TUNE YOUR LOOP: Questions to keep you sharp.

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

1. What is the temperature expressed in Celsius if the Fahrenheit temperature is –
40°?

[ordered_list style=”lower-alpha”]
  1. -46.4°
  2. – 40°
  3. – 9.8°
  4. + 40°[/ordered_list]

2. If the input signal of a properly calibrated I/P is 7mA what is the standard output
signal?

[ordered_list style=”lower-alpha”]
  1. 5.25PSI
  2. 2.25PSI
  3. 4.20PSI
  4. 6.56 PSI[/ordered_list]

3. In a series circuit all resistance is added. What is the total resistance in the
circuit if the current is 1 mAmp and voltage is 10VDC? (E=IR)

[ordered_list style=”lower-alpha”]
  1. 10Ω
  2. 100Ω
  3. 10KΩ
  4. .10KΩ[/ordered_list]

4. Using the vector formula there are two forces at 90 degrees to each other being
applied to an object. One force is represented by a line 20 inches long while the
other forces is represented by a line 10 inches long, what is the length, in inches,
of the line representing the resultant force?

[ordered_list style=”lower-alpha”]
  1. 30.00
  2. 14.14
  3. 22.36
  4. 7.07[/ordered_list]

 

What are your answers before you read ahead?

1. b

2. a

3. c

4. c

 

From the ISA Course Mathematics for Instrumentation Technicians (FG02) pre-instructional survey.

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