1|Page
ISA Certified Control Systems Technician (CCST)
Level III Exam ACTUAL VERIFIED EXAM COMPLETE
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR.pdf 1||NEWEST EXAM!!!
6. Which of the following is the most important document
used in troubleshooting a
control loop?
A. P&ID
B. Loop Diagram
C. Instrument Manual
D. Wiring Diagram - Answer-B
7. What type of process would derivative be the best
choice for when tuning a loop?
A. level process
B. pressure process
C. fast process
D. slow process - Answer-D
8. In a first-order system, a time constant is the time
required for the output to change
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____ percent in one time period.
A. 23.2
B. 43.2
C. 63.2
D. 83.2 - Answer-C
9. The length of straight-run pipe that is needed to
eliminate flow line disturbances is
most often related to:
A. the type of flow element
B. the diameter of the pipe
C. the piping material
D. the type of gas or fluid - Answer-B
10. In order to safely troubleshoot a system that is in
operation, which step should you perform
first?
A. shut isolation valves thoroughly
B. wear PPE (Personal Protective Equipment)
C. check with operations
,3|Page
D. compare loop and P&ID diagrams to the field
installation - Answer-C
11. To use a controller to increment or decrement a final
control element for verification
of it's function and range:
A. go to manual mode and change the set point
B. go to automatic mode and change the process variable
C. go to automatic mode and run auto tune
D. go to manual mode and change the output - Answer-D
12. Internet Protocol (IP) network signaling is widely used
in industrial environments.
To verify communications with an IP enabled device one
would issue a:
A. RFC (Request for Communications) command.
B. ping command.
C. IP Connect command
D. ECHO command. - Answer-B
1. What is the correct procedure for valving out a
differential transmitter using an
, 4|Page
installed instrument manifold?
A. Close the high, open the equalize, close the low
B. Open the equalize, close the high, close the low
C. Close the high, close the equalize, close the low
D. Close the low, open the equalize, close the high -
Answer-A
2. What should the range and span of a temperature
transmitter be, that has an input
of 100°F to 600°F?
A. Span = 500°F, Range = 100°F to 600°F
B. Span = 600°F, Range = 0°F to 600°F
C. Span = 100°F to 600°F, Range = 500°F
D. Span = 100°F to 600°F, Range = 600°F - Answer-A
3. A proportional control algorithm or proportional
controller:
A. provides a signal that eliminates offset.
B. provides an output that is linear or proportional to the
error signal.
C. is always used independently.
ISA Certified Control Systems Technician (CCST)
Level III Exam ACTUAL VERIFIED EXAM COMPLETE
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR.pdf 1||NEWEST EXAM!!!
6. Which of the following is the most important document
used in troubleshooting a
control loop?
A. P&ID
B. Loop Diagram
C. Instrument Manual
D. Wiring Diagram - Answer-B
7. What type of process would derivative be the best
choice for when tuning a loop?
A. level process
B. pressure process
C. fast process
D. slow process - Answer-D
8. In a first-order system, a time constant is the time
required for the output to change
,2|Page
____ percent in one time period.
A. 23.2
B. 43.2
C. 63.2
D. 83.2 - Answer-C
9. The length of straight-run pipe that is needed to
eliminate flow line disturbances is
most often related to:
A. the type of flow element
B. the diameter of the pipe
C. the piping material
D. the type of gas or fluid - Answer-B
10. In order to safely troubleshoot a system that is in
operation, which step should you perform
first?
A. shut isolation valves thoroughly
B. wear PPE (Personal Protective Equipment)
C. check with operations
,3|Page
D. compare loop and P&ID diagrams to the field
installation - Answer-C
11. To use a controller to increment or decrement a final
control element for verification
of it's function and range:
A. go to manual mode and change the set point
B. go to automatic mode and change the process variable
C. go to automatic mode and run auto tune
D. go to manual mode and change the output - Answer-D
12. Internet Protocol (IP) network signaling is widely used
in industrial environments.
To verify communications with an IP enabled device one
would issue a:
A. RFC (Request for Communications) command.
B. ping command.
C. IP Connect command
D. ECHO command. - Answer-B
1. What is the correct procedure for valving out a
differential transmitter using an
, 4|Page
installed instrument manifold?
A. Close the high, open the equalize, close the low
B. Open the equalize, close the high, close the low
C. Close the high, close the equalize, close the low
D. Close the low, open the equalize, close the high -
Answer-A
2. What should the range and span of a temperature
transmitter be, that has an input
of 100°F to 600°F?
A. Span = 500°F, Range = 100°F to 600°F
B. Span = 600°F, Range = 0°F to 600°F
C. Span = 100°F to 600°F, Range = 500°F
D. Span = 100°F to 600°F, Range = 600°F - Answer-A
3. A proportional control algorithm or proportional
controller:
A. provides a signal that eliminates offset.
B. provides an output that is linear or proportional to the
error signal.
C. is always used independently.
