WorksheetsMock 2
Total questions: 15
Worksheet time: 8mins
A Temporary Defeat or bypass occurs when an HSE Critical Equipment and System (HSECES) is taken out of service (isolated or shut down) while the equipment or facility being protected remains in service.
True
False
Maybe
Defeats of HSECES shall be allowed in the following situation/s.
All answers are correct
For continued safe operations
For testing of devices
For maintenance
Zero Energy Demonstration is the verification of the “Integrity” and “Effectiveness” of an Isolation by means of Testing, Checking, Opening Vents/ Drains or trying to operate equipment.
True
False
Maybe
The Electrical Energy Isolation Certificate will specify Low Voltage (LV) or High Voltage (HV).
False
True
Maybe
Effective energy isolation ensures that equipment remains safely isolated for the duration of any work activity and _____________ accidental re-pressuring or re-energizing of equipment.
makes
helps
ensures
prevents
For routine operations, which of the following statements regarding SIMOPS Coordinator (SC) is true?
SC is not required
Permit Issuer (PI) acts as SC
Area Authority (AA) acts as SC
All answers are correct.
Non-routine or ‘occasional’ SIMOPS can occur in the case of:
Maintenance or modification of an existing facility
General Work in confined space
Pumps inspections
Critical Work
SIMOPS Coordinator (SC) shall have a SIMOPS document containing:
Site Layout Diagram
Details of environmental conditions
All documents combined
Matrix of Permitted Operations
Requirement to conduct an independent verification of each isolation point is determined by:
Asset Approval Authority
Area Authority (AA)
Isolating Operator (ISO)
Isolating Authority (ISA)
Who is the Certificate Applicant for the Temporary Defeat Certificate for a Process Defeat?
Maintenance Supervisor
DCS (Distribution Control System) Supervisor
Senior Vice President, HSE
Formal Risk Assessment Team Leader
Who tags and locks the isolated device/equipment?
Area Authority (AA)
Permit Issuer (PI)
Isolating Authority (ISA)
Isolating Operator (ISO)
Who authorizes Sanction to Test (STT)?
.
Area Authority (AA)
Isolating Operator (ISO)
Isolating Authority (ISA)
Job Performer (JP)
What methods are used to prove effectiveness of isolation?
Venting or draining a valve
Testing a circuit
Attempting to operate equipment
All methods are needed
Before the Extended Period Isolation (EPI) is brought to Live and linked to a work permit; when is an integrity check of the isolation required?
Never
Always
At the decision of the AA
Sometimes
To conduct a Sanction to Test (STT), which of the following is true?
All steps shall be needed
Approval shall be required from the Area Authority (AA)
A separate STT Form shall be utilized to record the signatures
All existing permits shall be suspended
