G202 COMPREHENSIVE STUDY GUIDE 2026 FULL
QUESTIONS AND SOLUTIONS GRADED A+
● Fertilization. Answer: Adding nutrients to soil
● Soil Amendment. Answer: Material improving soil characteristics
● pH Level. Answer: Measure of soil acidity or alkalinity
● Soil Test. Answer: Laboratory analysis of earth composition
● Retaining Wall. Answer: Structure holding back earth at elevation change
● Segmental Retaining Wall. Answer: Interlocking block wall system
● Cantilever Wall. Answer: Reinforced concrete retaining structure
● Gravity Wall. Answer: Massive wall relying on weight for stability
● Gabion Wall. Answer: Wire basket filled with stone
● Geogrid. Answer: Synthetic fabric reinforcing soil
● Geotextile. Answer: Permeable fabric separating soil layers
● Filter Fabric. Answer: Material preventing soil movement while allowing water flow
● Erosion. Answer: Wearing away of soil by water or wind
● Sedimentation. Answer: Settling of soil particles from water
● Slope Stability. Answer: Resistance of inclined earth to sliding
● Landslide. Answer: Rapid downslope movement of earth
● Subsidence. Answer: Gradual sinking of ground surface
● Settlement. Answer: Downward movement of structure due to soil compression
● Differential Settlement. Answer: Unequal settling causing structure distortion
, ● Heave. Answer: Upward soil movement from frost or moisture
● Frost Line. Answer: Depth below which ground doesn't freeze
● Frost Heave. Answer: Upward pressure from frozen ground
● Foundation Waterproofing. Answer: Protection of below-grade structure from moisture
● Dampproofing. Answer: Light moisture protection for foundations
● Drainage Mat. Answer: Textured sheet directing water down foundation wall
● Footer Drain. Answer: Perforated pipe collecting water at foundation base
● Sump Basin. Answer: Pit collecting water for pump removal
● Basement Waterproofing. Answer: Comprehensive moisture protection for below-grade
space
● Interior Drainage System. Answer: Water collection inside foundation
● Exterior Drainage System. Answer: Water management outside foundation
● Hydrostatic Pressure. Answer: Force of water against foundation
● Capillary Action. Answer: Upward moisture movement through porous materials
● Efflorescence. Answer: White mineral deposits from moisture
● Moisture Barrier. Answer: Material preventing water transmission
● Building Envelope. Answer: Exterior shell separating inside from outside
● Weather Barrier. Answer: Membrane protecting against wind and rain
● Air Barrier. Answer: Continuous layer preventing air infiltration
● Thermal Barrier. Answer: Insulation reducing heat transfer
● Insulation. Answer: Material reducing thermal transmission
● R-Value. Answer: Measure of insulation effectiveness
● U-Value. Answer: Measure of heat transmission through assembly
● Thermal Bridging. Answer: Heat flow through conductive materials bypassing insulation
QUESTIONS AND SOLUTIONS GRADED A+
● Fertilization. Answer: Adding nutrients to soil
● Soil Amendment. Answer: Material improving soil characteristics
● pH Level. Answer: Measure of soil acidity or alkalinity
● Soil Test. Answer: Laboratory analysis of earth composition
● Retaining Wall. Answer: Structure holding back earth at elevation change
● Segmental Retaining Wall. Answer: Interlocking block wall system
● Cantilever Wall. Answer: Reinforced concrete retaining structure
● Gravity Wall. Answer: Massive wall relying on weight for stability
● Gabion Wall. Answer: Wire basket filled with stone
● Geogrid. Answer: Synthetic fabric reinforcing soil
● Geotextile. Answer: Permeable fabric separating soil layers
● Filter Fabric. Answer: Material preventing soil movement while allowing water flow
● Erosion. Answer: Wearing away of soil by water or wind
● Sedimentation. Answer: Settling of soil particles from water
● Slope Stability. Answer: Resistance of inclined earth to sliding
● Landslide. Answer: Rapid downslope movement of earth
● Subsidence. Answer: Gradual sinking of ground surface
● Settlement. Answer: Downward movement of structure due to soil compression
● Differential Settlement. Answer: Unequal settling causing structure distortion
, ● Heave. Answer: Upward soil movement from frost or moisture
● Frost Line. Answer: Depth below which ground doesn't freeze
● Frost Heave. Answer: Upward pressure from frozen ground
● Foundation Waterproofing. Answer: Protection of below-grade structure from moisture
● Dampproofing. Answer: Light moisture protection for foundations
● Drainage Mat. Answer: Textured sheet directing water down foundation wall
● Footer Drain. Answer: Perforated pipe collecting water at foundation base
● Sump Basin. Answer: Pit collecting water for pump removal
● Basement Waterproofing. Answer: Comprehensive moisture protection for below-grade
space
● Interior Drainage System. Answer: Water collection inside foundation
● Exterior Drainage System. Answer: Water management outside foundation
● Hydrostatic Pressure. Answer: Force of water against foundation
● Capillary Action. Answer: Upward moisture movement through porous materials
● Efflorescence. Answer: White mineral deposits from moisture
● Moisture Barrier. Answer: Material preventing water transmission
● Building Envelope. Answer: Exterior shell separating inside from outside
● Weather Barrier. Answer: Membrane protecting against wind and rain
● Air Barrier. Answer: Continuous layer preventing air infiltration
● Thermal Barrier. Answer: Insulation reducing heat transfer
● Insulation. Answer: Material reducing thermal transmission
● R-Value. Answer: Measure of insulation effectiveness
● U-Value. Answer: Measure of heat transmission through assembly
● Thermal Bridging. Answer: Heat flow through conductive materials bypassing insulation