IADC Permit to Work System Certification
Exam Questions With Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
Question 1
What is the primary purpose of a Permit to Work (PTW) system?
A. To increase production efficiency
B. To ensure hazards are eliminated before work begins
C. To replace all safety procedures on site
D. To reduce the number of workers required
Answer: B.
The primary purpose of a PTW system is to ensure that hazards are
identified, assessed, and controlled before work begins. It provides a
structured method to authorize high-risk activities safely.
Question 2
Which of the following best describes a Permit to Work?
,A. A verbal instruction from a supervisor
B. A legal contract between company and contractor
C. A formal written authorization to perform specific work
D. A maintenance checklist
Answer: C.
A PTW is a formal written authorization that defines the work scope,
hazards, and control measures required to safely complete a task.
Question 3
Who is primarily responsible for issuing a Permit to Work?
A. Any site worker
B. The permit issuer or authorized competent person
C. The client representative only
D. The safety trainee
Answer: B.
Only a trained and authorized competent person (permit issuer) can
issue a PTW after verifying safety conditions and risk controls.
Question 4
What must always be completed before issuing a PTW?
,A. Work completion report
B. Risk assessment
C. Payroll approval
D. Equipment purchase order
Answer: B.
A risk assessment must be completed to identify hazards and define
control measures before issuing a PTW.
Question 5
Which activity typically requires a Permit to Work?
A. Office administration
B. Routine document filing
C. Hot work in a hazardous area
D. Computer data entry
Answer: C.
Hot work such as welding or cutting in hazardous areas requires a
PTW due to fire and explosion risks.
Question 6
What does PTW isolation refer to?
, A. Increasing workforce isolation
B. Physically disconnecting energy sources
C. Assigning tasks separately
D. Reducing communication between teams
Answer: B.
Isolation involves physically separating equipment from energy
sources (electrical, hydraulic, mechanical) to ensure safe maintenance.
Question 7
Which document supports a PTW by identifying hazards?
A. Risk Assessment (RA)
B. Expense report
C. Delivery note
D. Time sheet
Answer: A.
A Risk Assessment identifies hazards and evaluates risks associated
with the task covered by the PTW.
Question 8
What is the first step in a PTW process?
Exam Questions With Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
Question 1
What is the primary purpose of a Permit to Work (PTW) system?
A. To increase production efficiency
B. To ensure hazards are eliminated before work begins
C. To replace all safety procedures on site
D. To reduce the number of workers required
Answer: B.
The primary purpose of a PTW system is to ensure that hazards are
identified, assessed, and controlled before work begins. It provides a
structured method to authorize high-risk activities safely.
Question 2
Which of the following best describes a Permit to Work?
,A. A verbal instruction from a supervisor
B. A legal contract between company and contractor
C. A formal written authorization to perform specific work
D. A maintenance checklist
Answer: C.
A PTW is a formal written authorization that defines the work scope,
hazards, and control measures required to safely complete a task.
Question 3
Who is primarily responsible for issuing a Permit to Work?
A. Any site worker
B. The permit issuer or authorized competent person
C. The client representative only
D. The safety trainee
Answer: B.
Only a trained and authorized competent person (permit issuer) can
issue a PTW after verifying safety conditions and risk controls.
Question 4
What must always be completed before issuing a PTW?
,A. Work completion report
B. Risk assessment
C. Payroll approval
D. Equipment purchase order
Answer: B.
A risk assessment must be completed to identify hazards and define
control measures before issuing a PTW.
Question 5
Which activity typically requires a Permit to Work?
A. Office administration
B. Routine document filing
C. Hot work in a hazardous area
D. Computer data entry
Answer: C.
Hot work such as welding or cutting in hazardous areas requires a
PTW due to fire and explosion risks.
Question 6
What does PTW isolation refer to?
, A. Increasing workforce isolation
B. Physically disconnecting energy sources
C. Assigning tasks separately
D. Reducing communication between teams
Answer: B.
Isolation involves physically separating equipment from energy
sources (electrical, hydraulic, mechanical) to ensure safe maintenance.
Question 7
Which document supports a PTW by identifying hazards?
A. Risk Assessment (RA)
B. Expense report
C. Delivery note
D. Time sheet
Answer: A.
A Risk Assessment identifies hazards and evaluates risks associated
with the task covered by the PTW.
Question 8
What is the first step in a PTW process?
