Virginia hic Exam Questions with correct Answers

The MINIMUN length drywall screw for installing 1/2 inch gypsum board to wood studs is - Answer- 1 1/4 inches What is the MINIMUM breaking strength required of safety belt lanyards - Answer- 5,400 pounds What is the MINIMUM clearance that combustible insulation MUST other heat-producing devices - Answer- 1 inch What is the MAXIMUM flame spread index for insulation materials - Answer- 25 The amount of water per sack of cement is what controls all EXCEPT - Answer- Wear resistance The escape device for a trench over 4 feet deep MUST be within a MAXIMUM of - Answer- 25 feet of the worker What is the correct sequence for installing a bi-fold door - Answer- Top track, lower track, insert bottom pivot, insert upper pivot What is the MINIMUM height for a stairway handrail - Answer- 34 inches How MUST rafters be framed to each other - Answer- With rectangular ties The nailing holes in aluminum and vinyl siding are elongated to allow for - Answer- Expansion and contraction