TUNE YOUR LOOP: Questions to keep you sharp.

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

1. You have an standard pneumatic instrument loop with a span of 200 units, what is the steady state gain?

[ordered_list style=”lower-alpha”]
  1. a. .06 PSI/unit
  2. b. .12 PSI/unit
  3. c. .075PSI/unit
  4. d. .08PSI.unit[/ordered_list]

2. _______ control is often used when a specific blend of two different materials is required.

[ordered_list style=”lower-alpha”]
  1. cascade
  2. ratio
  3. feed forward
  4. feedback[/ordered_list]

3. There are a total of ________time constant adjustments from the start point of a
set point change and reaching the final set point.

[ordered_list style=”lower-alpha”]
  1. 1
  2. 3
  3. 7
  4. 5[/ordered_list]

4. An instrument location plan _________of each instrument.

[ordered_list style=”lower-alpha”]
  1. shows the location, elevation, and tag number
  2. shows the location, specification number, and elevation
  3. shows the specification number, and tag number
  4. shows the location, and wiring plan[/ordered_list]

5. Maintenance that occurs following equipment failure is called _____maintenance.

[ordered_list style=”lower-alpha”]
  1. creative
  2. preventive
  3. corrective
  4. predictive[/ordered_list]

 

What are your answers before you read ahead?

1. a

2. b

3. d

4. a

5. c

 

From the ISA Course Certified Control Systems Technician® (CCST®) Level I Review Course (TS00) pre-instructional survey.

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