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Author Question: The rotating motor-driven drum used to document the bell movement of a water-sealed spirome-ter is ... (Read 116 times)

cabate

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on: Jul 16, 2018
The rotating motor-driven drum used to document the bell movement of a water-sealed spirome-ter is known as which of the following?
 
  a. Spirograph c. Anemometer
  b. Kymograph d. Pneumotachograph

Question 2

The precision of an instrument depends on:
 
  a. linearity. c. repeatability.
  b. calibration. d. frequency of re-sponse.


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spencer.martell

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
This is the definition of a kymograph.

Answer to Question 2

ANS: C
An instrument's precision can be quantified by calculating the standard deviation of repeated measurements. Precision is the expression of an instrument's ability to reproduce a measurement.


cabate

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Reply #2 on: Jul 16, 2018
Thank you :)


spencer.martell

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Reply #3 on: Jul 16, 2018
Happy to help you


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