TUNE YOUR LOOP: Safety Instrumented Burner Management Systems: A How To Primer

TUNE YOUR LOOP: Questions to keep you sharp.

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

1. Who is responsible for selecting Safety Integrity Levels?

  1. OEM
  2. Engineering Firm
  3. Instrumentation Vendor
  4. Control System Vendor
  5. End User

2. A Safety Instrumented System is comprised of the following:

  1. Sensor(s)
  2. Logic Solver(s)
  3. Final Element(s)
  4. Burner Train
  5. A, B and C

3. To meet FM-7605 and supply a Factory Mutual listed PLC based Burner
Management System solution one must:

  1. Apply the concepts of IEC61508
  2. Apply the concepts of ANSI / ISA 84 standard
  3. Apply the concepts of NFPA 85 and 86
  4. Apply FM 7-45
  5. None of the above

4. What Safety Integrity Levels are typically used in the process industry?

  1. SIL 1 only
  2. SIL 2 only
  3. SIL 3 only
  4. SIL 4 only
  5. SIL 1, 2, and 3

5. What role does Functional Testing play in determining Safety Integrity Level
capability of a given Safety Instrumented Function?

  1. No impact at all
  2. Impacts Safety Integrity Level by a factor of 2
  3. Functional Test Interval is part of the equation used to calculate Safety
    Integrity Level
  4. No impact for SIL 1 and 2
  5. No impact for SIL 3


What are your answers before you read ahead?

1. e

2. e

3. a

4. e

5. c


From the ISA Course Safety Instrumented Burner Management Systems: A How To Primer (ES17PC) pre-instructional survey.


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