Exam mechanics

How long is the ACSA NCSO exam?

Written and fact-checked by the NCSO Prep team, Alberta · Last reviewed 9 August 2026 · Sources

Short answer

You have up to 2 hours to complete the NCSO exam, and it is written online. This is stated in ACSA’s NCSO Information Booklet (February 2025). ACSA states the exam consists of 120 multiple-choice questions"cta-line">Start practising free →

Questions people ask

How long is the NCSO exam?

Up to 2 hours, written online, per ACSA’s NCSO Information Booklet (February 2025).

How many questions are on the NCSO exam?

ACSA states the exam consists of 120 multiple-choice questions"fine">Last updated 9 August 2026.

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Sources

Exam facts on this page come from the certifying body's own published material. Last verified 9 August 2026.

ACSA, NCSO Information Booklet (February 2025) — 75% pass mark, up to 2 hours, $65 initial / $80 rewrite, 3-month deferral, 11 compulsory + 2 elective courses, 3 years (6,000 hours) field experience within 10 years.
Alberta Construction Safety Association — NCSO program
Canadian Federation of Construction Safety Associations

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