measured Value - True Value
- The measured value of the unknown quantity may be more or less than the true value of the measurand.
Relative Static Error
- Calculated as: (Measured Value - True Value) / True Value
- Expressed as a percentage: ((Measured Value - True Value) / True Value) × 100
Limiting or Guarantee Errors
- No further explanation provided in the text.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Learn about dynamic error, which occurs when there's a difference between the true value of a time-varying quantity and the output value indicated by an instrument. This quiz covers the concept of dynamic error in measurement and its importance in instrumentation.
