Question 1

Which of the following factors affect the ability of a Safety Relief Valve to provide the required overpressure protection on a vessel? (Select all that apply)

Options :

A : Toxicity of material in the vessel

B : Inlet and outlet piping design

C : Wind speed/direction at point of relief discharge

D : Material of construction of the relief valve

E : Boiling point and temperature of vessel contents

Answer: B,D,E

Question 2

Which of the following is not a leading metric for emergency management?

Options :

A : Number of actual process safety incidents in past year

B : Number of trained emergency response team members on each shift

C : Number of revisions to emergency response plans in past year

D : Number of realistic emergency response drills in past year

Answer: A

Question 3

Which of the following statements is correct pertaining to Process Safety Audits? (Select all that apply)

Options :

A : An audit is a systematic, independent review to verify conformance with established guidelines,

standards, regulatory requirements, or self-imposed requirements of the organization.

B : 2nd and 3rd party audit teams may include access to a representative of the facility being audited.

C : Findings and recommendations usually are the same thing in a process safety audit.

D : It is always appropriate for a facility to staff the audit team with only site personnel.

Answer: A,B

Question 4

A line is provided for adding a chemical to a reactor to quench the reaction. The line has an automatic valve which is designed to open when reactor temperature exceeds the High-High limit. Which of the items are key parts of the ITPM (Inspection, Testing, and Preventive Maintenance) requirements for the valve? (Select all that apply)

Options :

A : Valve must be functionally tested to ensure that it opens quickly enough to quench the reaction

B : Valve must be designed to open quickly enough to quench the reaction

C :

Valve and its control system must be inspected and tested with sufficient frequency to confirm that it will reliably open when required

D : Valve must be designed to fail open

Answer: A,C

Question 5

What minimum size is normally used for laboratory test apparatus to determine dust explosion severity?

Options :

A : 5 liters

B : 1 cubic meter

C : 20 liters

D : 50 liters

Answer: C

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