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TUNE YOUR LOOP: Questions to keep you sharp.

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

1. A pressure gauge that reads 100 PSIA is indicating _____ PSI.

[ordered_list style=”lower-alpha”]
1. 100
2. 3.61
3. 85.3
4. 114.7[/ordered_list]

2. The specific gravity of a gas is the ratio of the density of the gas to the density of
____.

[ordered_list style=”lower-alpha”]
1. hydrogen
2. air
3. water
4. gasoline[/ordered_list]

3. A temperature of 273.15º Kelvin is the same as ______ºCelsius.

[ordered_list style=”lower-alpha”]
1. -186.64
2. 212
3. 100
4. 0[/ordered_list]

4. A circuit has a 100 Ω resistor, a 50 Ω resistor, and a 200 Ω resistor all in parallel
with each other. What is the total resistance of the circuit?

[ordered_list style=”lower-alpha”]
1. 28.6 Ω
2. 350 Ω
3. 175 Ω
4. 28 M Ω[/ordered_list]

5. Primary standard reference units and physical constants are maintained by
______.

[ordered_list style=”lower-alpha”]
1. the plant instrument shop
2. testing labs
3. NIST
4. instrument tech’s[/ordered_list]

1. c

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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