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QUESTION 48
The Management of Change element: (select all that apply)

QUESTION 49
A field operator contacted the control room about a leaking connection on a heat exchanger. The control room operator instructed the field operator to bypass the heat exchanger. However, unknown to the control room operator, additional piping had recently been installed upstream of the heat exchanger, and had not been recorded on the P & ID. When the field operator incorrectly opened a valve in the new piping, the process stream was routed to an unintended location.
Which of the following groups of Risk Based Process Safety elements, if properly implemented, could have prevented this incident?

QUESTION 50
A 3000 gallon, stainless steel, insulated vessel rated for 30 psig is equipped with a rupture disc set for 30 psig for emergency relief. Assuming each of the following scenarios has been deemed possible, which would require the smallest sized relief?

QUESTION 51
To maintain a dependable Operational Readiness practice (select all that apply):

QUESTION 52
What are the main objectives for conducting a Process Safety Management audit? (Select all that apply)

QUESTION 53
Which of the following events require a process safety incident investigation? (Select all that apply)

QUESTION 54
A vessel has a rupture disc and pressure relief valve in series to protect against high pressure in the vessel.
There is a pressure gauge on the pipe between the rupture disc and the relief valve. The gauge normally reads zero. As part of regular maintenance inspections, these pressure gauges are supposed to be routinely checked.

Today, a pressure of nearly 50 psig (~3.5 barg) was observed by an operator. There is a significant hazard now. Identify the hazard and discuss which elements of Risk-Based Process Safety could have been involved in the development of this situation.

QUESTION 55
Which of the following statements are correct regarding the flow control loop in the illustration? (Select all that apply)

QUESTION 56
Which of the following conditions could indicate performance problems in a plant’s Asset Integrity program?
(select all that apply)

QUESTION 57
Which one of the following characteristics describes an organization that exhibits strong Process Safety Competency?

QUESTION 58
Austenitic stainless steels are typically susceptible to which of the following corrosion mechanisms specifically attributed to chloride exposure? (Select all that apply)

QUESTION 59
The Accident Pyramid indicates:

QUESTION 60
Secondary dust explosion consequences are often related to poor housekeeping, true or false?

QUESTION 61
For a vapor explosion in an unconfined and uncongested area, the amount of thermodynamic energy that ends up in the overpressure is approximately:

QUESTION 62
Which of the following is not a leading metric for emergency management?

QUESTION 63
During a Risk Based Process Safety audit, one operator states that refresher training should be provided more frequently. What actions should the auditor take? (Select all that apply)