33 free engineering calculators from Aienginear for pipe sizing, pressure drop, PSV relief, ASME VIII vessels, control valves, flow meters, flange torque and hydrotests. Printable, standards-referenced, no signup.
50 piping interview questions and answers for 2026 by Aienginear — NPS and schedules, ASTM materials, fittings, ASME B16.5 flanges, B31.3 hydrotest and pneumatic testing, and pipe stress analysis, with printable tables, a self-test quiz and a free PDF.
32 piping interview questions and answers for 2026 by Aienginear — elbows, eccentric reducers, olets, NPS and schedules, pipe vs tube, material selection, flanges, valves, layout rules and ASME B31.3 testing, with printable tables, diagrams and a self-test quiz.
55 piping codes and standards interview questions and answers for 2026 by Aienginear — ASME B31.1 vs B31.3, the full B31 family (incl. B31.12 and withdrawn B31.11), ASME B16 and MSS SP standards, BPVC Sections II, V, VIII and IX, and API 570, with printable tables and a self-test quiz.
Pipe fittings dimensions and materials explained: NPS/DN/OD and schedule tables, ASME B16.9-2024 centre-to-end dimensions and tolerances, B16.11 forged classes, matching ASTM grades, marking and a printable inspection checklist, plus an interactive dimension finder.
Plant turnaround and shutdown management guide: T-minus milestones, scope freeze, job packs, critical path, positive isolation, gas testing, ASME PCC-1 bolting, PSSR startup, KPIs, calculators and printable Aienginear checklists.
What are piping specifications? Pipe, fittings, flanges, valves, gaskets and bolting explained with ASME B31.3 and B16.5-2025 data and 14 printable tables.
Types of pipe fittings explained: LR and SR elbows, bends, tees, laterals, reducers, caps, couplings, unions, stub ends and olets, with ASME B16.9-2024, B16.11-2021 and MSS SP-97 rules, material grades, a B16.9 dimension finder and selection tips.
A pipe carries fluid; a pipe class is the specification that fixes every approved component for one service. This 2026 guide covers schedules, B31.3 wall thickness, B16.5 ratings, a sample A1B class sheet and branch table.
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