Textbook Assignment: "Heating Systems" (continued), chapter 4, pages 4-4 through 4-36.
An installed equipment item and a
component of a system, consisting of
an extended or finned heat transfer
surface, and a propeller or blower fan
to create an airflow through it is
known as what type of heating unit?
1. Central heater
2. Central heating system
3. Unit heating system
4. Unit heater
What type of direct-fired unit
generates heat directly by an electrical
coil or by a combustible fuel?
1. Space heater
2. Central heater
3. Space distribution heater
4. Unit heating system
Of the following types of heaters,
which one is NOT a type of unit
One kilowatt equals a total of how
many Btu per hour?
Electric space heaters are operated
manually with an ON-OFF switch or
automatically with a
What are the two types of gas heaters?
1. Butane and propane
2. Manual and automatic
3. Direct fired and indirect fired
4. Vented and unvented
1. Suspended horizontal discharge
2. Suspended vertical discharge
Vertical forced warm-air
4. Horizontal type of blower unit
Space heaters are desirable as a means
of providing heat to a small space
because of their simplicity of
construction, low initial cost, and
reasonable fuel consumption.
A vented gas heater is preferred over
an unvented heater because
the flame burns in a open
the flame bums in the lower
portion of the burner
there is less danger of carbon
there is less danger of explosion