Gate Hardware & Access Control Flashcards
7 cards from real CFC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Gate Hardware & Access Control flashcards as text
What type of hinge is most commonly specified for heavy commercial swing gates requiring post-installation adjustment?
Answer: Weld-on adjustable hinge
Weld-on adjustable hinges provide the structural strength and three-way adjustability needed for heavy commercial swing gates.
Which latch type offers the greatest security for a single swing gate by allowing locking from both sides of the fence?
Answer: Padlock-compatible double-sided latch
A padlock-compatible double-sided latch enables access from inside and outside while also accepting a padlock for added security.
What is 'gate sag,' and which component is typically installed to prevent it?
Answer: Gate dropping at the latch end; an anti-sag kit or tension rod
Gate sag occurs when the unsupported latch end of a gate droops under its own weight; anti-sag kits with diagonal tension rods counteract this force.
For a double swing gate system, what component ensures the two gate leaves close in the correct sequence?
Answer: Gate coordinator
A gate coordinator mechanically links both leaves so the active (latch) leaf always closes after the passive (strike) leaf, ensuring proper latching.
What is the primary function of a gate stop installed on a swing gate?
Answer: To prevent the gate from opening too wide and to protect hinges from over-extension
Gate stops limit the swing arc to prevent hinges from being over-extended, which would cause premature failure of the hinge hardware.
Which material is most appropriate for gate hinges on a vinyl privacy fence installed in a coastal saltwater environment?
Answer: 316 stainless steel or powder-coated aluminum
Grade 316 stainless steel and powder-coated aluminum contain alloying elements that resist chloride-induced corrosion in marine environments.
What is the minimum recommended number of hinges for a residential swing gate that is 4 feet wide and 6 feet tall?
Answer: 2
Two hinges are the standard minimum for residential gates of typical size, providing adequate support to prevent sag and ensure smooth operation.