CSLB B LICENSE GENERAL CONTRACTOR EXAM Questions With Correct Solutions(SCORED A+)

If unused mortar stiffens due to hydration of cement, what must you do? - ANSWERSDiscard the mortar What minimum time must you wait before caulking or grouting new tiles? - ANSWERS24-48 Hours How long should you wait before installing tile on a shower pan? - ANSWERS24 Hours Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical examples of: - ANSWERSType-B Soils If 65 street lights are fed by a 2275 volt series circuit, what is the voltage across each light? - ANSWERS35V In a series circuit, the total voltage is divided equally. For safety reasons, the maximum simple slope of an excavation, up to 20 ft deep, in Type-B soil is: - ANSWERS1:1 (45°) A Pittsburgh joint is used in: - ANSWERSHVAC ductwork The drain for a pressure relief valve on a water heater should be extended to: - ANSWERSThe outside of the building What is the minimum slope toward the drain of a shower pan? - ANSWERS1/4" per foot (2%) What is the diameter of #3 rebar? - ANSWERS3/8" If a vendor fails to provide an MSDS, you have the right to call: - ANSWERSCal/OSHA or DOSH When installing a door jamb, you need shims at: - ANSWERSBoth hinge and strike sides, three on each side.