NASCLA Sample Exam Questions With 100% Correct Answers

NASCLA Sample Exam Questions With 100% Correct Answers Which of the following is included in a company's general overhead costs? Performance Bonds Withholding Taxes Costs for equipment purchase and rentals The company's administrative expenses - answerThe company's administrative expenses What is the purpose of ventilating unconditioned spaces? To control moisture Dehumidification Control oxygen levels Temperature Control - answerTo control moisture Oxygen Cylinders shall be stored: Separate from fuel gas cylinders a minimum of 10 ft Separate from fuel gas cylinders a minimum of 20 ft In a centrally located air tight closet In a storage locker - answerSeparate from fuel gas cylinders a minimum of 20 ft What size diameter anchor bolts should open web joists have at each end? 1 1/2" 2 1/2" 3 1/2" 4 1/2" - answer2 1/2" When should duplex nails be used? When building concrete forms When framing walls When constructing cabinets When applying shingles - answerWhen building concrete forms Where would the contractor find details of wall penetrations that are to be constructed as a part of the project? Technical specifications Supplemental conditions General conditions Bid request documents - answerTechnical specifications Trades that typically have the most stringent and specialized coordination requirements for project closeout are : Concrete and masonry Mechanical and electrical Drywall and painting site work and concrete - answerMechanical and electrical When forming waffle slabs in a multistory building which of the following should be used? Gang forms Pan forms Panel forms Earth forms - answerPan Forms Fiberglass insulation batts are being installed in an attic. Where should the vapor barrier barrier be installed? Around both of the layers Between the layers of insulation Over the insulation Under the insulation - answerUnder the insulation A crane is operating near overhead power lines rated less than 50kV. What is the required minimum distance? 5 feet 10 feet 20 feet 50 feet - answer10 feet It is allowable to excavate how far below a trench box? 1 foot 1.75 feet 2 feet 2.5 feet - answer2 feet When storing steel joists at a job site they should be Protected from weather Close to the area where they are being used Vertical, right side up Vertical, laid flat, or as shipped - answerVertical, laid flat, or as shippied An installed truss has a 20 foot span and a depth of 6 feet. What is the maximum amount it can be out of plumb? 1.5 inches 1.75 inches 2 inches 2.5 inches - answer1.5 inches What does the term retainage mean? Amount not yet paid to a subcontractor by the primary contractor The amount remaining to be billed on a project The value of work that has been rejected by the owner A percentage of the progress payment withheld by the owner - answerA percentage of the progress payment withheld by the owner The space between the insulation and the roof sheathing of a sloped ceiling shall be a minimum of how much?