NASCLA Commercial Building Exam Questions with 100% Correct Answers | Verified | Updated, Exams of Advanced Education

Download NASCLA Commercial Building Exam Questions with 100% Correct Answers | Verified | Updated and more Exams Advanced Education in PDF only on Docsity! NASCLA Commercial Building Exam Questions with 100% Correct Answers | Verified | Updated 2024 What is the minimum ceiling height for means of Egress? - Correct Answer-Not less than 7 feet 6 inches Emergency Power must illuminate for how long? - Correct Answer-No less than 90 minutes Elevators are required in a building with how many stories? - Correct Answer-More than 3 (or at least 4). What is the size of the refuge space for one wheel chair? - Correct Answer-30 inches by 48 inches Each area of refuge shall be separated from the remainder of the story by what? - Correct Answer-Smoke Barrier What is the minimum width of a door? - Correct Answer-32 Inches pg. 1 professoraxe l The minimum clear opening height of doors shall be no less than (at least) - Correct Answer-80 inches Which direction should a hinge door swing when the building occupies more than 50 people or is classified as Group "H"? - Correct Answer-In the direction of egress The force for pushing or pulling open interior swinging egress non fire doors shall not exceed how many pounds? - Correct Answer-No more than 5LBS Clear opening below a door should be no more than - Correct Answer-4 inches Panic hardware is required when - Correct Answer-There are more than 50 possible occupants The maximum unlatching force of panic or fire hardware should not exceed how many pounds? - Correct Answer-15lbs Stairway width for less than 50 people is - Correct Answer-36 inches pg. 2 professoraxe l Asphalt shingles should only be used on roof slopes - Correct Answer-Of two units vertical in 12 units horizontal (17%) Valley lining material thickness chart can be found where? - Correct Answer-IBC 351 Wood Shake and Wood shingle exposure table - Correct Answer-IBC 352 Minimum Slope of a roof is - Correct Answer-1/4 : 1 Allowable deflection table can be found - Correct Answer-IBC 363 A geotechnical investigation must be conducted when: - Correct Answer-When backfilling more than 12inches under a footer The grade away from a building must be - Correct Answer-5% for at least 10 feet pg. 5 professoraxe l Dampproofing must be applied from where? - Correct Answer- Footer to above grade Where should a foundation drain be placed? - Correct Answer- Top of the drain at least 6 inches above the top of the footing, filter fabric over stone Sandy, silty sand, clayey, table - found where? - Correct Answer-434 IBC Backfill compressive strength has to be what PSI? - Correct Answer-At least 2000 PSI Minimum Depth of footings below undisturbed ground surface should be how deep? - Correct Answer-12 inches Minimum width of footing is - Correct Answer-12 inches Flange projections shall not exceed what dimension? - Correct Answer-14 times the minimum thickness of metal and flange width shall not be less than 80% of the depth of the section pg. 6 professoraxe l How thick should a vapor barrier be below a slab? - Correct Answer-6 mil (0.006) lapped at least 6 inches Chimney termination is at least how far above the highest point of the roof? - Correct Answer-3 feet What plan is submitted to the engineer? - Correct Answer- Design (construction documents) Steel Joist placement plans do not require what - Correct Answer-Seal and signature of the joist manufacturer Trusses spanning more than how many feet require an engineer? - Correct Answer-60ft Underlayment should be a minimum of how thick? - Correct Answer-1/4in thick At what height do you need a permit for a retaining wall? - Correct Answer-4ft pg. 7 professoraxe l Cabinets should remain unlocked except where? - Correct Answer-I-3 (prisons) Portable fire extinguisher should be placed where - Correct Answer-Within 30ft from commercial cooking equipment Max weight of a fire extinguisher - Correct Answer-40lbs, installed so top is not 5ft above floor Ionization smoke alarms shall not be installed how many feet from a permanently installed cooking appliance? - Correct Answer-20ft Smoke alarms shall be installed NOT less than how many horizontal feet from opening of bathroom - Correct Answer- 3ft Where should smoke alarms receive power from? - Correct Answer-Primary power from building wiring with a battery backup pg. 10 professoraxe l Fire alarm boxes should be located where? - Correct Answer- No more than 5ft from entrance to exit How high should a fire alarm be placed? - Correct Answer- Lever of box 42-48 inches from floor Group H with 50 or more people shall not be provided - Correct Answer-With a latch or lock (except panic hardware or fire hardware). Stairways within dwellings and exterior stairways shall have an illumination level on tread runs not less than - Correct Answer-1 foot candle (11 lux) Which roof assembly is most effective against severe fire exposure? - Correct Answer-Class A Roofing, shingle, shake, metal, charts can be found in - Correct Answer-IBC Cladding / Roofing Ice Barriers should be installed where - Correct Answer-Not less than 24 inches inside exterior roof line pg. 11 professoraxe l Chimney termination: - Correct Answer-3ft above where chimney passes through 2ft Higher than any portion within 10ft Sheathing span and loads: - Correct Answer-32/16 (Roof/Subfloor) Preservative treated wood shall bear what - Correct Answer- Quality Mark of inspection agency Fasteners, connectors, in contact with preservative wood shall be coated in what - Correct Answer-Hot Dip Zinc galvanized steel, stainless steel, bronze, or copper Joists can be how far off ground - Correct Answer-18 inches (Non treated) Wood girder can be how far off ground - Correct Answer-12 inches (Treated) pg. 12 professoraxe l Where two or more elevators are controlled by a common operating system, all elevators should automatically transfer to standby power within how long of normal power failure? - Correct Answer-60 seconds Escalators should have a clear width of - Correct Answer-32 inches Plumbing systems should not be located where? - Correct Answer-In elevator equipment rooms Where should automatic sprinkler systems not be installed? - Correct Answer-Machine Rooms Elevator Machinery Spaces Control Rooms Elevator hoist ways What is the minimum sqft of an enclosed fire service access elevator lobby? - Correct Answer-150sqft with a dimension not less than 8ft pg. 15 professoraxe l AISI Standards for Cold Form Steel can be found: - Correct Answer-IBC 614 A walkway shall be provided in front of every construction site with a minimum width of how many feet? - Correct Answer- 4ft What should pedestrian traffic be protected by where the walkway extends into the street? - Correct Answer-Directional Barricades Covered walkways should have a clear height of how many feet? - Correct Answer-8ft Protection of adjoining property notice should be made at least how many days prior to scheduled start date of excavation? - Correct Answer-10 days Who assumes all obligations prescribed as employer obligations under the standards contained in OSHA? - Correct Answer-Prime Contractor pg. 16 professoraxe l The common drinking cup is - Correct Answer-Always prohibited Emergency evac plans: 10 or less employees the plan can be communicated how? - Correct Answer-Orally Safety nets should extend how far beyond edge of work surface? - Correct Answer-8ft span Within 25ft of working ledge Safety belt lanyard shall be a minimum of how thick? - Correct Answer-1/2in nylon Max length for safety lanyard - Correct Answer-6ft Nominal breaking strength of lanyard is - Correct Answer- 5400lbs Nominal dimensions of a 2x4 are - Correct Answer-2x4 pg. 17 professoraxe l Wire rope should not be used if: - Correct Answer-In any length of 8 diameters, the total number of visible broken wire exceeds 10% of the total number of wires Switches: All hand held power tools must be operated with what? - Correct Answer-An on / off switch All other hand held power tools such as circular saws and chain saws, should be equipped with what - Correct Answer-A constant pressure switch Compressed air shall not be used for cleaning except when reduced to what PSI - Correct Answer-30 PSI Who can use power actuated tools? - Correct Answer- Employees who have been trained in their operation Abrasive wheels: How strong should safety guards be? - Correct Answer-Strong enough to withstand force of the wheel breaking pg. 20 professoraxe l What is the max distance material can be dropped without a chute over an exterior - Correct Answer-20ft When debris is dropped through holes in the floors, the area onto which the material lands should be protected by what - Correct Answer-Barricades 42in high and at least 6ft out (not less than) The following are some of the machines which usually require point of operation guarding - Correct Answer-Power saws Valve protection caps should - Correct Answer-Not be used for lifting cylinders. What water temperature should be used to thaw cylinders loose? - Correct Answer-Warm, not boiling How often should combustible gases or material be inspected? - Correct Answer-Before every working shift Shielding: pg. 21 professoraxe l Where should all arc welding and cutting operations should be shielded by noncombustible or flameproof screens which protects employees - Correct Answer-In the vicinity from the direct rays from the arc General Welding, cutting, heating, may normally be done without what? - Correct Answer-Mechanical ventilation or respiratory protective equipment Welding in confined spaces: How should employees be protected? - Correct Answer-With airline respirators and communication Welding in confined spaces: What device should employees have when accessing a space through a manhole or other small opening? - Correct Answer- Lifeline Fenders are required on pneumatic tied earth moving equipment whose speed exceeds how many MPH? - Correct Answer-15mph pg. 22 professoraxe l At no time should there be more than how many floors or feet of unfinished bolting or welding - Correct Answer-4 floors or 48 feet Stairways and handrails on construction site: Stairways having four or more risers or rising more than 30 inches shall be equipped with - Correct Answer-At least one handrail and One stair rail system along each unprotected side or edge How high must a ladder extend past the upper landing surface? - Correct Answer-3 feet Non self supporting ladders shall be used at an angle that the horizontal distance from the top support to the foot of the ladder is: - Correct Answer-1/4 working length of the ladder pg. 25 professoraxe l What direction should a user be facing when going up or down a ladder? - Correct Answer-Facing ladder The top step or top of a ladder should not be - Correct Answer-Used as a step What is the simplest business structure to form? - Correct Answer-Sole Proprietorship A partnership exists as long as: - Correct Answer-Partners agree it will, and as long as they stay partners If a general partner dies or leaves, what happens to the partnership? - Correct Answer-The business dissolves Who is first paid when partnership dissolves and assets are sold? - Correct Answer-Creditors then partners How much liability do owners in a partnership have? - Correct Answer-Unlimited liability pg. 26 professoraxe l Which business structure has double taxation? - Correct Answer-C Corporations S Corporations have what IRS tax standing? - Correct Answer- No advance IRS filings Why was the NC Licensing Board for General Contractors established? - Correct Answer-Safe-guaurding life, health, and property Property Insurance covers - Correct Answer-Business and personal property from Damage Theft Or loss Commercial General Liability (CGL) Covers what 4 main things? - Correct Answer-Bodily Injury Damage or loss to property Personal injury (including slander) Advertising injury pg. 27 professoraxe l A material breach is - Correct Answer-A form of contract breach that is very serious Absolves the indemnified party from any payment for losses and damages. It is a way to shift payment or liability - Correct Answer-Indemnification Types of construction contracts - Correct Answer- Who is Lump Sum mostly used for - Correct Answer-Public work contracts Turnkey: - Correct Answer-Similar to Design / Build. Contractor assumes liability. Generally fixed price Design build: - Correct Answer-The owner contracts with one entity (a person or firm) to provide both design and construction services, that entity then subcontracts portions of the work to others as needed A written document between owner and contractor to change contract. They add, delete, or alter contract - Correct Answer- Change Order pg. 30 professoraxe l Changes prior to the contract award are known as - Correct Answer-addenda This is the time remaining after a task is complete and before the next task begins: - Correct Answer-Float Time Critical Path Method is - Correct Answer-The most popular scheduling method Who is the onsite supervisor responsible for daily operations? - Correct Answer-Superintendent Just in time payments will: - Correct Answer-Keep your inventory costs low A work week has how many hours? - Correct Answer-168 hours The Fair Labor Standard Act prescribes standards for the basic: - Correct Answer-Minimum wage and overtime pay. Applies to businesses with one or more employees pg. 31 professoraxe l What is the first criminal penalty for an FLSA Violation? - Correct Answer-Up to 10k, then imprisonment What is the civil penalty for an FLSA Violation? - Correct Answer-$1,100 per violation I-9 forms must be completed within how many days of hire? - Correct Answer-3 days I-9 forms must be kept on file for how long? - Correct Answer- 3 years after date of hire, or 1 year after date of employment ends What does the I-9 Form establish? - Correct Answer-Verifies eligibility of employees Americans with Disabilities Act (ADA) prohibits discrimination against persons when an employer has how many employees? - Correct Answer-15 or more pg. 32 professoraxe l What is another term for income statement? - Correct Answer-profit and loss statement Gross Profit is: - Correct Answer-Income - Cost of goods sold Net income is: - Correct Answer-Gross profit - Expenses What is another term for the quick ratio? - Correct Answer- acid test ratio Quick Ratio is - Correct Answer-(Current Assets - Inventory) / Current Liabilities What is the advantage of the completed contract method? - Correct Answer-Normally achieves maximum deferral of taxes The process of devaluing a fixed asset as a result of aging, wear and tear - Correct Answer-Depreciation Net 30 payments are due when? - Correct Answer-30 days after receipt of invoice pg. 35 professoraxe l How long should an employer keep records of employment? - Correct Answer-4 years When must W-2 forms be sent to employees? - Correct Answer-No later than January 31st Federal Unemployment Tax Act (FUTA) - Correct Answer-Law that requires employers to pay unemployment taxes to the federal government. When is the 4th quarter due date for form 940? - Correct Answer-January 31st Form 1099 is used for what dollar amount and who? - Correct Answer-$600 or more, independent contractors Form 941 due: - Correct Answer-on or before January 31st Mechanical lien mean - Correct Answer-Owner may pay twice When can a contractor file notice of contract? - Correct Answer-Within 30 days of building permit issuance pg. 36 professoraxe l The "Claim of Lien" must be filed within ___ days of LAST furnishing labor or materials for a project. - Correct Answer- 120 days Who provides the site for the project and provides the architect with what he needs? - Correct Answer-Owner What does the product data submittal usually consist of? - Correct Answer-Manufacturer's product information A drawing or set of drawing produced by the contractor, supplier, manufacturer, sub, or fabricator - Correct Answer- Shop drawing Areas on a jobsite for material delivery, material storage, temporary offices, and facilities - Correct Answer-Jobsite space allocations Where should material be delivered to? - Correct Answer-As close to install location pg. 37 professoraxe l How wide shall accessible van parking be? - Correct Answer- 132 inches minimum Access aisles serving car and vans should be how wide? - Correct Answer-Minumum 60 inches What is the max slope of a parking space? - Correct Answer- 1:48 Accessible parking space signs should be how tall? - Correct Answer-60 inches measured from bottom of sign Stairs: Stair tread should be how deep? - Correct Answer-At least 11 inches Stairs: Stair riser should raise how many inches? - Correct Answer-4- 7inches Are open risers permitted? - Correct Answer-No pg. 40 professoraxe l Top gripping space of handrails should be placed how far above stairs, ramps, other walking surfaces? - Correct Answer- 34-48 inches At the bottom of stairs, how far should a rand rail extend? - Correct Answer-Slope of the stair, horizontal distance equal to one tread depth What is the minimum and maximum distance from center of toilet (water closet) to a sidewall? - Correct Answer-16-18 inches What height should grab bars be installed? - Correct Answer- 33 to 36 inches top of gripping surface What is the weight a grab bar can hold? - Correct Answer- 250lbs Front loader, clear floor space should be how many inches? - Correct Answer-24 inches maximum from center of door opening pg. 41 professoraxe l In kitchens enclosed on three contiguous sides, clearance between all opposing bases, countertops, cabinets, shall be at least how many inches? - Correct Answer-60 inches In kitchens enclosed on two sides, clearance between all opposing bases, countertops, cabinets, shall be at least how many inches? - Correct Answer-40 inches How long of a fire rating does two 5/8 drywall have? - Correct Answer-2 hours Crack control joints are placed transversely with what spacing? - Correct Answer-3-5ft Expansion joints are placed every - Correct Answer-30ft Typical curb usually rises how many inches? - Correct Answer- 6 inches Ground water removal can be found in what book? - Correct Answer-Principal and Practices pg. 42 professoraxe l What is an example of high range water reducing admixture - Correct Answer-Superplasticizer Types of concrete forms: - Correct Answer-Quality Concrete What can be used as one time forms that require minimum external bracing? - Correct Answer-Laminated Fiber Tubes Columns over how high require stiffening on four sides to reduce tendency of the fiber form to bend - Correct Answer- 15ft tall Hollow foam blocks used primarily for residential construction with concrete work - Correct Answer-ICF (Insulating concrete forms) Who should specify the minimum concrete strength to be attained before removal of forms? - Correct Answer-Engineer pg. 45 professoraxe l What are the most common ingredients found in barrier-type form-release agents? - Correct Answer-Diesel oil, heating oil, recycled motor oil, and lubricating oil What does normal weight concrete weigh lbs/ft cubed? - Correct Answer-150lbs per foot cubed How deep should contraction joints be cut? - Correct Answer- 1/4 depth of slab, minimum 1 inch 3 Types of concrete joints: - Correct Answer-1) Contraction (Control) 2) Isolation 3) Construction What variation is permitted for placement of stirrups? - Correct Answer-Plus or minus 1 inch Plastic Shrinkage cracks occur because of - Correct Answer- Surface tension due to rapid evap of moisture in concrete Curing of concrete effects what? - Correct Answer-1) Strength pg. 46 professoraxe l 2) Durability 3) water tightness 4) Permeability 5) Cracking 6) Surface Soundness What increase in concrete temperature reduces finishing time by 50%? - Correct Answer-Increase of 20 Degrees Minimum temperature for pouring concrete is - Correct Answer-40 degrees When a vibrating concrete tool is used, the concrete becomes more: - Correct Answer-Flowable and fluid like with sheen Ground below concrete should be not saturated but what before pour? - Correct Answer-Moistened A bullfloat is used to do what? - Correct Answer-Remove high and low in concrete pg. 47 professoraxe l