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Washington Window Installer Certification
Examination — Commercial Exam Practice Questions
And Correct Answers||Verified Exam!!! (Verified
Answers) Plus Rationale 2026/2027 Q&A| Instant
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A vertical member separating two window unit which are
installed one beside the other - Answer-Mullion
A meeting or check rail is usually found on a ... - Answer-
Double hung window
The transom sash may be defined as.... - Answer-A single
sash that fills an opening above a door
What is the standards slope for an exterior window sill -
Answer-11 degrees
A type of window that is hinged at the top and swings
outward is a.... - Answer-Awning
When ordering windows, the window configuration is
viewed from.... - Answer-The outside of the house
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When ordering an XO sliding window, X refers to.... -
Answer-The sliding part of the window
The horizontal component of a sash is called a ... -
Answer-Rail
The part of a window that divides a sash into individual
lights is called a .... - Answer-Muntin
During window installation, why is the bottom flange not
caulked? - Answer-To allow moisture to drain
A type of window that is hinged on the side and swings
outward is a .... - Answer-Casement
The window with a sash hinged at the sides is a ... -
Answer-Casement
A low e window..... - Answer-Helps to keep the building
cool in summer and warm in winter
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How do double pane windows benefits from having a
heavy gas placed in between the plane - Answer-By
slowing down convection
What are the purposes of windows? - Answer-Provide light
and ventilation to the inside of a building and allow the
occupants to see out, may be fire escapes
Name the five types of windows - Answer-Double hung,
sliding, casement, awning, hopper
What does the dashed line indicate in an elevation view of
a window? - Answer-Opening sash and the lines point
toward the hinge location
What are the nominal dimension of a 50-30 window? -
Answer-5'0" width x 3'0" height
Why are triple-glazed units expensive? - Answer-The
frame size must be increased in thickness to incorporate
the extra-thick sealed units
Washington Window Installer Certification
Examination — Commercial Exam Practice Questions
And Correct Answers||Verified Exam!!! (Verified
Answers) Plus Rationale 2026/2027 Q&A| Instant
Download Pdf
A vertical member separating two window unit which are
installed one beside the other - Answer-Mullion
A meeting or check rail is usually found on a ... - Answer-
Double hung window
The transom sash may be defined as.... - Answer-A single
sash that fills an opening above a door
What is the standards slope for an exterior window sill -
Answer-11 degrees
A type of window that is hinged at the top and swings
outward is a.... - Answer-Awning
When ordering windows, the window configuration is
viewed from.... - Answer-The outside of the house
,2|Page
When ordering an XO sliding window, X refers to.... -
Answer-The sliding part of the window
The horizontal component of a sash is called a ... -
Answer-Rail
The part of a window that divides a sash into individual
lights is called a .... - Answer-Muntin
During window installation, why is the bottom flange not
caulked? - Answer-To allow moisture to drain
A type of window that is hinged on the side and swings
outward is a .... - Answer-Casement
The window with a sash hinged at the sides is a ... -
Answer-Casement
A low e window..... - Answer-Helps to keep the building
cool in summer and warm in winter
, 3|Page
How do double pane windows benefits from having a
heavy gas placed in between the plane - Answer-By
slowing down convection
What are the purposes of windows? - Answer-Provide light
and ventilation to the inside of a building and allow the
occupants to see out, may be fire escapes
Name the five types of windows - Answer-Double hung,
sliding, casement, awning, hopper
What does the dashed line indicate in an elevation view of
a window? - Answer-Opening sash and the lines point
toward the hinge location
What are the nominal dimension of a 50-30 window? -
Answer-5'0" width x 3'0" height
Why are triple-glazed units expensive? - Answer-The
frame size must be increased in thickness to incorporate
the extra-thick sealed units
