Virginia Contractors License Practice Test

These questions are part of the practice quiz. Start practicing

• What installation method is used for asphalt shingles in a valley without metal flashing?
• What is the standard mortar joint thickness between concrete and masonry units (CMU)?
• What is the earliest time work can commence after applying for an excavation permit?
• When excavating a foundation, what is the primary purpose of maintaining proper clearance from the street gutter?
• When installing an interior door frame, the frame must be?
• What designation color is used to indicate underground communication lines are present below?
• What type of drawing would show the front, back, right, and left side of a structure?
• What is the maximum time between mixing and using water above 80°?
• What is the effect of wet material when unloading a scraper?
• Where should a drip edge be used?
• What is the minimum reinforcing steel requirement for slabs on ground cast Monolithically?
• Wood shims should not be used to level beams and girders because they are?
• The installation of clay roofing tile must comply with which standard?
• What is typically included in a standard mortar mix?
• Using number 2 Southern Pine for floor joist, what is the size required for a span of 14 feet?
• The higher the R value indicates what about materials?
• What is typically required for framing windows to ensure proper installation?
• What are the actual measurements of a standard size modular concrete block?
• What is a negative effect of combining dissimilar metals in construction?
• What material is required for the door of an ash dump clean out?
• What is the recommended condition for adhering metal flashing to bituminous materials in re-roofing applications?
• What is the minimum number of fasteners required for clay perimeter tiles?
• Which of the following is essential for the structural integrity of slabs on the ground?
• What is the maximum riser height allowed for an exterior stairway?
• What is the maximum size of a building in a lot measuring 90 feet wide and 120 feet deep with specific setbacks?
• How long is an excavation permit valid once issued for use at 7 AM?
• What is the minimum space required between a handrail and an adjacent wall?
• What is the minimum distributed live load requirement for a deck?
• What additional factor should be considered when determining foundation height?
• When framing around a chimney, what is the minimum wood to masonry clearance required?
• Which components are included in a mortar mix?
• What is the closest to the edge that a hole may be drilled in a floor joist?
• How does poor foundation height impact a building?
• What is the most common cause of injury on a construction site?
• Where is the release mechanism for a pool barrier located?
• Which type of drawing provides the most detailed information about penetrations through walls?
• Why is it easier to achieve good compaction on a large fill area compared to a small fill area?
• What is the primary purpose of a swimming pool barrier?
• What document provides detailed information about materials and methods of construction?
• What is the maximum required setback of the face of a structure from the toe of a slope?
• What is the term used for the basic starting point of a building?
• What is the recommended overlap for a 6 inch plain bevel wood siding?
• What is the best equipment to use for excavating deep trenches in soft soil?
• For a work crew of 21, what is the minimum number of toilet facilities required?
• What is the minimum slope of unsoldered seamed metal roofs without sealant?
• Where should a vapor retarder be installed in a building assembly?
• What is the minimum height for guard rails for a balcony?
• What designation color is used to indicate underground electrical lines are present?
• Underlayment plywood which is touch-sanded at the mill ensures that the plywood is?
• In some regions, what additional height may be required for foundations?
• Which aspect of excavation equipment is critical in choosing the right machine for a job?
• What is required for the trimmers and headers of the lumber surrounding an opening for an attic drop down stair that measures 5 x 4-6?
• What factor primarily contributes to uneven compaction in small fills?
• Members that are toe nailed to the bearing wall must be nailed with?
• What is the minimum roof slope required for installation of metal roof shingles?
• What is the main purpose of the paper that is stapled with batt insulation?
• What is the maximum allowable span for a three-ply 2" x 12" build-up floor girder?
• Why is a guard required at heights of more than 30 inches?
• What is the minimum height for guard rails for a balcony?
• What materials are used in a standard concrete mix?
• In a 6-foot trench, where must a ladder or egress be placed?
• When using a portable extension ladder to access an elevated surface, how far must the ladder side rails extend above the surface?
• For a house constructed over a crawlspace, how many square feet of ventilation is required for a 30' x 50' building with a class 1 vapor retarder?
• Why is it important for foundations to be above the street gutter level?
• How many toilet seats are required for a work crew of 40 workers?
• Who bears the responsibility for training employees about hazards in confined spaces?
• In how many hours must a fatality be reported to OSHA?
• What is the minimum size and location of rebar in a footing supporting a slab?
• What is the maximum thickness allowed for a mortar bed joint when placing over foundations?
• What is a key requirement for a wood foundation using lumber treated according to AWPA standards?
• How far must thermal insulation be kept from a recessed fixture exclosure?
• What is the maximum on center spacing for vertical reinforcement in a 12 inch nominal thickness reinforced concrete foundation wall?
• What size joist is required for a span of 14 feet using Southern Pine for floor joist with a 10 PSF dead load?
• When does concrete gain 100% of its design strength?
• What is the minimum depth for an exterior concrete footing for a structure with an attached unheated garage?
• Guard rails are required in areas where a fall of more than how many inches is possible?
• Which type of safety harness is required at construction sites?
• What is the maximum riser height and minimum tread depth for stairway built in Virginia?
• What is the recommended depth for footing in Virginia?
• How is the minimum headroom for a stairway defined?
• Which material is considered the best for waterproofing foundations?
• What is the minimum thickness for a concrete foundation for a masonry fireplace?
• What is the minimum compressive strength of concrete required for a garage floor slab in severe weathering?
• What is the required area of glazing as a percentage of the floor area?
• In construction, why is it important to manage the grade away from foundation walls?
• What is the minimum width required for a footing projection?
• For ensuring adequate ventilation, what is typically installed in the soffit area?
• What is one consequence of failing to meet foundation height regulations?
• If a wall on a drawing with a scale of 1/4 equals 1 foot measures 5 1/2 inches, how long is the wall in feet?
• What is the purpose of a framing anchor in construction?
• What is the minimum required insulation for ceilings without sufficient attic space?
• Portable drinking water containers provided by an employer must have a?
• What is the required air space between the sheathing and the veneer?
• What is the minimum offset required for the end joints in the top plate?
• What materials are commonly used in mortar mix?
• What is the minimum width for a platform scaffold?
• Lumber which is to be removed manually should be stacked a maximum of how high?
• During excavation, what is essential to prevent soil erosion?
• What is the required minimum openable area to the outdoor for a habitable room as a percentage of floor area?
• When an excavator's notification is issued at 7 AM, how many days is the permit valid for?
• In high-wind areas, what is the maximum spacing allowed for underlayment fasteners?
• What is the minimum distance from exposed ground for a wood framing member that is in contact with?
• What is the main purpose of a construction schedule?
• What is the maximum allowed slope for the top surface of a footing?
• What is the process called when vapor turns into liquid?
• What is a common spacing requirement for veneer ties?
• In terms of safety, how frequently should ladders used for construction be inspected?
• Where is the frieze board typically located?
• What is the minimum height of a swimming pool barrier?
• The most common method of attaching concrete and clay tile to roof decks is?
• What must be done before demolishing a building?
• What is the maximum vertical spacing of drywall screws used to fasten 1/2 inch gypsum drywall without adhesive to an interior wall framed 16 inches on center?
• What type of soil should not be used for backfill due to its expansion characteristics?
• What is the maximum outside diameter for a type one circular cross-section handrail?
• What is the minimum period required to apply a finish coat for a three-coat interior plaster after the second coat?
• Window sizes for the designated structure are found on what document?
• What is the minimum height requirement for a foundation on a level site above street elevation?
• Which of the following is a common material used in concrete?
• How often should containers used to store empty cans of flammable/volatile materials be inspected?
• What type of nail is recommended for attaching sheathing to roof rafters?
• What is the maximum allowable spacing between studs for a 2 x 4 framed interior partition supporting roof and ceiling only?
• What is the minimum headroom required for a stairway?
• After a period of 7 days, concrete typically achieves what percentage of its specified compressive strength?
• What is the minimum nominal thickness required for wood plank roof decks?
• What is the name of a line on a drawing composed of long and short dashes?
• What component is NOT part of a standard concrete mix?
• When are roof drains required?
• What is the minimum top edge height for a guard rail on a support scaffold placed in service after January 1, 2000?
• What test is performed to determine the drainage capacity of a soil?
• A window used for second-floor emergency egress should have a sill height of at most how many inches above the floor?
• Which method is typically used for measuring the foundation height in a construction project?
• What type of permits are required before starting construction work?
• What material is commonly used for subflooring to provide support?
• In absence of tests, what is the assumed load bearing capacity of clay soil?
• What is the minimum bearing of a beam resting on a masonry wall?
• What is the maximum height for ladders used in construction?
• The grade away from foundation walls must be a minimum of?
• What is the minimum distance from exposed ground that pressure treated wood should be used when in contact with concrete or masonry foundation walls?
• The lookouts or horizontal members that extend out end up a rake roof framing are generally what size?
• What is the maximum allowable slope in type C soil?
• What is the standard protocol for excavation permits following application?
• After excavation motivation is submitted, what is the waiting period before work can begin?
• What is the minimum lap or rabbeted horizontal wood siding required?
• What is the minimum size required for a window in a bathroom if there is no mechanical ventilation?
• How many bundles of three tab shingles are contained in a square of roofing?
• What is the minimum net clear opening width required for an egress window in a sleeping area?
• When a joist is notched at the bottom to bear on a ledger, the notch should be a maximum of?
• What is the term for a projection resembling columns?
• What plan would show the building lot with boundaries?
• What is the purpose of a vapor retarder?
• What is the purpose of copper naphthenate when applied to treated lumber?
• What is the minimum size requirement for an egress door?
• What is the minimum width of footings used for a one-story structure built on clay sand soil?
• Veneer ties must be spaced apart horizontally no more than how many inches?
• What is one benefit of using a power shovel for excavation?
• A trench must have an adequate protection system if its depth is a minimum of how many feet?
• What is a necessary component of ventilation for a hip roof?
• What is the required height of the top of a foundation above the elevation of the street gutter on a graded site?
• What size joist is required for a span of 15 feet using Southern Pine in a living area with a 10 PSF dead load?
• Who should inspect a trench daily for safety?
• What could be the consequence of having inadequate height in a swimming pool barrier?
• What is the minimum size landing that must be provided on a ramp?
• What is a characteristic of a proper egress window in terms of safety regulations?
• What is the requirement for the wood treatment of a sill, plate, or sleeper that is resting on an exterior concrete masonry foundation wall?
• What is the maximum slope allowed for a ramp?
• Asphalt shingles base and cap flashing may be made from?
• What must be done after a structure is demolished?
• What kind of site requires a higher foundation elevation?
• What type of equipment is recommended to excavate a basement?
• What is typically the first step in the building demolition process?
• What is required to support masonry veneer above an opening?
• What is the first thing an individual should check before entering a confined space?
• What is the typical exposure of a three tab asphalt shingle?
• Which of the following roofing coverings can be reinstalled?
• What is the range of slump for concrete used in the wall?
• What structure resembles columns and is typically used for support?
• At what roof pitch is it considered steep?
• For a jack rafter nailed to a hip rafter, what is the minimum number of 16 D common nails required?
• Which piece of equipment is commonly used to assist in large scale earthmoving tasks?
• When using a 28-foot ladder, how far should it be placed horizontally from the wall for safety?
• What is the minimum distance from the edge of a trench allowed to place materials and equipment?
• Which of the following is added to concrete in hot weather to make it set up slower?
• Bridging in floor joist is required when?