NAA CAMT flashcards

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

Emergency Work Order Criteria

Conditions posing imminent risk to health, safety, or property, such as no heat, no water, gas odor, sewage backup, active flooding, electrical hazard, or total lockout, are dispatched immediately.

Routine Work Order Target

Non-urgent repairs that do not affect habitability, such as a dripping faucet or cosmetic damage, are typically scheduled and completed within three to seven business days.

Entry Notice Requirement

Except in emergencies or when the resident requests service, management must give the resident written notice, commonly twenty-four hours, before entering the unit for non-emergency repairs.

Work Order Lifecycle

The standard sequence is to receive and log the request, prioritize it, assign a technician, perform and document the repair, close the ticket, then follow up with the resident.

Work Order Closure Criteria

A ticket is closed only when the repair is verified complete, parts and labor hours are recorded, the resident is notified or signs off, and any follow-up inspection is scheduled.

Preventive Maintenance Work Order

A recurring ticket generated from a schedule rather than a resident request, covering tasks such as filter changes, HVAC inspections, and gutter cleaning to prevent failures and extend equipment life.

Response Time Metric

Calculated by averaging the elapsed time between when a request is logged and when a technician arrives, it is tracked separately from total completion time to measure dispatch efficiency.

Deadbolt Throw Minimum

The bolt extension of a residential deadbolt should be at least one inch, with strike plates fastened by three-inch screws that reach the wall framing for forced-entry resistance.

Exterior Joint Caulk Selection

Silicone or polyurethane sealant is used at exterior and wet-area joints because it resists water and ultraviolet light; paintable acrylic caulk is limited to interior joints that will be painted.

Downspout Discharge Distance

Downspouts should discharge three to five feet from the foundation and slope away from the building so roof runoff does not saturate soil against the basement wall or slab.

Siding Grade Clearance

Siding, especially wood or hardboard, should stop six to eight inches above finished grade to prevent moisture wicking, rot, and termite tube access.

Drywall Repair Sequence

Cut the damage back to sound material, install backing or a patch, tape and apply three coats of joint compound with sanding between coats, then prime and paint to match.

Paint Coverage Estimate

One gallon of interior latex covers roughly 350 to 400 square feet in a single coat; divide total wall area by that figure to estimate gallons needed for two coats.

T&P Relief Valve Setpoints

A water heater temperature-and-pressure relief valve typically opens at 150 psi or 210 degrees Fahrenheit, and its discharge pipe must terminate within six inches of the floor.

Water Heater Storage Temperature

Setting the thermostat to 120 degrees Fahrenheit reduces scalding risk and standby energy loss; higher settings require tempering valves at fixtures used by children or elderly residents.

P-Trap Seal Depth

The water seal in a properly installed P-trap is two to four inches deep, which blocks sewer gas from entering the unit while still allowing wastewater to drain freely.

Static Water Pressure Range

Normal building supply pressure is 40 to 80 psi; pressure above 80 psi requires a pressure-reducing valve and can damage fixtures, valves, and appliance solenoids.

Running Toilet Water Loss

A leaking flapper or faulty fill valve can waste hundreds of gallons per day; confirm by shutting the fixture angle stop and observing whether the tank level changes.

Meter Leak Test

Shut off every fixture and appliance, confirm no water is being used, then watch the meter's low-flow indicator; any movement confirms a leak in the supply system.

GFCI Required Locations

Ground-fault circuit interrupter protection is required for bathroom, kitchen, laundry, garage, and outdoor receptacles and for any receptacle within six feet of a sink.

Breaker and Wire Size

A 15-amp breaker protects 14 AWG copper, a 20-amp breaker protects 12 AWG, and a 30-amp breaker protects 10 AWG; the breaker must never exceed the conductor ampacity.

Class C Extinguisher Use

Class C extinguishers use non-conductive agents such as carbon dioxide or dry chemical and are the only type rated for energized electrical equipment; water must never be applied.

Lockout Tagout Steps

Before servicing equipment, shut off the power, apply a lock and tag at the disconnect, verify the circuit is de-energized with a tester, and restore power only when work is complete.

Short Versus Ground Fault

A short circuit is an unintended hot-to-neutral connection; a ground fault is current leaking from hot to ground, often through water or a person, which is what GFCI devices sense.

Refrigerator Coil Cleaning

Condenser coils should be cleaned every six to twelve months with a coil brush or vacuum; dust buildup reduces heat rejection, raises energy use, and shortens compressor life.

MERV Filter Range

Residential HVAC filters commonly range from MERV 8 to MERV 13; higher ratings capture finer particles but raise static pressure, so the blower must be rated for the restriction.

Filter Change Interval

Standard one-inch filters are changed every one to three months; the interval shortens in dusty environments, with pets, or when the filter appears visibly loaded with debris.

Cracked Heat Exchanger Hazard

A cracked heat exchanger in a gas furnace can release carbon monoxide into supply air; indicators include flame roll-out, soot, and CO alarms, and the unit must be shut down.

Thermostat Setback Savings

Setting the thermostat back seven to ten degrees Fahrenheit for eight hours daily, such as during work or sleep hours, typically saves about ten percent on heating and cooling costs.

Superheat Target Range

For a fixed-orifice residential air conditioner, measured superheat at the suction line is typically set to eight to twelve degrees Fahrenheit to confirm the correct refrigerant charge.

Condensate Drain Trap

Air handlers require a trapped condensate drain sloping toward the discharge; the trap holds a water seal that prevents conditioned air from escaping and stops sewer gas migration.

PASS Extinguisher Technique

To use a fire extinguisher, Pull the pin, Aim at the base of the flames, Squeeze the handle, and Sweep side to side while backing away from the fire.