The Carpenter pre-apprenticeship aptitude test is a cognitive screening exam required by UBC (United Brotherhood of Carpenters and Joiners of America) JATC programs across the United States and Canada, including the NYC District Council of Carpenters. The exam is typically 3 hours, multiple-choice, with a 70% passing threshold. It covers five primary areas: Mathematics (rounding, conversions, volume, geometry, algebra, graph interpretation), Reading Comprehension (passage-based grammar, conclusions, recall), Mechanical Comprehension (gears, tools, diagrams), Spatial Reasoning (shapes, 3D visualization), and Science (at some locals). Format and section weighting vary by local - candidates should confirm their specific local's test structure before applying. The exam does not test prior carpentry knowledge or trade experience; it tests the cognitive aptitudes that predict success in the apprenticeship program. Candidates who score higher rank ahead of other applicants for available spots - this is a ranked selection process, not a simple pass-fail threshold. JobTestPrep's Carpenter PrepPack includes 29 numerical reasoning tests and 11 mechanical tests, structured to be more demanding than the real exam so candidates arrive on test day genuinely over-prepared.