# TUNE YOUR LOOP: From the Certified Control Systems Technician® (CCST®) Level I Review Course (TS00)

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.

1. 100
2. 3.61
3. 85.3
4. 114.7

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

1. hydrogen
2. air
3. water
4. gasoline

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

1. -186.64
2. 212
3. 100
4. 0

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?

1. 28.6 Ω
2. 350 Ω
3. 175 Ω
4. 28 M Ω

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

1. the plant instrument shop
2. testing labs
3. NIST
4. instrument tech’s

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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