CPT Safety Systems & Standards 2

Question 1

Which layer of protection in a Safety Instrumented System (SIS) is responsible for automatically taking the process to a safe state?

Accepted Answer

Safety Instrumented Function (SIF)

Answer

A Safety Instrumented Function (SIF) is the specific function within a SIS designed to automatically bring a process to a safe state upon detecting a hazardous condition.

Question 2

What does the term 'proof test interval' refer to in the context of safety instrumented systems?

Accepted Answer

The frequency at which a safety function is tested to verify it can perform its intended function

Answer

Proof test interval is the scheduled frequency at which a safety instrumented function is manually tested to confirm it remains capable of performing its protective action.

Question 3

In a HAZOP study, what does the guideword 'MORE' typically indicate?

Accepted Answer

A quantitative increase above normal design intent

Answer

The HAZOP guideword 'MORE' indicates a quantitative increase in a parameter such as flow rate, temperature, or pressure beyond the design intent.

Question 4

What is the primary purpose of a safety shower and eyewash station in a chemical process facility?

Accepted Answer

To provide immediate first aid by flushing hazardous chemicals from the body or eyes

Answer

Safety showers and eyewash stations provide immediate first aid decontamination by flushing hazardous substances from skin or eyes to minimize injury severity.

Question 5

According to OSHA Process Safety Management (PSM), what information must be included in a Process Safety Information (PSI) package?

Accepted Answer

Hazards of the chemicals, technology of the process, and equipment used in the process

Answer

OSHA PSM requires PSI to include chemical hazard information, process technology details, and equipment specifications to support safe process management.

(CPT) Certified Process Technician Practice Test

(CPT) Certified Process Technician Practice Test

CPT Safety Systems & Standards 2