GRADED A+ LATEST UPDATE.
1. The MINIMUN length drywall screw for installing 1/2 inch gypsum board to
wood studs is ANS >> 1 1/4 inches
2. What is the MINIMUM breaking strength required of safety belt lanyards ANS
>> -
5,400 pounds
3. What is the MINIMUM clearance that combustible insulation MUST other
heat-producing devices ANS >> 1 inch
mailto:https://www.stuvia.com/user/techgrades 1/
10
, 4. What is the MAXIMUM flame spread index for insulation materials ANS >> 25
5. The amount of water per sack of cement is what controls all EXCEPT ANS >>
Wear resistance
6. The escape device for a trench over 4 feet deep MUST be within a MAXIMUM
of ANS >> 25 feet of the worker
7. What is the correct sequence for installing a bi-fold door ANS >> Top track,
lower track, insert bottom pivot, insert upper pivot
8. What is the MINIMUM height for a stairway handrail ANS >> 34 inches
9. How MUST rafters be framed to each other ANS >> With rectangular ties
10. The nailing holes in aluminum and vinyl siding are elongated to allow
for ANS >> Expansion and contraction
11. What are batter boards ANS >> stakes and ledger boards marking building lines
12. The first step that needs to be taken prior to starting any excavation work
is ANS >> contracting the local utility companies
13. What is the MAXIMUM distance horizontal reinforcement can be placed
from the top of a masonry partition wall ANS >> 16 inches
mailto:https://www.stuvia.com/user/techgrades 2/
10