Deck 31: Windows and Doors

Question 1

Which of the following terms describes an intermediate horizontal member of a window frame?

A)Mullion
B)Stile
C)Rail
D)Jamb
E)Muntin

Answer 1

C

Question 2

Screw splines are provided in

A)window and curtain wall frames made from vinyl.
B)window and curtain wall frames made from wood.
C)window and curtain wall frames made from aluminum.
D)window and curtain wall frames made from steel.
E)all of the above.

Answer 2

C

Question 3

Screw splines are round, hollow intrusions in frame members that facilitate the connection of horizontal and vertical members of

A)a steel window.
B)a wood window.
C)a vinyl window.
D)an aluminum window.
E)all of the above.

Answer 3

D

Question 4

A hollow metal door frame is obtained from

A)tubular steel.
B)tubular steel and sheet steel welded together.
C)sheet steel that is pressed into shape.
D)none of the above.

Question 5

Which of the following terms describes an intermediate vertical member of a window frame?

A)Mullion
B)Stile
C)Rail
D)Jamb
E)Muntin

Question 6

A hollow metal door frame is installed so that it

A)butts against the jambs of a CMU wall.
B)wraps around the jambs of a CMU wall.
C)A or B.
D)A and B.

Question 7

Nailing flanges are only provided in steel windows.

Question 8

The term picture window implies

A)an operable window.
B)a fixed window whose height is greater than its length.
C)a fixed window.
D)a fixed window whose length is greater than its height.
E)none of the above.

Question 9

The term direct- glaze window implies

A)a fixed window whose length is greater than its height.
B)an operable window.
C)a fixed window whose height is greater than its length.
D)a fixed window.
E)none of the above.

Question 10

Snap- on joinery is generally used in

A)steel windows.
B)aluminum windows.
C)wood windows.
D)all of the above.
E)none of the above.

Question 11

The use of nailing flanges in windows also requires the use of

A)two L- shaped trims.
B)retainer clips.
C)none of the above.
D)both A and B.
E)either A or B.

Question 12

Which of the following window types can provide up to 100% ventilation when fully open?

A)Casement window
B)Sliding window
C)Double- hung window
D)Single- hung window
E)All of the above

Question 13

Which of the following terms is used with fire- rated windows or doors?

A)Fire- resistance rating
B)Fire- protection rating

Question 14

Which of the following windows is top- hung?

A)Pivoting window
B)Hopper window
C)Awning window
D)Casement window
E)None of the above

Question 15

The label on an NFRC- rated window must include the

A)U- value and visible transmittance.
B)U- value and shading coefficient.
C)Solar heat- gain coefficient and air infiltration.
D)U- value and solar heat gain coefficient.
E)U- value and air infiltration.

Question 16

In vinyl- (or aluminum- )clad windows, the cladding is used on exterior

A)window frame members.
B)sash frame members.
C)both window frame and sash frame members.

Question 17

Fire- rated doors are rated as

A)3 h, 120 min, 60 min, or 30 min.
B)4 h, 3 h, 2 h, 1 h, or 30 min.
C)4 h, 3 h, 2 h, or 1 h.
D)3 h, 90 min, 60 min, 45 min, or 20 min.
E)none of the above.

Question 18

In a window that carries the performance label "HS- C30 71 × 59," the letter C indicates that the window

A)is a C- grade window.
B)is a casement window.
C)belongs to a performance class called commercial.
D)none of the above.

Question 19

Most windows are shop- glazed so that they arrive at the construction site in a fully assembled condition.

Question 20

In a window that carries the performance label "HS- C30 71 × 59," the number 30 indicates that the window

A)conforms to the applicable standard up to a size of 30 in. × 30 in.
B)will leak a maximum of 30% of the room's air per hour.
C)should not be subjected to a maximum wind load of 30 psf.
D)should not be subjected to a maximum combined wind load and vapor pressure of 30 psf.
E)none of the above.

Question 21

In addition to energy performance rating by NFRC, windows are also rated for: (i)wind load resistance (structural performance), (ii)water leakage, (iii)resistance to forced entry, and (iv)air leakage. Is this part of NFRC rating?

Question 22

Using leader lines and labels, identify thermal breaks in the aluminum cross section given in the following window head detail.

Question 23

The horizontal and vertical framing members of an aluminum window are screw- fastened together through screw splines, produced by the extrusion process. The following sketch shows a typical joinery detail of vertical and horizontal framing members. Using leader lines and labels, identify all screw splines in this sketch.

Question 24

Using leader lines and labels, identify the following window elements on the sketch below:
(i)rough jamb, (ii)rough sill, (iii)nailing flange, (iv)window head, (v)window sill, (vi)window sash, (vii)munt
(viii)window mullion.
(Note: To shorten the question, the Instructor may delete some elements or convert into two questions with repe sketch.)

Question 25

The performance grade (PG)of a window gives the permissible design wind load on the window. For instance, PG30 means that the design wind load on the window is 30 psf. What is the safety factor required in the window's resistance to wind load? Explain.

Question 26

Name (full version and its acronym)the U.S. organization that is recognized for rating windows for energy performance.

Question 27

Sketch the following window styles: (a)casement window, (b)double- hung window, (c)single- hung window,
(d)awning window, and (e)hopper window.

Question 28

Steel windows went out of use after the development of the aluminum window industry. However, steel windows are preferred in a few applications. Which are those?

Question 29

What is the typical difference in the dimensions of rough opening and the end- to- end dimensions of a window?

Question 30

Give reasons for the popularity aluminum in contemporary windows and curtain walls.

Question 31

What is the maximum permissible air leakage rating for windows in the U.S. per the International Energy Conservation Code (IECC)?

Question 32

Aluminum has high thermal conductance. Therefore, aluminum windows are inefficient in terms of energy consumption. How is the aluminum window industry addressing this problem?

Question 33

A window has been rated as HS- C35 71 × 59. Explain each term of the rating.

Question 34

Which of the following terms refers to thin and narrow horizontal and vertical members of a window sash?

A)Mullion
B)Stile
C)Rail
D)Jamb
E)Muntin

Question 35

The performance of windows to water intrusion is a function of air pressure difference on the inside and outside surfaces of the window. The pressure difference for which a window is tested for water intrusion is a function of its performance grade (permissible design wind load). What is the relationship between the performance grade of a window and the pressure difference for which it is tested for water intrusion?

Question 36

Which energy performance ratings are mandated on an NFRC label and which are discretionary to the manufacturer?

Question 37

Which materials are commonly used in contemporary windows?

Question 38

A stool is used in a window in the building's interior.

Question 39

Provide the commonly used nomenclature for the following window types. (Note: To shorten the question, the Instructor may delete some windows or convert the question into two questions.)

Question 40

Using leader lines and labels, identify the following window elements in the sketch below: (i)stool, (ii)apron,
(iii)glazing stop, (iv)jamb extension, (v)trim, (vi)weather- stripping, (vii)window head, (viii)window sill, and sealant and backer rod. (Note: To shorten the question, the Instructor may delete some items or convert into two questions with repeat sketch.)
SECTION THROUGH A WOOD WINDOW

Question 41

Sketch in plan a hollow metal door frame and its junction with (a)a metal- stud wall and (b)a CMU wall.

Question 42

Explain the purpose and anatomy of a nailing flange. Which types of windows are typically provided with nailing flanges?

Question 43

Which materials are commonly used for cladding wood windows? What is the purpose of cladding, and which parts of a window are clad? Explain how the cladding helps to secure a window to the opening.

Question 44

Sketch in plan various types of wood door frames, and give the terminology used to describe various parts of a door frame.

Question 45

What does the acronym NFRC stand for? List the information provided in an NFRC label.

Question 46

Using sketches, explain the following terms: (a)punched windows, (b)strip windows, (c)window wall, and (d)curtain wall.