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NCGC-B practice questions - frequently asked questions

Plain answers about how NCGC-B Exam Prep works: the exam, the questions, pricing, the free trial, and what you actually get.

No - and you should be wary of any site claiming otherwise. Every question here is original, written to mirror the style, difficulty, and judgment the real NCGC-B exam tests. Each one comes with a plain-language explanation of why the right answer is right and the others aren't.

The NCGC-B exam spans 15 domains: Site Work (6.7% of the exam); Concrete (14.4% of the exam); Masonry (6.7% of the exam); Metals (13.3% of the exam); Carpentry (7.8% of the exam); Roofing (6.7% of the exam); Associated Trades (3.3% of the exam); Business and Law (7.8% of the exam); Safety (4.4% of the exam); Estimating, Plan Reading and General Building Code Requirements (15.6% of the exam); One Call (2.2% of the exam); Erosion and Sedimentation Control (2.2% of the exam); Licensing (2.2% of the exam); Liens (1.1% of the exam); Sports Fields (5.6% of the exam). Every practice question on this site is tagged to one of these domains.

The domains are not weighted equally on the exam. By share of the marks: Estimating, Plan Reading and General Building Code Requirements 15.6%; Concrete 14.4%; Metals 13.3%; Carpentry 7.8%; Business and Law 7.8%; Site Work 6.7%; Masonry 6.7%; Roofing 6.7%; Sports Fields 5.6%; Safety 4.4%; Associated Trades 3.3%; One Call 2.2%; Erosion and Sedimentation Control 2.2%; Licensing 2.2%; Liens 1.1%.

The NCGC-B exam has 90 questions and is completed in 3 hours 20 minutes. Our timed practice mirrors that length and pacing, so exam day feels familiar.

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