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HVAC G3 STUDY GUIDE WITH VERIED SOLUTIONS 2024.
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HVAC G3 STUDY GUIDE WITH VERIED SOLUTIONS 2024.
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HVAC G3 STUDY GUIDEWITH VERIED
SOLUTIONS 2024
Voltage
is electrical pressure - the potential difference
between two points in circuit
Power (measured is watts)
is the rate at which Electrical energy is delivered to
a load
Current (measured in Amperes)
is the flow of electrons
Air vents
take in outside air and bring it in using diffusers
heat
always moves from hot to cold
Absolute Zero
starts at -460°F / 273°C and is where ALL molecular
activity STOPS
Latent heat
is hidden heat
BTU (British Thermal Unit)
, is the amount of heat required to move 1 pound of
water 1°F
To calculate Fahrenheit
simply take (1.8 × °C) + 32
To calculate Celsius
simply take (°F - 32) ÷ 1.8
Heat
is the motion of molecules, which can't be
destroyed of created ONLY transfered from one
substance to another
Sensible heat
a change in both state and temperature
Latent heat
a change in just state not temperature
Ladder Safety ratio
1:3
Ladder Safety protocol includes
Must use handrails and allow for overlap over roof
top. Must inspect a ladder before use.
Must use 3 point contact
Arc Flash
is the release of kinetic energy resulting in a bright
sun-like Flash
Confined Space
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