COU 570 EXAM 2 ACTUAL COU 570 FINAL EXAM LATEST COMPLETE REAL QUESTIONS AND CORRECT ANSWERS (100% CORRECT VERIFIED SOLUTIONS)

LICENSE GENERAL CONTRACTOR CSLB B- EXAM B B B B B BB




If unused mortar stiffens due to hydration of cement, what must you do?
B B B B B B B B B B B B



Discard the mortar B B



What minimum time must you wait before caulking or grouting new tiles?
B B B B B B B B B B B



24-48 Hours B



How long should you wait before installing tile on a shower pan?
B B B B B B B B B B B



24 Hours B



Unstable dry rock, angular gravel, sandy loam, and cohesive soils having comp
B B B B B B B B B B B



ressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical e
B B B B B B B B B B B B B B



xamples of: B



Type-B Soils B



If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across
B B B B B B B B B B B B B B B B



B each light? B



35V


In a series circuit, the total voltage is divided equally.
B B B B B B B B B



For safety reasons, the maximum simple slope of an excavation, up to 20 ft dee
B B B B B B B B B B B B B B



p, in Type-B soil is:
B B B B



1:1 (45°) B



A Pittsburgh joint is used in:
B B B B B



HVAC ductwork B



The drain for a pressure relief valve on a water heater should be extended to:
B B B B B B B B B B B B B B



The outside of the building
B B B B

,LICENSE GENERAL CONTRACTOR CSLB B- EXAM B B B B B BB




What is the minimum slope toward the drain of a shower pan?
B B B B B B B B B B B



1/4" per foot (2%)
B B B



What is the diameter of #3 rebar?
B B B B B B



3/8"
If a vendor fails to provide an MSDS, you have the right to call:
B B B B B B B B B B B B B



Cal/OSHA or DOSH B B



When installing a door jamb, you need shims at:
B B B B B B B B



Both hinge and strike sides, three on each side.
B B B B B B B B



Which of the following is used to adhere vinyl floors?
B B B B B B B B B




A. Epoxy cement
B B



B. Asphalt mastic
B B



C. Latex primer
B B



D. White glue
B B



Epoxy cement B



When do you need bracing for a drywall wall?
B B B B B B B B



Diagonal bracing is needed every 25' for any drywall wall.
B B B B B B B B B



How should you clear the roots from a construction site?
B B B B B B B B B



Clear roots to 12" below grade.
B B B B B



Dividing watts by amps gives you:
B B B B B



Volts
The most frequent on-the-job roofing accidents are:
B B B B B B



Falls
Which of the following is NOT a type of wood block flooring?
B B B B B B B B B B B




A. Parquet
B

,LICENSE GENERAL CONTRACTOR CSLB B- EXAM B B B B B BB




B. Wood Mosaic
B B



C. Wood Tile
B B



D. All of the above.
B B B B



Wood tile B



Lightweight concrete is best used for:B B B B B




A. Curb and Gutter
B B B



B. Second floor decking
B B B



C. First floor slab on grade
B B B B B



D. Footings
B



Second floor decking
B B



The tool used to carry grout needed to patch a small hole is a:
B B B B B B B B B B B B B




A. Hawk
B



B. Poling board
B B



C. Spot board
B B



D. Mason's scutch
B B



Spot Board
B



Which pipe is NOT appropriate for industrial wastes?
B B B B B B B




A. Cast iron
B B



B. Schedule 40 ABS DWV
B B B B



C. Extra strength vitrified clay
B B B B



D. Copper
B



Copper

, LICENSE GENERAL CONTRACTOR CSLB B- EXAM B B B B B BB




Where do you need a fire wall?
B B B B B B




A. Between a living room and a bedroom
B B B B B B B



B. Between a bedroom and a bathroom
B B B B B B



C. Between a kitchen and a bath
B B B B B B



D. A separation wall between a dwelling and an attachment
B B B B B B B B B



A separation wall between a dwelling and an attachment.
B B B B B B B B



What is the minimum clearance between rough ground and untreated subfloo
B B B B B B B B B B



r joists?
B



18 inchesB



Who may remove asbestos?
B B B



Contractor with Asbestos Certification on license.
B B B B B



Which of the following is NOT likely to be found in significant proportions in
B B B B B B B B B B B B B B



granular soil? B




A. GravelB



B. Sand
B



C. Silt B



D. Clay B



Clay
Stiles and rails are used on which of the following?
B B B B B B B B B




A. Furred walls
B B



B. Roofs
B



C. Windows
B



D. Slabs B