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TTT-1 Fall protection climber-rescuer Practice Test
10 questions · 30% of the real TTT-1 exam · instant scoring · explanations cite the standard
Fall protection climber-rescuer is the largest TTT-1 domain at 30% of the exam — and the domain most failed candidates underestimate because they assume field habit is the same as the standard. These ten questions cover anchorage strength, free-fall limits, D-ring use, 100% tie-off, inspection and rescue planning, with the OSHA 1926.502, ANSI Z359 and A10.48 source named in every explanation.
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Three-point contact while climbing means:
Show answer and explanation
Correct answer: B. Only one limb moves at a time while three stay in contact. It is a stability rule for climbing — it is not fall protection, which is the separate 100% tie-off requirement.
You should connect to your fall-arrest system:
Show answer and explanation
Correct answer: B. A10.48's 100% fall protection requirement has no minimum height. Clip in before you climb; the 6-foot figure is a regulatory trigger, not a permission to climb unprotected.
A self-retracting lifeline (SRL) is often chosen over a shock-absorbing lanyard because it:
Show answer and explanation
Correct answer: B. Shorter arrest distance means less required clearance below. Foot-level anchoring is allowed only for SRLs specifically rated for leading-edge/foot-level use.
Under ANSI Z359, the gate of a snap hook or carabiner used in fall arrest must withstand:
Show answer and explanation
Correct answer: C. Z359.12 requires 3,600 lb gate strength (face and side) to prevent roll-out. NWSA has published this value in a sample question.
Positioning lanyards connected to the side D-rings must be:
Show answer and explanation
Correct answer: B. Work positioning holds you in place so both hands are free. It is never fall protection on its own; the dorsal D-ring stays connected to an arrest system.
A rescue plan that consists of calling 911 is:
Show answer and explanation
Correct answer: B. Suspension trauma can become life-threatening within minutes. Municipal responders are rarely trained or equipped for rescue at height. 911 is the medical plan once the casualty is on the ground.
During a fall arrest, the purpose of a shock absorber (energy absorber) is to:
Show answer and explanation
Correct answer: B. OSHA 1926.502 limits arresting force to 1,800 lb with a full-body harness. The energy absorber tears out to dissipate energy — which adds deployment distance to your clearance calculation.
Harnesses and lanyards must be inspected:
Show answer and explanation
Correct answer: B. Pre-use inspection by the wearer every time; formal documented inspection by a competent person at the manufacturer's interval, typically at least annually.
A fall-arrest lanyard wrapped around a structural member and clipped back to itself (choked) is acceptable only if:
Show answer and explanation
Correct answer: B. Standard lanyards are not designed to be choked; the hook loads against the lanyard and can roll out or cut it. Tie-back lanyards have reinforced webbing and a rated tie-back hook.
After a near-miss where a climber's lanyard snagged but did not load, the correct action is:
Show answer and explanation
Correct answer: B. Near-misses are the free lessons. They are reported, the equipment is inspected before further use, and the crew learns from it the same day.
Other TTT-1 domains
- Hoisting & rigging — 20% of TTT-1
- Structures — 15% of TTT-1
- Planning & job logistics — 15% of TTT-1
- Appurtenance installation — 20% of TTT-1
- Full TTT-1 practice test — all domains
Frequently asked questions
How much of the NWSA TTT-1 exam is fall protection climber-rescuer?
30%, per the Candidate Handbook REV 10/25 content outline. The full TTT-1 exam is 85 questions · 90 minutes.
Is the NWSA exam computer-based?
Yes. Since January 2024 every NWSA certification exam is delivered by Online Remote Proctoring (ORP) — you take it on your own computer with a live proctor. The practical exam component was discontinued at the same time.
What score do I need to pass the NWSA exam?
NWSA does not publish a passing score. Exams are criterion-referenced and the cut score is set by a panel of subject-matter experts; results are reported as pass/fail with a domain-by-domain breakdown. Any site quoting a specific percentage is guessing.
How much does the NWSA exam cost?
$274 for every NWSA certification — TTT-1, TTT-2, A&L, Foreman and ARC. Retakes are the same $274, with a 30-day wait between attempts. Fees are set by NWSA and can change; nws-a.org is the authority.
Exam facts on this page are from the NWSA Candidate Handbook, CH REV 10/25. Fees, formats and rules change — the handbook is the authority. NWSA Study Guide is independent and is not affiliated with, endorsed by, or recognized by the National Wireless Safety Alliance.