OSHA - correct answer ✔Occupational Safety & Health Administration
GFCI - correct answer ✔A Ground Fault Circuit Interrupter (GFCI) or
Residual Current Device (RCD) is a device that shuts off an electric power
circuit when it detects that current is flowing along an unintended path, such
as through water or a person.
RCD - correct answer ✔Residual Current Device (RCD) or a Ground Fault
Circuit Interrupter (GFCI) is a device that shuts off an electric power circuit
when it detects that current is flowing along an unintended path, such as
through water or a person.
NEMA - correct answer ✔National Electric Manufacturers Association
MERV - correct answer ✔
CHP - correct answer ✔Combined Heat & Power (Co-Generation)
PRV - correct answer ✔Pressure Reducing Valve
BPI - correct answer ✔Building Performance Institute
MFBA - correct answer ✔Multi Family Building Analyst
EPA - correct answer ✔Environmental Protection Agency
,CAZ - correct answer ✔Combustion Appliance Zone
NFPA - correct answer ✔National Fire Protection Association
AGA - correct answer ✔American Gas Association
HVAC-R - correct answer ✔Heating, Ventilation, Air-Conditioning &
Refrigeration
SSE - correct answer ✔Steady State Efficiency
AFUE - correct answer ✔Annual Fuel Utilization Efficiency
CO2 - correct answer ✔Carbon Dioxide
SHW - correct answer ✔Service Hot Water - for commercial applications.
Water temp can go up to 180 degF for activities like commercial dish washing
DHW - correct answer ✔Domestic Hot Water
OFWH - correct answer ✔Oil-Fired Water Heater
OFF - correct answer ✔Oil-Fired Furnace
PPM - correct answer ✔Parts Per Million
,ASHRAE - correct answer ✔American Society of Heating, Refrigeration and
Air Conditioning Engineers
CH4 - correct answer ✔Methane otherwise know as natural gas.
CO - correct answer ✔Carbon Monoxide - lethal gas that is a bi-product of
combustion. Sign of incomplete combustion, typically due to insufficient
combustion air.
EEM - correct answer ✔Energy Efficiency Measure
ECM - correct answer ✔Energy Conservation Measure
UST - correct answer ✔Underground Storage Tank
Atm - correct answer ✔Atmosphere - A unit measure of air pressure,
specifically Atmospheric Air Pressure
ECO - correct answer ✔Energy Conservation Opportunity
Pa - correct answer ✔Pascals - A unit measure of Air Pressure
VFD - correct answer ✔Variable Frequency Drive - a type of control for
motors and drives that modulates the frequency (and this he speed) of a
motor, to account for varying loads, and can lead to significant energy savings
(see affinity laws).
, PSIG - correct answer ✔Pounds Per Square Inch Gage (Unit of Air
Pressure)
V (VAC) - correct answer ✔Volts (Volts in Alternating Current)
AD / DC - correct answer ✔Alternating Current / Direct Current
A (mA) - correct answer ✔Amps (Mili-Amps)
W (kW) - correct answer ✔Watts (Kilo-Watts)
LF - correct answer ✔Load Factor
Wh (kWh) - correct answer ✔Watt-Hour (Kilo-Watt Hour)
HP - correct answer ✔Horse Power
Ph - correct answer ✔Phases
Hz - correct answer ✔Hertz
FLA - correct answer ✔Full Load Amperage
RLA - correct answer ✔Reduced Load Amperage
HRV - correct answer ✔Heat Recovery Ventilation