TUNE YOUR LOOP: Questions to keep you sharp.

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

1. Your bank called that you have a shortage of $10 in your account and you know
that you have written another $20 worth of checks that had not been withdrawn
from your account, but just now you deposited $50 in the bank. There is a
charge of $20 for the overdrawn checks what would your balance be when all
checks have cleared?

[ordered_list style=”lower-alpha”]
  1. $50
  2. $0
  3. $30
  4. $100[/ordered_list]

2. You have a speed sensor on a gear train that has a ratio of 300 to 10. The input
shaft is rotating at 1725 RPM what RPM is the output gear turning at?

[ordered_list style=”lower-alpha”]
  1. 57.5
  2. 51750
  3. 56.7
  4. 5.75[/ordered_list]

3. Using Ohm’s law (E=IxR)compute the current flow in the circuit if the circuit
consists of two 100 resistors in parallel with a 25 volt AC power source.

[ordered_list style=”lower-alpha”]
  1. .125 Amps
  2. 5 Amps
  3. .5 Amps
  4. .5 Milli Amps[/ordered_list]

 

What are your answers before you read ahead?

1. b

2. a

3. c

 

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

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