On a fail-safe electrified mortise lock, what happens to the outside lever when power is lost?
Aloa Icpl Access Control
Question · Easy
Which credential technology uses 125 kHz low-frequency RFID and is widely considered the easiest to clone?
Question · Medium
An institutional door uses an electric strike with a 12 VDC continuous-duty coil. What is the most common reason a properly wired strike chatters or buzzes loudly when energized?
Question · Hard
Which NFPA 101 provision requires that an electromagnetic lock release upon activation of the building fire alarm?
On an access-controlled egress door using a mag-lock, the request-to-exit (REX) sensor most commonly used is a:
A delayed-egress lock under NFPA 101 must release after how many seconds of continuous applied pressure?
Which Wiegand-format field length is most associated with the legacy 26-bit format?
What OSDP feature provides encrypted communication between the reader and controller, replacing the unencrypted Wiegand protocol?
When sizing a 12 VDC linear power supply for two mag-locks rated 550 mA each plus one electric strike at 250 mA, the minimum total current capacity should be at least:
An electrified cylindrical lock has a 6-conductor harness from the chassis. Which conductor pair is typically reserved for the request-to-exit (REX) signal back to the access panel?
Which type of access-control credential combines a contactless smart-card chip with mutual authentication and AES encryption?
A power transfer device for an electrified lockset on a swinging door is most commonly an:
On a stand-alone battery-powered electronic lock used on classroom doors, what is the most common reason for intermittent unlock failures?
What is the primary function of an electrified lever trim on an exit device?
Door closer 'spring power' sizes 1 through 6 are governed by which standard?
Aloa Icpl Door Closers
For a standard 36-inch interior office door of average weight, what closer size is typically recommended?
ADA 404 maximum opening force for an interior non-fire-rated swinging door is:
On a hydraulic surface closer, what does the latching-speed valve control?
Which closer arm style applies the most efficient mechanical advantage and is preferred on heavy exterior doors with limited space above?
The backcheck valve on a hydraulic closer is intended to:
Which closer feature is required on a hold-open arm used on a fire-rated door?
A typical parallel-arm closer mounted on the push side will deliver approximately what percentage of the mechanical efficiency of the same closer mounted regular-arm on the pull side?
What is the most common cause of a closer leaking oil at the spindle?
On a concealed-in-frame closer, the soffit plate is mounted to:
ADA opening force does NOT apply to which of the following?
A closer with a 'delayed action' feature is intended to:
Which ANSI/BHMA standard governs exit (panic) hardware?
Aloa Icpl Exit Devices
Panic hardware on a labeled fire door must be listed to which standard in addition to A156.3?
Why is mechanical dogging prohibited on a fire-rated exit device?
The maximum operating force required by ANSI A156.3 on an exit-device push pad is:
On a surface vertical rod (SVR) exit device, the top and bottom latches engage:
Concealed vertical rod (CVR) devices route the operating rods:
Which exit-device feature allows the latch to be electrically retracted on command from an access-control system or fire-alarm interface?
Per IBC, where panic hardware is required, the actuating portion of the device must extend across at least:
A 'less-bottom-rod' (LBR) SVR exit device is most often paired with which floor-level component to maintain latching of the inactive leaf?
Which device function code (per A156.3) refers to a 'night latch' exit device with outside key access only when the inside push pad is depressed?
What is the minimum panic-hardware push-pad mounting height range (per ADA and BHMA)?
Which test standard governs positive-pressure fire-door assembly testing in the United States?
Aloa Icpl Fire Rated
NFPA 80 specifies a maximum clearance under the bottom of a fire-rated door of:
Per NFPA 80, the maximum allowable clearance between the door and the frame at the top and along the vertical edges of a fire door is:
A 3-hour fire-rated door is typically used at which location?
On a fire-door inspection, an auxiliary item that is NOT permitted is:
An intumescent seal expands when exposed to heat and is used to:
Which agency historically certifies most US fire-rated door labels?
What does the 'temperature rise' rating on a stair-tower fire door indicate?
Which closer accessory is REQUIRED on a pair of fire-rated doors with overlapping astragals to ensure correct closing order?
Per NFPA 80, who is required to perform fire-door inspections annually?
A 20-minute door used at a 1-hour fire-rated corridor must:
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