NASCLA Commercial Building Exam: Questions and Answers, Exams of Nursing

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NASCLA Commercial Building Exam

What is the minimum ceiling height for means of Egress? - Question and answersNot less than 7 feet 6 inches Emergency Power must illuminate for how long? - Question and answersNo less than 90 minutes Elevators are required in a building with how many stories? - Question and answersMore than 3 (or at least 4). What is the size of the refuge space for one wheel chair? - Question and answers inches by 48 inches Each area of refuge shall be separated from the remainder of the story by what? - Question and answersSmoke Barrier What is the minimum width of a door? - Question and answers32 Inches The minimum clear opening height of doors shall be no less than (at least) - Question and answers80 inches Which direction should a hinge door swing when the building occupies more than 50 people or is classified as Group "H"? - Question and answersIn the direction of egress The force for pushing or pulling open interior swinging egress non fire doors shall not exceed how many pounds? - Question and answersNo more than 5LBS Clear opening below a door should be no more than - Question and answers4 inches Panic hardware is required when - Question and answersThere are more than 50 possible occupants The maximum unlatching force of panic or fire hardware should not exceed how many pounds? - Question and answers15lbs Stairway width for less than 50 people is - Question and answers36 inches Stairway width for more than 50 people - Question and answers44 inches Handrails should extend passed the top riser by - Question and answers12 inches Maximum handrail width is - Question and answers2 inches

Where handrails are not continuous between flights, the handrails should extend horizontally how many inches? - Question and answers12 inches Clear space between handrail and wall - Question and answers1 1/ Required guards shall not have an opening how large? - Question and answers4 inches Corridor width chart can be found in what book? - Question and answers2018 IBC (Thick blue book) page 287 Emergency escape and rescue openings shall have the bottom of the opening not greater than how many inches? - Question and answers44 inches measure from floor Accessible parking Spaces chart can be found where? - Question and answers IBC Page 308 Net Free Ventilating area shall not be less than - Question and answers1/150th of the area of the space ventilated (Page 321 IBC) The spacing of the ties or fastenings for exterior metal veneer shall not exceed how many inches? - Question and answers24 inches Lap siding should have minimum lap of how many inches? - Question and answers and 1/4 inches Metal flashing on walls, roof intersections, no less than how thick? - Question and answers0. What class assemblies are most effective against severe fire test? - Question and answersClass A Asphalt shingles should only be used on roof slopes - Question and answersOf two units vertical in 12 units horizontal (17%) Valley lining material thickness chart can be found where? - Question and answersIBC 351 Wood Shake and Wood shingle exposure table - Question and answersIBC 352 Minimum Slope of a roof is - Question and answers1/4 : 1 Allowable deflection table can be found - Question and answersIBC 363 A geotechnical investigation must be conducted when: - Question and answersWhen backfilling more than 12inches under a footer

The grade away from a building must be - Question and answers5% for at least 10 feet Dampproofing must be applied from where? - Question and answersFooter to above grade Where should a foundation drain be placed? - Question and answersTop of the drain at least 6 inches above the top of the footing, filter fabric over stone Sandy, silty sand, clayey, table - found where? - Question and answers434 IBC Backfill compressive strength has to be what PSI? - Question and answersAt least 2000 PSI Minimum Depth of footings below undisturbed ground surface should be how deep? - Question and answers12 inches Minimum width of footing is - Question and answers12 inches Flange projections shall not exceed what dimension? - Question and answers14 times the minimum thickness of metal and flange width shall not be less than 80% of the depth of the section How thick should a vapor barrier be below a slab? - Question and answers6 mil (0.006) lapped at least 6 inches Chimney termination is at least how far above the highest point of the roof? - Question and answers3 feet What plan is submitted to the engineer? - Question and answersDesign (construction documents) Steel Joist placement plans do not require what - Question and answersSeal and signature of the joist manufacturer Trusses spanning more than how many feet require an engineer? - Question and answers60ft Underlayment should be a minimum of how thick? - Question and answers1/4in thick At what height do you need a permit for a retaining wall? - Question and answers4ft What occupancy classification is a hospital? - Question and answersI- Who is authorized to serve a notice of violation or revoke permit? - Question and answersThe Building Official

Fire box should be placed how far above finished floor? - Question and answers42- 48inches Minimum temperature when applying SFRM is what - Question and answers40 Degrees for 24 hours Parapet shall not be less than how tall above the point where the roof surface and wall intersect? - Question and answers30 inches Smoke barriers most be how thick? - Question and answers2.5mm (.10in) Shaft enclosures shall have a fire resistance rating of not less than how long? - Question and answers2 hours where connecting 4 stories or more A manual actuation device shall be located at or near egress how far from cooking area? - Question and answers10-20ft Back flow preventer valves shall be monitored how? - Question and answersTamper Switch Automatic sprinklers installed over kiosks, displays, booths, that exceed how many feet? - Question and answers4ft Sprinklers below deck or balcony hang maximum distance of - Question and answers14inches Before you occupy a structure, what fire safety must be completed? - Question and answersFire protection systems tested and approved Minimum critical radiant flux is - Question and answersNot less than Class 1 in groups I- 1 and I- Wood finished flooring can be directly embedded to fireblock - Question and answers Cabinets should remain unlocked except where? - Question and answersI-3 (prisons) Portable fire extinguisher should be placed where - Question and answersWithin 30ft from commercial cooking equipment Max weight of a fire extinguisher - Question and answers40lbs, installed so top is not 5ft above floor Ionization smoke alarms shall not be installed how many feet from a permanently installed cooking appliance? - Question and answers20ft

Smoke alarms shall be installed NOT less than how many horizontal feet from opening of bathroom - Question and answers3ft Where should smoke alarms receive power from? - Question and answersPrimary power from building wiring with a battery backup Fire alarm boxes should be located where? - Question and answersNo more than 5ft from entrance to exit How high should a fire alarm be placed? - Question and answersLever of box 42- inches from floor Group H with 50 or more people shall not be provided - Question and answersWith 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 - Question and answers1 foot candle (11 lux) Which roof assembly is most effective against severe fire exposure? - Question and answersClass A Roofing, shingle, shake, metal, charts can be found in - Question and answersIBC Cladding / Roofing Ice Barriers should be installed where - Question and answersNot less than 24 inches inside exterior roof line Chimney termination: - Question and answers3ft above where chimney passes through 2ft Higher than any portion within 10ft Sheathing span and loads: - Question and answers32/16 (Roof/Subfloor) Preservative treated wood shall bear what - Question and answersQuality Mark of inspection agency Fasteners, connectors, in contact with preservative wood shall be coated in what - Question and answersHot Dip Zinc galvanized steel, stainless steel, bronze, or copper Joists can be how far off ground - Question and answers18 inches (Non treated) Wood girder can be how far off ground - Question and answers12 inches (Treated) Untreated wood is permitted where - Question and answersWhen wood is continuously and entirely below ground water level or submerged in fresh water Foundation Plates:

Bolts should be placed not more than how many feet on center? - Question and answers6ft How many bolts per sill plate? - Question and answersAt least 2. Each located not more than 12in from end of plate End of each Joist shall have at least how many inches of bearing? - Question and answers1 1/2 inches Notches on the end of joists shall not exceed - Question and answers1/4 joist depth Notches on top or bottom of Joist shall not exceed - Question and answers1/6 joist depth Notches in joist should not be located where - Question and answersMiddle 3rd of joist Notches at end of rafters or ceiling joist shall not exceed - Question and answers1/ joist depth Purlin Max: - Question and answers2x4 (4ft) 2x6 (6ft) Skylights are set at what angle - Question and answersLess than 45 degrees Horizontal plane mounted less than 4 inches Glazing adjacent to door within 24inches or bottom of exposed edge less than 60 inches above walking surface shall be considered - Question and answersA hazardous location Glazing adjacent to stairways and ramps: Less than 60 inches is: - Question and answersA hazardous location Number of elevator cars in a hoist-way: - Question and answersNo more than 4 elevator cars enclosed in single hoist-way 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? - Question and answers60 seconds Escalators should have a clear width of - Question and answers32 inches Plumbing systems should not be located where? - Question and answersIn elevator equipment rooms Where should automatic sprinkler systems not be installed? - Question and answersMachine Rooms Elevator Machinery Spaces

Control Rooms Elevator hoist ways What is the minimum sqft of an enclosed fire service access elevator lobby? - Question and answers150sqft with a dimension not less than 8ft AISI Standards for Cold Form Steel can be found: - Question and answersIBC 614 A walkway shall be provided in front of every construction site with a minimum width of how many feet? - Question and answers4ft What should pedestrian traffic be protected by where the walkway extends into the street? - Question and answersDirectional Barricades Covered walkways should have a clear height of how many feet? - Question and answers8ft Protection of adjoining property notice should be made at least how many days prior to scheduled start date of excavation? - Question and answers10 days Who assumes all obligations prescribed as employer obligations under the standards contained in OSHA? - Question and answersPrime Contractor The common drinking cup is - Question and answersAlways prohibited Emergency evac plans: 10 or less employees the plan can be communicated how? - Question and answersOrally Safety nets should extend how far beyond edge of work surface? - Question and answers8ft span Within 25ft of working ledge Safety belt lanyard shall be a minimum of how thick? - Question and answers1/2in nylon Max length for safety lanyard - Question and answers6ft Nominal breaking strength of lanyard is - Question and answers5400lbs Nominal dimensions of a 2x4 are - Question and answers2x One 2A rated fire extinguisher is required for every _____ sqft - Question and answers3000sqft Travel distance from any point of the protected area to nearest extinguisher is - Question and answers100ft max

No more than how many gallons of combustible liquid should be stored in a room outside of an approved storage cabinet? - Question and answers25 gallons What size access way must be within 200ft of each pile of containers - Question and answers12ft access way Safety devices: Valves should be arranged to afford free vent to the outer air with discharge of at least how many feet horizontally away from the building? - Question and answers5ft Tarps or coverings should be kept how far from combustible material? - Question and answers10ft Materials stored inside building under construction shall not be placed within how many feet of any hoist way or inside floor opening - Question and answers6ft Materials stored inside building under construction shall not be placed within how many feet of any exterior wall which does not extend above the top of the material stored - Question and answers10ft Bagged materials shall be stacked by stepping back the layers and cross keying the bags at least how many bags high? - Question and answers10 bags When Masonry blocks are stacked higher than how many feet, the stack should be tapered back - Question and answersOne half block per tier above the 6ft level Lumber piles should not exceed how many feet when reached with machinery - Question and answers20ft Lumber piles should not exceed how many feet when reached manually - Question and answers16ft Rigging equipment for material handling should be inspected - Question and answersPrior to use on each shift Wire rope should not be used if: - Question and answersIn 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? - Question and answersAn on / off switch All other hand held power tools such as circular saws and chain saws, should be equipped with what - Question and answersA constant pressure switch

Compressed air shall not be used for cleaning except when reduced to what PSI - Question and answers30 PSI Who can use power actuated tools? - Question and answersEmployees who have been trained in their operation Abrasive wheels: How strong should safety guards be? - Question and answersStrong enough to withstand force of the wheel breaking What is the max distance material can be dropped without a chute over an exterior - Question and answers20ft When debris is dropped through holes in the floors, the area onto which the material lands should be protected by what - Question and answersBarricades 42in high and at least 6ft out (not less than) The following are some of the machines which usually require point of operation guarding - Question and answersPower saws Valve protection caps should - Question and answersNot be used for lifting cylinders. What water temperature should be used to thaw cylinders loose? - Question and answersWarm, not boiling How often should combustible gases or material be inspected? - Question and answersBefore every working shift Shielding: Where should all arc welding and cutting operations should be shielded by noncombustible or flameproof screens which protects employees - Question and answersIn the vicinity from the direct rays from the arc General Welding, cutting, heating, may normally be done without what? - Question and answersMechanical ventilation or respiratory protective equipment Welding in confined spaces: How should employees be protected? - Question and answersWith airline respirators and communication Welding in confined spaces: What device should employees have when accessing a space through a manhole or other small opening? - Question and answersLifeline Fenders are required on pneumatic tied earth moving equipment whose speed exceeds how many MPH? - Question and answers15mph

All equipment used in sight clearing should have overhead covering of - Question and answersNot less than 1/8in steel plate or 1/4in woven wire mesh with no openings greater than 1in What is "Kickout?" - Question and answersAccidental release or failure of cross bracing At what depth do you need means of egress (Ladder, stairs ramp) from a trench? - Question and answers4ft What is the max lateral travel in a trench to a ladder? - Question and answers25ft When should the atmosphere be tested in the excavation? - Question and answersBefore employees enter an excavation more than 4ft deep What should be tested first in hazardous atmosphere? - Question and answersOxygen How far should equipment be kept from excavation? - Question and answers2 feet When and by who should inspections of excavations be made? - Question and answersDaily, by a competent person When walkways for employees or equipment are required, what is the maximum depth allowed before guardrails must be erected? - Question and answers6ft or more Examinations of excavations of how deep must be performed by a competent person? - Question and answers5ft Load per unit area at which a soil will fail in compression - Question and answersUnconfined compressive strength At what height should masonry walls be adequately braced to prevent overturning or collapse? - Question and answers8ft Employees loading, hooking, or bracing, should never be in what position to a load? - Question and answersUnderneath At no time should there be more than how many floors or feet of unfinished bolting or welding - Question and answers4 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 - Question and answersAt 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? - Question and answers3 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: - Question and answers1/4 working length of the ladder What direction should a user be facing when going up or down a ladder? - Question and answersFacing ladder The top step or top of a ladder should not be - Question and answersUsed as a step What is the simplest business structure to form? - Question and answersSole Proprietorship A partnership exists as long as: - Question and answersPartners agree it will, and as long as they stay partners If a general partner dies or leaves, what happens to the partnership? - Question and answersThe business dissolves Who is first paid when partnership dissolves and assets are sold? - Question and answersCreditors then partners How much liability do owners in a partnership have? - Question and answersUnlimited liability Which business structure has double taxation? - Question and answersC Corporations S Corporations have what IRS tax standing? - Question and answersNo advance IRS filings Why was the NC Licensing Board for General Contractors established? - Question and answersSafe-guaurding life, health, and property Property Insurance covers - Question and answersBusiness and personal property from Damage Theft Or loss Commercial General Liability (CGL) Covers what 4 main things? - Question and answersBodily Injury Damage or loss to property

Personal injury (including slander) Advertising injury Umbrella Policy can do what to your CGL? - Question and answersSupplement Business Owner Property bundles what? - Question and answersProperty and Liability Coverage Who purchases workers compensation Insurance? - Question and answersEmployer What is a surety bond? - Question and answersRisk transfer between a surety, contractor, and project owner What does a lien bond guarantee? - Question and answersLiens cannot be placed against the owners property by contractor What is the Miller Act? - Question and answersRequires performance and payment bonds on all Federal Construction valued greater than 100k What are the 4 types of bid documents? - Question and answersInvitation Bid Instructions Bid Forms Supplements What is bid rigging? - Question and answersCollusion where contractors coordinate bids to fix award Project Over head info can be found: - Question and answersBusiness law 7- What is the most accurate way to estimate? - Question and answersQuantity take off method What is the main reason to contracts? - Question and answersPrevent disputes between parties Retainage is used by - Question and answersThe owner to ensure completion of project A contractors obligation is: - Question and answersSecuring building permits A material breach is - Question and answersA 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 - Question and answersIndemnification Types of construction contracts - Question and answers

Who is Lump Sum mostly used for - Question and answersPublic work contracts Turnkey: - Question and answersSimilar to Design / Build. Contractor assumes liability. Generally fixed price Design build: - Question and answersThe 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 - Question and answersChange Order Changes prior to the contract award are known as - Question and answersaddenda This is the time remaining after a task is complete and before the next task begins: - Question and answersFloat Time Critical Path Method is - Question and answersThe most popular scheduling method Who is the onsite supervisor responsible for daily operations? - Question and answersSuperintendent Just in time payments will: - Question and answersKeep your inventory costs low A work week has how many hours? - Question and answers168 hours The Fair Labor Standard Act prescribes standards for the basic: - Question and answersMinimum wage and overtime pay. Applies to businesses with one or more employees What is the first criminal penalty for an FLSA Violation? - Question and answersUp to 10k, then imprisonment What is the civil penalty for an FLSA Violation? - Question and answers$1,100 per violation I-9 forms must be completed within how many days of hire? - Question and answers days I-9 forms must be kept on file for how long? - Question and answers3 years after date of hire, or 1 year after date of employment ends What does the I-9 Form establish? - Question and answersVerifies eligibility of employees

Americans with Disabilities Act (ADA) prohibits discrimination against persons when an employer has how many employees? - Question and answers15 or more Family Medical Leave Act allows employees to - Question and answersTake 12 weeks of unpaid time to care for a family member and still maintain job security When does an employer HAVE to orally report the death of an employee to OSHA? - Question and answers8 hours An employer must report a death to OSHA if - Question and answersEmployee dies within 30 days after workplace incident Exposure records and medical records must be maintained for how long? - Question and answers30 years Where are programmed inspections performed? - Question and answersEstablishments with high injury rate What percentage of known pollution is attributed to stormwater discharge? - Question and answers30% EPA stormwater plan must be created when disturbing how many acres of land? - Question and answers5 acres Work designed to permanently eliminate lead based paint hazards - Question and answersLead abatment Penalties for lead violation: - Question and answers$37,500 per day for each violation Balance Sheet Formula is - Question and answersAssets = Liability + Owner's Equity What is a source document? - Question and answersProof transaction took place What is a journal? - Question and answersA book where daily transactions are kept What are current assets? - Question and answersAssets that will be used up or converted to cash within 12 months. Formula for working capital: - Question and answersCurrent Assets - Current Liabilities What is another term for income statement? - Question and answersprofit and loss statement Gross Profit is: - Question and answersIncome - Cost of goods sold Net income is: - Question and answersGross profit - Expenses

What is another term for the quick ratio? - Question and answersacid test ratio Quick Ratio is - Question and answers(Current Assets - Inventory) / Current Liabilities What is the advantage of the completed contract method? - Question and answersNormally achieves maximum deferral of taxes The process of devaluing a fixed asset as a result of aging, wear and tear - Question and answersDepreciation Net 30 payments are due when? - Question and answers30 days after receipt of invoice How long should an employer keep records of employment? - Question and answers years When must W-2 forms be sent to employees? - Question and answersNo later than January 31st Federal Unemployment Tax Act (FUTA) - Question and answersLaw that requires employers to pay unemployment taxes to the federal government. When is the 4th quarter due date for form 940? - Question and answersJanuary 31st Form 1099 is used for what dollar amount and who? - Question and answers$600 or more, independent contractors Form 941 due: - Question and answerson or before January 31st Mechanical lien mean - Question and answersOwner may pay twice When can a contractor file notice of contract? - Question and answersWithin 30 days of building permit issuance The "Claim of Lien" must be filed within ___ days of LAST furnishing labor or materials for a project. - Question and answers120 days Who provides the site for the project and provides the architect with what he needs? - Question and answersOwner What does the product data submittal usually consist of? - Question and answersManufacturer's product information A drawing or set of drawing produced by the contractor, supplier, manufacturer, sub, or fabricator - Question and answersShop drawing

Areas on a jobsite for material delivery, material storage, temporary offices, and facilities - Question and answersJobsite space allocations Where should material be delivered to? - Question and answersAs close to install location Always move material with what type of labor? - Question and answersLeast expensive During what phase of construction does steel take up a large amount of space? - Question and answersFirst 3rd of project Term frequently used to indicate the storage area on jobsite - Question and answersLaydown area What is the most unpredictable cost factor for a contractor? - Question and answersLabor cost Where is the superintendent's headquarter? - Question and answersJobsite office Maximum carpet height - Question and answers1/2 inches Maximum floor slopes is - Question and answers1: Clear width of interior accessible route shall be at least how many inches? - Question and answers Maneuvering clearance for swinging doors and wheel chairs is? - Question and answers18 inches edge of swing to wall 60 inch door wall Thresholds: Thresholds at doorways shall be what maximum height? - Question and answers1/ inch Landings should have a clear length of how many inches? - Question and answers inches The floor surface of ramp runs and landings shall extend how many inches beyond the inside face or a railing? - Question and answers12 inches Existing call buttons shall be located how many inches maximum off the floor? - Question and answers54 inches measured to centerline of highest operable part How wide shall car parking spaces be? - Question and answersMinimum 96 inches measured to inside of line

How wide shall accessible van parking be? - Question and answers132 inches minimum Access aisles serving car and vans should be how wide? - Question and answersMinumum 60 inches What is the max slope of a parking space? - Question and answers1: Accessible parking space signs should be how tall? - Question and answers60 inches measured from bottom of sign Stairs: Stair tread should be how deep? - Question and answersAt least 11 inches Stairs: Stair riser should raise how many inches? - Question and answers4-7inches Are open risers permitted? - Question and answersNo Top gripping space of handrails should be placed how far above stairs, ramps, other walking surfaces? - Question and answers34-48 inches At the bottom of stairs, how far should a rand rail extend? - Question and answersSlope 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? - Question and answers16-18 inches What height should grab bars be installed? - Question and answers33 to 36 inches top of gripping surface What is the weight a grab bar can hold? - Question and answers250lbs Front loader, clear floor space should be how many inches? - Question and answers inches maximum from center of door opening In kitchens enclosed on three contiguous sides, clearance between all opposing bases, countertops, cabinets, shall be at least how many inches? - Question and answers inches In kitchens enclosed on two sides, clearance between all opposing bases, countertops, cabinets, shall be at least how many inches? - Question and answers40 inches How long of a fire rating does two 5/8 drywall have? - Question and answers2 hours

Crack control joints are placed transversely with what spacing? - Question and answers3-5ft Expansion joints are placed every - Question and answers30ft Typical curb usually rises how many inches? - Question and answers6 inches Ground water removal can be found in what book? - Question and answersPrincipal and Practices What are the 4 types of piles for foundations? - Question and answers1) Bearing

2. Friction
3. Friction plus
4. Sheet Terrazzo floor info can be found in what book? - Question and answersPrincipal and Practices Advantages of pre engineered frame over fabricated steel can be found where? - Question and answersP&P floor systems The American Concrete Institute recommends a minimum live load of how many PSI for work crews? - Question and answers50 PSI Bolt holes for bolted connections are punched or drilled how much larger in diameter than the diameter of the bolts? - Question and answers1/16 (2mm) On Terrazzo floors, after how many days is the grout removed and the surface is polished to finish? - Question and answers3 days Cellular concrete makes excellent fireproofing material because? - Question and answersHigh insulation value and lightweight What is the slump test used to measure? - Question and answersConsistency of concrete It is anticipated that the 7 day test strength will yield what percentage of strength? - Question and answers65-70% of the 28 day test What can be used in concrete that is cheaper when readily available, and is a byproduct of coal burning power plants? - Question and answersFly Ash What solves many problems related to concrete mixture? - Question and answersWell- graded aggregates

Usually used in hot weather, what extends the setting time of concrete? - Question and answersRetarder (Sugar) What is used to shorten the setting time or produce high early strengths? - Question and answersAccelerators, Calcium Chloride What is an example of high range water reducing admixture - Question and answersSuperplasticizer Types of concrete forms: - Question and answersQuality Concrete What can be used as one time forms that require minimum external bracing? - Question and answersLaminated Fiber Tubes Columns over how high require stiffening on four sides to reduce tendency of the fiber form to bend - Question and answers15ft tall Hollow foam blocks used primarily for residential construction with concrete work - Question and answersICF (Insulating concrete forms) Who should specify the minimum concrete strength to be attained before removal of forms? - Question and answersEngineer What are the most common ingredients found in barrier-type form-release agents? - Question and answersDiesel oil, heating oil, recycled motor oil, and lubricating oil What does normal weight concrete weigh lbs/ft cubed? - Question and answers150lbs per foot cubed How deep should contraction joints be cut? - Question and answers1/4 depth of slab, minimum 1 inch 3 Types of concrete joints: - Question and answers1) Contraction (Control)

2. Isolation
3. Construction What variation is permitted for placement of stirrups? - Question and answersPlus or minus 1 inch Plastic Shrinkage cracks occur because of - Question and answersSurface tension due to rapid evap of moisture in concrete Curing of concrete effects what? - Question and answers1) Strength
4. Durability
5. water tightness
6. Permeability

5. Cracking
6. Surface Soundness What increase in concrete temperature reduces finishing time by 50%? - Question and answersIncrease of 20 Degrees Minimum temperature for pouring concrete is - Question and answers40 degrees When a vibrating concrete tool is used, the concrete becomes more: - Question and answersFlowable and fluid like with sheen Ground below concrete should be not saturated but what before pour? - Question and answersMoistened A bullfloat is used to do what? - Question and answersRemove high and low in concrete Minimum temp to hang drywall: - Question and answers50 degrees Control joint of gypsum should be how wide? - Question and answers1/2 inch Base of drywall stack should be how far from wall - Question and answers4 - 6 inches