Design Materials and Assembly Part 2

If the floor of a steel-frame building has only primary and secondary components, the secondary components consist of

A. steel joists

B. joist girders

C. floor deck

D. W-section beams

E. none of the above

floor deck

Which of the following ferrous metals is least corrosion resistant?

A. wrought iron

B. cast iron

C. steel

cast iron

The preliminary framing layout of a building is generally prepared by the

A. project’s structural engineer

B. general contractor

C. steel fabricator

D. project architect

E. none of the above

project architect

In connecting a steel column to concrete foundations, anchor bolts are used. These bolts are embedded into the foundation by

A. a specialized bolt-embedding outfit

B. the general contractor

C. the fabricator

D. the erector

E. none of the above

the general contractor

Which of the following ferrous metals is so called because

A. cast iron

B. steel

C. wrought iron

cast iron

A W-shape section is so called because

A. it is an I-section with a wide web

B. it is a rectangular section whose width is larger than its depth

C. it is an I-section with wide flanges

D. its cross-sectional shape resembles the letter W

it is an I-section with wide flanges

If the floor of a steel-frame building has primary, secondary, and tertiary components, the secondary components consist of

A. W-shape beams

B. steel joists

C. steel joist girders

D. any one of the above

E. A or B

A or B

The amount of corrosion protection required in CFS members is generally

A. Cp40

B. Cp30

C. Cp60

D. Cp50

E. varies with the application

varies with the application

The use of bridging channels requires

A. unpunched tracks

B. punched studs

C. punched tracks

D. unpunched studs

E. none of the above

punched studs

Field bolting of steel members is generally preferred over field welding

True of False

True

The use of two nested top tracks in the framing of an interior gypsum board partition

A. provides greater bending strength in the wall

B. absorbs the deflection of the overhead structure

C. seals the partition against the passage of smoke

D. provides greater fire resistance in the wall

E. provides greater shear strength in the wall

absorbs the deflection of the overhead structure

The fabrication of structural steel components in done based on

A. structural construction drawings

B. architectural construction drawings

C. both A and B

D. shop drawings

E. none of the above

shop drawings

An electric arc furnace uses

A. three electrodes to melt steel scrap

B. two electrodes to melt iron ore

C. two electrodes to melt steel scrap

D. three electrodes to melt iron ore

E. none of the above

three electrodes to melt steel scrap

In a steel angle, both legs must have the same thickness but may be of different lengths

True or False

True

CFS studs are C-shaped

True or False

True

The preliminary framing layout of a steel-frame building is generally presented in

A. elevation view

B. plan view

C. three-dimensional view

D. all of the above

E. none of the above

plan view

If the gypsum board in a CFS interior partition extends the full height of the partition (i.e., from top track to bottom track) on both sides, the partition is considered as

A. fully braced

B. braced 12 in. on center if the stud spacing is 12 in.

C. braced 16 in. on center if the stud pacing is 16 in.

D. braced 24 in. on center if the stud spacing is 24 in.

E. unbraced

fully braced

Steel joists are braced against instability by

A. horizontal bridging members at the bottom of the joists

B. horizontal bridging members at the top of the joists

C. A or B

D. A and B

E. none of the above

A and B

Cold-formed steel (CFS) is used in load-bearing walls, non-load-bearing walls, floors, and roofs

True of False

True

Diagonal bridging may be used as an alternative to horizontal bridging to stabilize steel joists

True of False

True

Hydrated lime is obtained by treating

A. limestone with water

B. quicklime with water

C. slaked lime with Portland cement

D. slaked lime with water

E. quicklime with Portland cement

quicklime with water

The purpose of concrete topping on hollow-core slabs is to

A. increase the sound insulation of the floor

B. increase the fire rating of the floor

C. structurally integrate the slabs

D. level the top of slabs

E. all of the above

all of the above

The formwork used for a waffle slab has

A. a U-shaped profile

B. a dome profile

C. a Z-shaped profile

D. any one of the above

E. none of the above

a dome profile

The aggregate for concrete is generally subdivided into coarse aggregate and fine aggregate. The distinction between the two types of aggregate is based on the

A. aggregate’s strength

B. aggregate’s particle size

C. aggregate’s surface texture

D. aggregate’s density

E. aggregate’s parent rocl

aggregate’s particle size

In a welded wire fabric mat that has a designation of 8 × 8-D4.0 × 4.0, the number 4.0 indicates that the wires are

A. deformed wires, each with a diameter of 0.04 in.

B. deformed wires, each with a cross-sectional area of 4.0 in.²

C. deformed wires, each with a diameter of 4.0 mil.

D. deformed wires, each with a cross-sectional area of 0.4 in.²

E. deformed wires, each with a cross-sectional area of 0.04 in. ²

deformed wires, each with a cross-sectional area of 0.04 in.²

Form lines are used to

A. ensure easy strip ability of forms

B. allow acid etching of concrete from before placing concrete

C. produce textured concrete surfaces

D. allow water washing of concrete after stripping the forms

E. allow acid etching of the concrete surface after stripping the forms

produce textured concrete surfaces

The finishing operations of a concrete surface usually involve striking, floating, and troweling. The sequence in which these three operations are generally performed is

A. striking, floating, and troweling

B. striking, troweling, and floating

C. floating, striking, and troweling

D. troweling, floating, and striking

striking, floating, and troweling

In mixed precast construction, precast concrete members are generally used for

A. column

B. load-bearing walls

C. shear walls

D. floors

E. all of the above

floors

The slump of concrete is a measure of the

A. workability of concrete

B. modulus of elasticity of concrete

C. compressive strength of concrete

D. tensile strength of concrete

workability of concrete

One of the important cementitious ingredients in making Roman concrete war

A. Portland cement

B. sand

C. clay

D. volcanic ash

E. none of the above

volcanic ash

Pans used as formwork for one-way joist floors have

A. a U-shaped profile

B. a dome profile

C. a Z-shaped profile

D. any one of the above

E. none of the above

a U-shaped profile

Hooks in bars are produced by turning the bars through

A. 30 degrees or 60 degrees

B. 90 degrees or 180 degrees

C. 180 degrees or 270 degrees

D. 45 degrees or 90 degrees

90 degrees or 180 degrees

In a typical site-cast reinforced-concrete structure, the cost of formwork and shores is

A. approximately 75% of the combined cost of concrete and steel

B. approximately 25% of the combined cost of concrete and steel

C. approximately 50% of the combined cost of concrete and steel

D. approximately equal to the combined cost of concrete and steel

E. none of the above

approximately equal to the combined cost of concrete and steel

A doubly reinforced beam is one in which

A. reinforcing bars are provided in two layers at the top of the beam

B. reinforcing bars are provided in two layers at the bottom of the beam

C. reinforcing bars are provided at the top and bottom of the beam

D. reinforcing bars are provided in bundles of two bars

E. none of the above

reinforcing bars are provided at the top and bottom of the beam

Aluminum is commonly used as form and shore material because

A. its strength-to-weight ratio is low, which reduces the weight of forms and shores

B. it is chemically compatible with wet concrete

C. it is an easily nailable material

D. its strength-to-weight ratio is high, which reduces the weight of forms and shores

E. all off the above

its strength-to-weight ratio is high, which reduces the weight of forms and shores

In a posttensioned elevated concrete floor, prestressing tendons are combined with conventional steel reinforcement

True or False

True

In site-cast concrete construction, shores are used

A. as formwork for concrete walls

B. in elevated concrete slabs

C. as formwork for concrete columns

D. in ground-supported concrete slabs

E. none of the above

in elevated concrete slabs

In a PT concrete slab-on-ground, the tendons are stressed from the

A. upper ends

B. lower ends

C. dead ends

D. live ends

E. any one of the above

live ends

Epoxy coated bars are generally used in

A. high-rise buildings built in cold climates

B. parking garages built in cold climates

C. high-rise buildings built in warm climates

D. parking garages built in warm climates

E. none of the above

parking garages built in cold climates

A reinforced-concrete, four-side-supported slab panel measuring 15ft x 32ft is

A. a one-way slab

B. a two-way slab

C. a four-way slab

D. A or B

E. none of the above

a one-way slab

The term CMU is generally used as an acronym for

A. clay masonry unit

B. concrete masonry underbed

C. clay masonry underbed

D. cement mortar underbed

E. concrete masonry unit

concrete masonry unit

Geologically, the earliest rock on the Earth’s surface was

A. a igneous rock

B. a sedimentary rock

C. a metamorphic rock

D. none of the above

a igneous rock

The mortar with the highest compressive strength is

A. Type M

B. Type P

C. Type I

D. Type 1

Type M

The structural behavior of a contemporary load-bearing masonry wall building is similar to that of

A. a site-cast reinforced-concrete frame building

B. a precast-concrete frame building

C. a conventional wood light-frame building

D. a steel-frame building

E. none of the above

a conventional wood light-frame building

In general terms, which of the following stones is considered most durable

A. slate

B. granite

C. limestone

D. marble

E. sandstone

granite

The concrete tilt-up wall construction system is generally used in

A. high-rise buildings - 20 stories or more

B. low-rise buildings - 1 to 4 stories

C. mid-rise buildings - 5 to 15 stories

D. all of the above, depending on the local expertise and economy

low-rise building - 1 to 4 stories

The nominal height of a typical CMU is

A. 18 in.

B. 16 in.

C. 12 in.

D. 8 in.

E. variable

8 in.

Referring to a masonry wall as a reinforced-masonry wall implies that the wall contains

A. horizontal reinforcing bars

B. bond beams

C. vertical reinforcing bars

D. joint reinforcement

E. none of the above

vertical reinforcing bars

The primary reason for providing core holes in bricks is to

A. provide uniform drying and firing of bricks

B. reduce the wright of bricks

C. increase the shear resistance of masonry walls

D. none of the above

provide uniform drying and firing of bricks

A masonry unit that has no voids (no core holes) is referred to as a

A. solid unit

B. 100% solid unit

C. A or B

100% solid unit

A bond beam in a masonry bearing wall building must be

A. a reinforced-concrete or reinforced-masonry beam

B. a steel, reinforced-concrete, or reinforced-masonry beam

C. a steel, reinforced-concrete, reinforced-masonry, or wood beam

D. a steel or reinforced-concrete beam

E. none of the above

a reinforced-concrete or reinforced-masonry beam

Which of the following materials increases the mortar’s cohesiveness

A. sand

B. Portland cement

C. lime

D. mortar joint profile

E. all of the abovve

lime

Which of the following CMU’s has slotted webs that are broken before being laid in the wall?

A. A-unit

B. standard unit with three webs

C. sash unit

D. bond beam unit

E. H-unit

bond beam unit

Bricks that have core holes are

A. extruded bricks

B. molded bricks

C. A and B

extruded bricks

Joint reinforcement in CMU walls generally consists of

A. two parallel wires connected together by cross wires

B. a single wire

C. two parallel wires without cross wires

D. three parallel wires connected together by cross wires

E. none of the above

two parallel wires connected together by cross wires

Arching action occurs in a masonry wall with

A. a stack-bond pattern

B. a running-bond pattern

C. both A and B

D. neither A nor B

a running-bond pattern

The spacing of control joints in a CMU wall

A. is a function of the length-to-height ration of the wall

B. should not exceed 25 ft.

C. is a function of the average annual air temperature of the location

D. B and C

E. A and B

A and B

Some architects and engineers prefer to specify low-lift grouting in masonry walls because

A. it saves construction time and effort

B. it does not require Portland cement

C. it is more economical

D. it does not require the use of coarse aggregate

E. none of the above

none of the above

Where the cutting of masonry units is discouraged, the wall dimensions are based on the masonry module. The module used in CMU walls is

A. 4 in.

B. 12 in.

C. 8 in.

D. 16 in.

E none of the above

8 in.

The freeze-thaw resistance of bricks has been found to be a function of the

A. boiling-water absorption of bricks

B. compressive strength of bricks

C. saturation coefficient (SC) of bricks

D. all of the above

E. A and B only

all of the above

The minimum required width of the air space between a brick veneer and a CMU backup wall is

A. 1 in.

B. 1-1/2in.

C. 2 in.

D. 3in.

E. none of the above

2 in.

The most efficient weep hole in a brick veneer consists of

A. an open-head joint

B. a plastic tube

C. a wick

D. none of the above

an open-head joint

On wood-stud and cold-formed steel-stud-wall assemblies, stucco is typically applied in three coats. Beginning from the first to the last, the coats are generally called

A. scratch coat, brown coat, and finish coat

B. prime coat, base coat, and finish coat

C. brown coat, scratch coat, and finish coat

D. prime coat, scratch coat, and finish coat

E. prime coat, brown coat, and finish coat

scratch coat, brown coat, and finish coat

A curtain wall is typically used in buildings whose structural system consists of a

A. Load bearing reinforced-concrete wall structure or load-bearing masonry wall structure

B. reinforced-concrete frame structure or steel-frame structure

C. steel-frame structure or load-bearing masonry wall structure

D. load bearing masonry wall structure

E. all of the above

reinforced-concrete frame structure or steel-frame structure

The strength of concrete used in precast concrete curtain walls in generally

A. greater than or equal to 4,000 psi

B. greater than or equal to 3,000 psi

C. greater than or equal to 5,000 psi

D. none of the above

grater than or equal to 5,000 psi

Impact-resistant EIFS generally has

A. one base coat and one finish coat

B. one base coat and two finish coat

C. three base coats and one finish coat

D. two base coats and one finish coat

E. two base coats and two finish coats

two base coasts and one finish coat

The minimum width of the air space generally used between a brick veneer and a wood stud backup wall is

A. 1 in.

B. 1-1/2 in.

C. 2 in.

D. 2-1/2 in.

E. 3 in.

1 in.

In an ideal pressure-equalized drainage wall

A. the backup is provided with openings to equalize air pressure in the air space

B. the joints in the cladding are sealed to control water infiltration

C. the cladding resists all of the wind load

D. the backup resists all of the wind load

E. all of the above

the backup resists all of the wind load

A backup wall is required in a(n)

A. infill wall

B. veneer wall

C. curtain wall

D. all of the above

veneer wall

The coping on a masonry fence wall is generally

A. sloped on both sides

B. sloped toward the interior

C. sloped toward the outside

D. A, B, and C

E. dead flat

sloped on both sides

In a multistory building, shelf angles are typically used at

A. each floor level and at mid-height between floors

B. each floor level

C. at the foundation level

D. all of the above

E. A and C

each floor level

In a brick veneer assembly, weep holes are required

A. at each floor level

B. at each alternate floor level

C. immediately above the flashing

D. 2 in. above a flashing

E. immediately below the flashing

immediately above the flashing

The thickness of granite used in wall cladding is generally

A. 2-1/4 in.

B. 1-1/4 in.

C. 1-1/2 in.

D. 2 in.

E. none of the above

1-1/4 in.

A drip mechanism at the underside of a projecting horizontal surface counters the effect of

A. adhesive forces between water molecules and the building surface

B. gravite

C. cohesive forces between water molecules

D. cohesive forces between water molecules and the building surface

E. kinetic energy

adhesive forces between water molecule and the building surface

A capillary break is a

A. narrow space in an otherwise wide joint

B. wider space in an otherwise narrow joint

C. horizontal barrier between two abutting surfaces of different materials

D. vertical barrier between two abutting surfaces of different materials

E. none of the above

wider space in an otherwise narrow joint

In addition to water, a stucco base coat mix consists of

A. gypsum, Portland cement, and sand

B. gypsum, lime, and sand

C. lime, glass fibers, and sand

D. Portland cement, lime, and sand

Portland cement, lime, and sand

Metal lath is required when stucco is applied on

A. concrete walls

B. stud-wall assemblies

C. masonry walls

D. all of the above

E. none of the above

stud-wall assemblies

The term GFRC is an acronym for

A. glass fiber-reinforced cement

B. glass fiber-restrained concrete

C. glass fiber-restrained cement

D. glass fiber-reinforced concrete

E. none of the above

glass fiber-reinforced concrete

Control joints on a stucco surface are provided primarily to

A. control thermal expansion and contraction of the metal lath

B. control thermal expansion and contraction of the stucco surface

C. control differential movement between the stucco surface and the substrate

D. control drying shrinkage of stucco

control drying shrinkage of stucco

A steel angle used to support the weight of a brick veneer over an opening is called a

A. lintel angle

B. relieving angle

C. shelf angle

D. all of the above

E. A or B

lintel angle

To obtain heat-soaked tempered glass, the glass must be tempered first and then

A. annealed

B. subjected to cyclic heating and cooling

C. etched

D. heat strengthened in a furnace

E. all of the above

subjected to cyclic heating and cooling

The condensation resistance factor (CRF) of glazing in directly related to

A. whether or not tempered glass has been used in the glazing

B. whether or not reflective glass has been used in the glazing

C. the material used in framing members of glazing

D. the R-value of the glazing

E. all of the above

the R-value of the glazing

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

A. mullion

B. stile

C. rail

D. jamb

E. muntin

mullion

A unitized glass curtain wall consists of

A. mullions, rails, and preassembled units

B. preassembled units and glass

C. mullions and glass

D. mullions, rails, and glass

E. rails and glass

preassembled units and glass

In a stick-built glass curtain wall, the mullions are erected first and the rails are inserted between them

True or False

True

If the reflective coating on tinted glass is on the interior surface of the glass, the solar radiation absorbed by the glass is greater than if the same coating is on the outside surface

True or False

True

In a stick-built glass curtain wall, the mullions are typically spaced at

A. 6 ft. to 10 ft. on center

B. 4 ft. to 6 ft. on center

C. 10 ft. to 15 ft. on center

D. 2 ft. to 4 ft. on center

E. as needed for the project

4 ft. to 6 ft. on center

A stick-built glass curtain wall consists of

A. preassembled units and glass

B. rails and glass

C. mullions, rails, and glass

D. mullions, rails, and preassembled units

E. mullions and glass

mullions, rails, and glass

The term picture window implies

A. a fixed window whose height is greater than its length

B. an operable window

C. a fixed window whose length is greater than its height

D. a fixed window

E. none of the above

a fixed window whose length is greater than its height

Spontaneous breakage generally occurs in

A. heat-soaked tempered glass

B. tempered glass

C. annealed glass

D. laminated glass

E. heat-strengthened glass

tempered glass

A stick-built glass curtain wall is anchored to the building’s structure through

A. mullions

B. rails

C. both mullions and rails

D. none of the above

mullions

Which of the following windows is top hung?

A. hopper window

B. awning window

C. pivoting window

D. casement window

E. none of the above

awning window

The approximate R-value of a clear glass sheet is

A. 1.0

B. 2.0

C. 3.0

D. 4.0

E. 5.0

1.0

Which of the following types of glass is generally used as safety glass?

A. annealed glass

B. heat-strengthened glass

C. sheet glass

D. tempered glass

E. plate glass

tempered glass

Which of the following glass types, when broken, breaks into tiny square-edged granules?

A. annealed glass

B. heat-strengthened glass

C. tempered glass

D. none of the above

tempered glass

Glass curtain walls in which aluminum framing sections are specially profiled for a particular project are

A. fairly common because the cost of custom profiles can be recovered from one large project

B. uncommon because of the extremely high cost of manufacturing custom profiles

C. rare because of the prohibitive cost of manufacturing custom profiles

D. not uncommon because the cost of custom profiles can be recovered from a few repeats mid-sized to large projects

fairly common because the cost of custom profiles can be recovered from one large project

The term direct-glaze window implies

A. an operable window

B. a fixed window whose length is greater than its height

C. a fixed window whose height is greater than its length

D. a fixed window

E. none of the above

a fixed window

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

True and False

True

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

A. mullion

B. stile

C. rail

D. jamb

E. muntin

rail

If glass is 1/8 in. (3 mm) thick, it is also called

A. single strength glass

B. basic glass

C. single-layer glass

D. monolithic glass

E. double strength glass

double strength glass