TUNE YOUR LOOP: Questions to keep you sharp.

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

1. Current does not flow in a ground loop.

[ordered_list style=”lower-alpha”]
  1. TRUE
  2. FALSE[/ordered_list]

2. One cause of interference through capacitive coupling is locating the signal leads too close to the interfering source.

[ordered_list style=”lower-alpha”]
  1. TRUE
  2. FALSE[/ordered_list]

3. Radio transmitters emit electromagnetic radiation.

[ordered_list style=”lower-alpha”]
  1. TRUE
  2. FALSE[/ordered_list]

4. Which of the following is a type of shielded cable?

[ordered_list style=”lower-alpha”]
  1. Coated Cable
  2. Contact Cable
  3. Shielded Twisted Pair
  4. All of the above[/ordered_list]

5. You can usually reduce noise in signal cables by changing their physical location.

[ordered_list style=”lower-alpha”]
  1. TRUE
  2. FALSE[/ordered_list]

   

Click Here to Reveal the Answer

1. b

2. a

3. a

4. c

5. a

From the ISA course Electrical Noise Effects on Instrumentation Control Equipment (TI21) pre-instructional survey.

 

 

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