WorksheetsDuctwork
Total questions: 15
Worksheet time: 30mins
A perimeter duct system is usually found in what type of home?
Modular
A home built on a concrete slab
A house made out of brick
In an attic
An extended plenum system combines rectangular duct with (a) pipes.
The four types of forced air distribution systems are
round pipe system,
oval pipe system,
rectangle duct system,
Flex duct system
open system,
closed system,
attic system,
Basement system
radial system,
extended plenum system,
reducing extended plenum system,
perimeter system
warm air system,
cold air system,
supply system,
return system
The main benefit of a multi-position furnace is.
that it can be a counter-flow furnace
it can reduce time to install
it is easier to work on
it reduces inventory costs.
A plenum bonnet is usually constructed of what material?
ductboard
round pipe
rectangular duct
galvanized sheet metal
Ductwork begins at the (a) or air handler
The three most common guages of galvanized sheet metal rectangular duct is.
28, 26, and 24 gauge
24, 22, and 20
gauge
20, 18, 16,
10, 12, and 14 gauge
A radial duct system uses what between the plenum and the register boot.
a plenum
round pipe
insulated duct
a radial tire
Rectangular duct is mainly used as a trunk line or _________ plenum.
radial
reducing
perimeter
extended
Duct board is made out of what type of material?
cardboard
compressed fiberglass
wood
cardboard and fiberglass
The most common type of evaporator coil is what?
an A coil
a slab coil
an upflow
condensing coil
Supply air distribution systems include the _________ the main __________ line, and all the __________ serving different living spaces.
hot air
supply
registers
cold air
return
grilles
supply
air
registers
plenum
trunk
branches
Reducing extended plenum systems are supposed to create what?
hotter air
a standardized system
better return flow
more even airflow
Standard round pipe typically comes in what gauges.
22, 24, 26
10, 12, 14
30, 28, 26
20, 22, 24
Insulated flexible duct is usually found in what type of installation?
Where it is cold
easier to install
attic and crawlspace
hard to reach places
