TUNE YOUR LOOP: Maintaining Pneumatic Components in Measurement and Control

TUNE YOUR LOOP: Questions to keep you sharp.

Tune Your Loop is a series of posts consisting of questions from ISA Training Courses.

1. According to ISA Standard S7.0.01, the maximum size for any particles suspended in instrument air is _____________ micrometers (1 micrometer =0.000001 meter).

  1. 2
  2. 10
  3. 40
  4. 100[/ordered_list}

2. A device within an instrument air system that provides cleaning of the airstream by
removing particulate matter from the dryer discharge is the ____________.

  1. aftercooler
  2. separator
  3. compressor
  4. afterfilter

3. Which of the following elements is designed to translate a pressure change to
motion, with the motion being used to move an indicator or initiate a pneumatic
signal.

  1. bellows
  2. bourdon tube
  3. diaphragm
  4. all of these

4. A pneumatic transmitter that uses a mechanism which generates a signal by
opposing forces rather than by palpable motion of its parts, is categorized as a
_____________ transmitter.

  1. force-balanced
  2. motion-balanced
  3. torque-balanced
  4. rotary balanced

 

What are your answers before you read ahead?

1. c

2. d

3. d

4. a

 

From the ISA Course Maintaining Pneumatic Components in Measurement and Control (TI06) pre-instructional survey.

 

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