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Brannigans building construction 5th > Test 10 > Flashcards

Test 10 Flashcards

1
Q

What forms if the joints between two pours of concrete is not properly made?

A. Flail joints
B. Split joints
C. Cold joints
D. Hot joints

A

C. Cold joints

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2
Q

What happens when the concrete fails in steel skeleton construction?

A. It crumbles in place
B. It shifts over
C. It falls down
D. It explodes up

A

D. It explodes up

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3
Q

What is the slab temporarily connected to when each reaches the designated strength in lift slab construction?

A. Purlins
B. Trusses
C. Beams
D. Columns

A

D. Columns

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4
Q

What is the framework of most imitation concrete panels made of?

A. Plastic
B. Glass
C. Wood
D. Steel

A

D. Steel

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5
Q

What is a small device that is designed to keep the rods up off the surface of the form, so concrete will flow underneath the rods?

A. Lifts
B. Chairs
C. Lallies
D. Panels

A

B. Chairs

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6
Q

Which statement is NOT correct about concrete floors?

A. Cracks may permit the passage of fire from floor to floor
B. Distortion may put door frames out of alignment
C. Concrete swells
D. Concrete floors require expansion joints

A

C. Concrete swells

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7
Q

What is provided that strengthens the bond between the rod and the concrete in columns?

A. Screws
B. Poke through
C. Ridges
D. Ties

A

C. Ridges

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8
Q

What is it presumed will act as a barrier to the extension of fire in a fire resistive building?

A. Ceiling
B. Void space
C. Walls
D. Floor

A

D. Floor

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9
Q

What must be true for reinforced concrete to accomplish the designed function?

A. The concrete must be thinner than the steel
B. The concrete and steel must remain in contact
C. The steel ends must protrude from the concrete
D. The concrete and steel must not touch

A

B. The concrete and steel must remain in contact

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10
Q

Where does the collapse danger lie with serious fires in fire resistive buildings?

A. Roofing
B. Concrete
C. Steel
D. Contents

A

B. Concrete

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11
Q

What fraction of the weight by volume of traditional concrete is autoclave aerated concrete?

A. 1/8
B. 1/4
C. 1/2
D. 1/3

A

B. 1/4

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12
Q

What does the efficiency of fireproofing depend upon first?

A. Building department staff
B. Competence of the subcontractor
C. Adequacy of the materials
D. Diligence of the fire department inspectors

A

B. Competence of the subcontractor

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13
Q

Where is the load of the cantilevered platform delivered?

A. Floor below
B. Floor above
C. Platform
D. Adjacent wall

A

B. Floor above

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14
Q

What will occur if a column is lost in a cast in place, monolithic concrete building?

A. building will begin to lean
B. Catastrophic collapse
C. Weight will redistribute
D. Partial collapse

A

C. Weight will redistribute

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15
Q

What is used to pack the recess provided for the joints in a precast concrete building?

A. Plastic
B. Plaster
C. Mortar
D. Cement

A

C. Mortar

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16
Q

Which statement is NOT correct about spray on fireproofing?

A. The base steel must be free of oils and rust scales
B. Thickness and density of application is easily monitored
C. Adhesion of the material to the steel is of concern
D. Sprayed on material is often knocked off by other trade members

A

B. Thickness and density of application is easily monitored

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17
Q

What has made the installation of elevators, even in two story structures (except private R3 residences), a requirement in new construction?

A. OSHA
B. ADA
C. NFPA
D. RDA

A

B. ADA

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18
Q

At what temperature is there virtually complete loss of prestress?

A. 1,000 degrees Fahrenheit
B. 1,100 degrees Fahrenheit
C. 900 degrees Fahrenheit
D. 800 degrees Fahrenheit

A

D. 800 degrees Fahrenheit

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19
Q

Which of the following is NOT considered a type of cast in place concrete?

A. Plain concrete
B. Post tensioned concrete
C. Reinforced concrete
D. Pretensioned concrete

A

D. Pretensioned concrete

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20
Q

What is a short column with a large cross section in proportion to its length called?

A. Pile
B. Ridge
C. Rod
D. Pier

A

D. Pier

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21
Q

What is produced when concrete cures?

A. Flame
B. Gases
C. Heat
D. Smoke

A

C. Heat

22
Q

In which type of concrete does a two way structural system use closely spaced beams set at right angles to one another and unnecessary concrete is formed out?

A. Hollow
B. Waffle
C. Prestressed
D. Stranded

A

B. Waffle

23
Q

What material is used in parking garages that can lead to corrosion?

A. Nitrogen
B. Water
C. Salt
D. Aluminum

A

C. Salt

24
Q

How much of the cost of a concrete structure can the formwork represent?

A. 30%
B. 60%
C. 40%
D. 50%

A

B. 60%

25
Q

Where is concrete eliminated to create hollow tiles?

A. Above the neutral place
B. Below the neutral plane
C. Anywhere is acceptable
D. Within the neutral plane

A

B. Below the neutral plane

26
Q

What rating was given to an 8 inch thick autoclaved aerated concrete block wall?

A. 6 hour
B. 3 hour
C. 4 hour
D. 5 hour

A

C. 4 hour

27
Q

What causes spalling to occur?

A. Expansion of moisture in the concrete
B. Impregnation with improper fireproofing
C. Removal of heat from the concrete
D. Condensation of water on the surface

A

A. Expansion of moisture in the concrete

28
Q

Which tool should be carried with the TI when examining the ceiling void for the unknown source of smoke?

A. Irons
B. Pike pole
C. halligan
D. Axe

A

B. Pike pole

29
Q

What are the planks that the shores rest called?

A. Strands
B. Shore planks
C. Tendons
D. Mudsills

A

D. Mudsills

30
Q

How is the problem of keeping the column sizes the same despite differing usable area and subsequent greater loads from floor to floor dealt with?

A. increasing the number of concrete columns
B. Increasing the size of the reinforcing steel
C. Increasing the amount of aggregate in the concrete
D. Increasing the size of the concrete columns

A

B. Increasing the size of the reinforcing steel

31
Q

What is used near columns to assist in resisting the natural tendency of the floor to shear off at the column?

A. Lally columns
B. Mushroom caps
C. Reinforcing rods
D. Drop panels

A

D. Drop panels

32
Q

What does the floor plate rest upon in the flat plate structural system?

A. Columns
B. Purlins
C. Beams
D. Chairs

A

A. Columns

33
Q

Where are reinforcing bars placed in the concrete beam to provide needed tensile strength?

A. Top of the beam
B. Throughout the beam
C. Center of the beam
D. Bottom of the beam

A

D. Bottom of the beam

34
Q

Which type of fireproofing for concrete protects individual members?

A. Assembly
B. Encasement
C. Membrane
D. Alternating

A

B. Encasement

35
Q

What fire resistance rating does the code require for columns on a concrete building?

A. 1 hour
B. 2 hour
C. 4 hour
D. 3 hour

A

D. 3 hour

36
Q

Which is considered the best construction type from a fire protection perspective?

A. Fireproof
B. Noncombustible
C. Heavy timber
D. Fire resistive

A

D. Fire resistive

37
Q

In which of the following types of buildings is there a monolithic rigid framed building?

A. Cast in place steel building
B. Precast pinned concrete building
C. Cast in place concrete framed building
D. Wooden framed building

A

C. Cast in place concrete framed building

38
Q

Which type of construction has the advantage of a lack of inherent voids?

A. Steel
B. Frame
C. Glass
D. Concrete

A

D. Concrete

39
Q

Which function of concrete in fire resistive construction is accomplished in proportion to the thickness of the concrete cover?

A. Transferring shear forces to the foundation
B. Conjoining two tilt slab panels
C. Resisting compressive stresses
D. Protecting the tensile strength of steel from fire

A

D. Protecting the tensile strength of steel from fire

40
Q

What is almost the only thing that can be done to a building after it is completed that benefits the fire suppression effort?

A. Reinforcement of the steel columns
B. Enclosure of void spaces
C. Installation of automatic sprinklers
D. Addition of a party fire wall

A

C. Installation of automatic sprinklers

41
Q

What is used to shape concrete?

A. Formwork
B. Pinning
C. Bracing
D. Shores

A

A. Formwork

42
Q

How long did the portion of the roof that collapsed at the military records center fire near St. louis, Missouri in 1973 hold together after the start of the fire?

A. 22 hours
B. 14 hours
C. 37 hours
D. 19 hours

A

A. 22 hours

43
Q

Up to what amount of the height from floor to ceiling may consist of in ceiling or under floor voids in the modern office building?

A. 1/8
B. 1/4
C. 1/2
D. 1/3

A

D. 1/3

44
Q

What were high rise buildings often fireproofed with until the post world war ll era?

A. Concrete
B. Steel plates
C. Treated plastics
D. Plaster

A

A. Concrete

45
Q

What is the setting of concrete dependent upon?

A. Height
B. Aggregate
C. Temperature
D. Vibration

A

C. Temperature

46
Q

What was left unprotected when performing encasement, but has been corrected?

A. Top web of beams
B. Non load bearing columns
C. Bottom web of beams
D. Load bearing columns

A

C. Bottom web of beams

47
Q

Where does wall formwork go out when it bursts?

A. Top
B. Center
C. Bottom
D. Sides

A

C. Bottom

48
Q

What is used to sheathe type l buildings under construction?

A. Plywood
B. Metal
C. Glass
D. Plastic

A

D. Plastic

49
Q

What was used to make waffle slab concrete more aesthetically pleasing?

A. Suspended ceiling
B. Concrete skim coat
C. Recessed lighting
D. Complete overhaul

A

A. Suspended ceiling

50
Q

What is an early method of encasement?

A. Steel sheeting
B. Sprayed on coating
C. Terra cotta tile
D. Plywood planks

A

C. Terra cotta tile

Brannigans building construction 5th (13 decks)

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