NWSA TTT-1 EXAM COMPLETE QUESTIONS AND 100% VERIFIED
ANSWERS RECENTLY UPDATED 2026/2027
1. What is the maximum free fall distance allowed when using a personal fall arrest
system (PFAS)?
A. 4 feet
B. 6 feet
C. 8 feet
D. 10 feet
✔ ANSWER: B. 6 feet
2. What is the maximum arresting force allowed on the human body during a fall
arrest?
A. 900 lbs
B. 1,200 lbs
C. 1,800 lbs
D. 2,400 lbs
✔ ANSWER: C. 1,800 lbs
3. What is the minimum breaking strength required for a personal fall arrest system
anchorage point?
A. 3,000 lbs
B. 5,000 lbs
C. 7,500 lbs
D. 10,000 lbs
✔ ANSWER: B. 5,000 lbs
4. What is the definition of 'fall restraint'?
A. A system that arrests a fall after it begins
B. A system that keeps a worker from reaching a fall hazard
C. A harness used during climbing
D. A lanyard with a deceleration device
✔ ANSWER: B. A system that keeps a worker from reaching a fall hazard
,5. What is 'free fall'?
A. A fall arrested within 2 feet
B. The vertical fall before the fall arrest system begins to apply force
C. Falling without any protective equipment
D. A controlled descent
✔ ANSWER: B. The vertical fall before the fall arrest system begins to apply
force
6. A positioning device system must be rigged so that a worker cannot free fall more
than:
A. 1 foot
B. 2 feet
C. 3 feet
D. 4 feet
✔ ANSWER: B. 2 feet
7. Which ANSI/OSHA standard governs personal fall arrest systems for tower
work?
A. ANSI Z359.1
B. ANSI A10.32
C. OSHA 1910.132
D. OSHA 1926.100
✔ ANSWER: A. ANSI Z359.1
8. When must a full body harness be removed from service?
A. After 5 years regardless of condition
B. After any fall arrest
C. After 1,000 hours of use
D. When the color fades
✔ ANSWER: B. After any fall arrest
9. What is the purpose of a self-retracting lifeline (SRL)?
A. To provide a fixed-length connection
B. To automatically limit free fall distance and arrest a fall
C. To provide positioning on the tower
D. To act as a rescue device only
✔ ANSWER: B. To automatically limit free fall distance and arrest a fall
10. When climbing, 100% tie-off means:
A. One lanyard attached at all times
, B. At least one connection point must be maintained at all times
C. Both lanyards must be attached simultaneously
D. The harness must be fully buckled
✔ ANSWER: B. At least one connection point must be maintained at all times
11. What is the minimum anchorage strength for a positioning system?
A. 2 times the Maximum Anticipated Force (MAF) or 3,000 lbs
B. 5,000 lbs at all times
C. 1,800 lbs
D. 10 times the worker's body weight
✔ ANSWER: A. 2 times the Maximum Anticipated Force (MAF) or 3,000 lbs
12. Which component of a PFAS absorbs the energy of a fall?
A. Full body harness
B. Anchorage connector
C. Shock-absorbing lanyard or deceleration device
D. D-ring
✔ ANSWER: C. Shock-absorbing lanyard or deceleration device
13. What does the dorsal D-ring on a full body harness connect to?
A. The work positioning lanyard
B. The fall arrest lanyard or SRL
C. The tool lanyard
D. The rescue line
✔ ANSWER: B. The fall arrest lanyard or SRL
14. Prior to each use, a harness should be inspected for:
A. Color coding only
B. Cuts, tears, abrasion, burns, chemical damage, and broken hardware
C. Manufacturer's serial number
D. Weight capacity label
✔ ANSWER: B. Cuts, tears, abrasion, burns, chemical damage, and broken
hardware
15. A snap hook must have a minimum gate strength of:
A. 1,000 lbs
B. 2,500 lbs
C. 3,600 lbs
D. 5,000 lbs
✔ ANSWER: C. 3,600 lbs
, 16. What is 'swing fall' hazard?
A. Falling straight down from an anchorage
B. A pendulum-like fall when the anchorage is not directly above the worker
C. A fall caused by a swinging antenna
D. A fall that occurs when a worker is swinging on a rope
✔ ANSWER: B. A pendulum-like fall when the anchorage is not directly above
the worker
17. What type of connector is required for a personal fall arrest anchorage?
A. A standard carabiner
B. A locking snap hook or carabiner
C. Any D-ring
D. A standard rope grab
✔ ANSWER: B. A locking snap hook or carabiner
18. When calculating total fall clearance distance, you must include:
A. Free fall distance only
B. Free fall + deceleration distance + harness stretch + safety factor
C. The height of the tower
D. The weight of the worker only
✔ ANSWER: B. Free fall distance only + deceleration distance + harness
stretch + safety factor
19. What OSHA standard applies to fall protection in construction?
A. 29 CFR 1910.269
B. 29 CFR 1926.502
C. 29 CFR 1910.23
D. 29 CFR 1926.100
✔ ANSWER: B. 29 CFR 1926.502
20. A Y-lanyard reduces the maximum arresting force to approximately:
A. 1,800 lbs
B. 900 lbs
C. 2,400 lbs
D. 600 lbs
✔ ANSWER: B. 900 lbs
21. Harness inspections must be performed:
A. Monthly only
B. Annually by a competent person only
ANSWERS RECENTLY UPDATED 2026/2027
1. What is the maximum free fall distance allowed when using a personal fall arrest
system (PFAS)?
A. 4 feet
B. 6 feet
C. 8 feet
D. 10 feet
✔ ANSWER: B. 6 feet
2. What is the maximum arresting force allowed on the human body during a fall
arrest?
A. 900 lbs
B. 1,200 lbs
C. 1,800 lbs
D. 2,400 lbs
✔ ANSWER: C. 1,800 lbs
3. What is the minimum breaking strength required for a personal fall arrest system
anchorage point?
A. 3,000 lbs
B. 5,000 lbs
C. 7,500 lbs
D. 10,000 lbs
✔ ANSWER: B. 5,000 lbs
4. What is the definition of 'fall restraint'?
A. A system that arrests a fall after it begins
B. A system that keeps a worker from reaching a fall hazard
C. A harness used during climbing
D. A lanyard with a deceleration device
✔ ANSWER: B. A system that keeps a worker from reaching a fall hazard
,5. What is 'free fall'?
A. A fall arrested within 2 feet
B. The vertical fall before the fall arrest system begins to apply force
C. Falling without any protective equipment
D. A controlled descent
✔ ANSWER: B. The vertical fall before the fall arrest system begins to apply
force
6. A positioning device system must be rigged so that a worker cannot free fall more
than:
A. 1 foot
B. 2 feet
C. 3 feet
D. 4 feet
✔ ANSWER: B. 2 feet
7. Which ANSI/OSHA standard governs personal fall arrest systems for tower
work?
A. ANSI Z359.1
B. ANSI A10.32
C. OSHA 1910.132
D. OSHA 1926.100
✔ ANSWER: A. ANSI Z359.1
8. When must a full body harness be removed from service?
A. After 5 years regardless of condition
B. After any fall arrest
C. After 1,000 hours of use
D. When the color fades
✔ ANSWER: B. After any fall arrest
9. What is the purpose of a self-retracting lifeline (SRL)?
A. To provide a fixed-length connection
B. To automatically limit free fall distance and arrest a fall
C. To provide positioning on the tower
D. To act as a rescue device only
✔ ANSWER: B. To automatically limit free fall distance and arrest a fall
10. When climbing, 100% tie-off means:
A. One lanyard attached at all times
, B. At least one connection point must be maintained at all times
C. Both lanyards must be attached simultaneously
D. The harness must be fully buckled
✔ ANSWER: B. At least one connection point must be maintained at all times
11. What is the minimum anchorage strength for a positioning system?
A. 2 times the Maximum Anticipated Force (MAF) or 3,000 lbs
B. 5,000 lbs at all times
C. 1,800 lbs
D. 10 times the worker's body weight
✔ ANSWER: A. 2 times the Maximum Anticipated Force (MAF) or 3,000 lbs
12. Which component of a PFAS absorbs the energy of a fall?
A. Full body harness
B. Anchorage connector
C. Shock-absorbing lanyard or deceleration device
D. D-ring
✔ ANSWER: C. Shock-absorbing lanyard or deceleration device
13. What does the dorsal D-ring on a full body harness connect to?
A. The work positioning lanyard
B. The fall arrest lanyard or SRL
C. The tool lanyard
D. The rescue line
✔ ANSWER: B. The fall arrest lanyard or SRL
14. Prior to each use, a harness should be inspected for:
A. Color coding only
B. Cuts, tears, abrasion, burns, chemical damage, and broken hardware
C. Manufacturer's serial number
D. Weight capacity label
✔ ANSWER: B. Cuts, tears, abrasion, burns, chemical damage, and broken
hardware
15. A snap hook must have a minimum gate strength of:
A. 1,000 lbs
B. 2,500 lbs
C. 3,600 lbs
D. 5,000 lbs
✔ ANSWER: C. 3,600 lbs
, 16. What is 'swing fall' hazard?
A. Falling straight down from an anchorage
B. A pendulum-like fall when the anchorage is not directly above the worker
C. A fall caused by a swinging antenna
D. A fall that occurs when a worker is swinging on a rope
✔ ANSWER: B. A pendulum-like fall when the anchorage is not directly above
the worker
17. What type of connector is required for a personal fall arrest anchorage?
A. A standard carabiner
B. A locking snap hook or carabiner
C. Any D-ring
D. A standard rope grab
✔ ANSWER: B. A locking snap hook or carabiner
18. When calculating total fall clearance distance, you must include:
A. Free fall distance only
B. Free fall + deceleration distance + harness stretch + safety factor
C. The height of the tower
D. The weight of the worker only
✔ ANSWER: B. Free fall distance only + deceleration distance + harness
stretch + safety factor
19. What OSHA standard applies to fall protection in construction?
A. 29 CFR 1910.269
B. 29 CFR 1926.502
C. 29 CFR 1910.23
D. 29 CFR 1926.100
✔ ANSWER: B. 29 CFR 1926.502
20. A Y-lanyard reduces the maximum arresting force to approximately:
A. 1,800 lbs
B. 900 lbs
C. 2,400 lbs
D. 600 lbs
✔ ANSWER: B. 900 lbs
21. Harness inspections must be performed:
A. Monthly only
B. Annually by a competent person only
