Copyright Goodheart-Willcox Co., Inc. 113
Chapter
Assessment
Name __________________________________________Date _________________Class ______________________________
Know and Understand
________1. The duct fi tting used to connect two
different-sized duct sections is the
_____.
A. offset
B. boot
C. takeoff
D. transition
________2. The duct fi tting used to direct a duct
run around an obstruction is the ______.
A. offset
B. boot
C. takeoff
D. transition
________3. The duct fi tting that connects a duct
runout to a main supply duct is the
______.
A. offset
B. boot
C. takeoff
D. transition
________4. The duct fi tting that connects a branch
duct to a supply register is the ______.
A. offset
B. boot
C. takeoff
D. transition
________5. Which of the following best describes the
elbow shown in the following fi gure?
10 x 20
8-B
A. Easy bend radius elbow with
turning vanes
B. Easy bend radius elbow without
turning vanes
C. Hard bend radius elbow with
turning vanes
D. Hard bend radius elbow without
turning vanes
________6. A main difference between a grille and
a louver is that a ______.
A. louver has fi xed slats, whereas a
grille may have adjustable slats
B. grille has fi xed slats, whereas a
louver may have adjustable slats
C. grille is installed in ceilings, whereas
a louver is installed in walls
D. louver is installed in ceilings,
whereas a grille is installed in walls
10
x
20