Lab
What does HVAC stand for?
Heating Venting and Air Conditioning
Amps X Volts =
WATTS (Power)
What is the leading cause oaf accidents while using torch to braze copper?
carelessness
This device increases pressure.
Compressor
Recovery cylinders can be filled to a maximum percentage of full.
80%
What does ERV stand for?
Energy Recovery Ventiltor
Volts / Ohms =
Amps
What is needed to create a fire?
Fuel heat and oxygen
This device rejects heat into the unconditioned space.
Condenser
Atmospheric pressure at sea level is approximately this PSIA.
15
What does HRU stand for?
Heat Recovery Unit
True or false
The human body is a good conductor of electricity.
True
What dictates the severity of electrical shock?
Current
This component absorbs energy from the conditioned space's airstream.
Evaporator
The transfer of heat place it is not wanted to a place where it is less objectionable.
Refrigeration
What does T.U. stand for?
Terminal Unit or Top Up
Where does electricity want to go?
The ground
How far should a ladder extend above the point of support?
Three feet
This device creates a pressure drop within the system.
Metering device
This type of heat changes with temperature.
Sensible
What does MEP stand for?
Mechanical Electrical Plumbing
Who discovered alternating current?
Nikola Tesla
What needs to be done when a technician disconnects a device for service?
LOTO
This system transfers heat from an undesired space to a less objectionable space.
Refrigeration system
What type of heat changes the state of matter?
Latent