This document contains questions from various topics related to environmental science, water resources, transportation, geotechnical engineering, project management, surveying, structural engineering, and soil mechanics. Some of the questions ask for definitions, short notes, explanations, calculations, and drawings related to concepts like pH and water quality parameters, water supply systems, unit hydrographs, hydraulic jumps, flexible pavement design, soil stresses, shear strength testing, earth pressure, bearing capacity, standard penetration testing, critical path method, surveying, structural analysis, concrete mix design, and grain size distribution curves.