Download PASSEMALL Prep app now
Scan QR code or get instant email to install app
Question:
Comments
Your email address will not be published. Required fields are marked *
Comment *
Name*
Email*
URL
Save my name, email, and website in this browser for the next time I comment.
The rate of heat consumption (BTU/hr ) has the unit of _____:
Power
A Btu is a unit of heat energy:
True
The heat content of a substance is called ________:
Enthalpy
A heat exchanger in an HVAC system or home furnace uses _____ to transfer heat.
Conduction
When the temperature of the substance is reduced to -273 C or 0 K molecular movement in the substance:
Does not move
_____ separates the steam side of the heating system from the condensate side:
Steam trap
The space heater does heat the air:
False
Economizers typically increase overall boiler efficiency by _____ :
4%
1 boiler horsepower = ______ Btuh
33,475
Air is drawn through the combustion chamber by an Induced Draft fan or blower to maintain a ______ pressure:
Negative
The Celsius scale is divided into _______ degrees, from the freezing point of water to the boiling point
100
Comments