Ifsta Building Construction

Front 1

Methods of imposing a load on a structure are?

Back 1

1) Axial Load
2) Eccentric Load
3) Torsional Load

Front 2

The fire load is the potential intensity of the fire and is measured in terms of the rate of heat release.

True Or False`

Back 2

False

Front 3

Concrete is tested in tensile strength since it has little compressive strength.

True or False

Back 3

True

Front 4

When a simple beam is loaded?

Back 4

The top is under compression

and

The bottom is under tension

Front 5

Layers of wood laid in different directions and glued together under pressure are called?

Back 5

Plywood

Front 6

The rigidity of the truss rests in the geometric principle that only one triangle can be formed from any __?__ lines.

Back 6

Three

Front 7

This type of collapse usually occurs when the connection between the floors and the load bearing walls are lost?

Back 7

Pancake Collapse

Front 8

What name is given to the compressive members of a truss?

Back 8

Struts

Front 9

Fire walls with automatic fire doors intended to close in case of fire are equipped with?

Back 9

Fusible links

Front 10

Plain concrete is strong in compression, weak in __?__ and has no tensile strength.

Back 10

Shear

Front 11

Control areas are essentially surrounded by __?___ hour-rated fire assemblies.

Back 11

1 Hour

Front 12

The Radiant Flux Test (NFPA 253) measures a material's ability to resist?

Back 12

Flame Spread

Front 13

The uniform "live load" column refers to loads distributed over the entire area. Which load is for a specific large object?

Back 13

Concentrated

Front 14

Floors in mill construction are made of __?__ planks.

Back 14

1) Grooved
2) Splined
3) Laminated

(Any of the above)

Front 15

What is the principle smoke-moving mechanism of a fire?

Back 15

Thermal Energy

Front 16

A brick veneer wall differs from a bearing wall in that __?__ usually are visible in bearing brick walls.

Back 16

Headers

Front 17

What is known as the eternal enemy of every building?

Back 17

Gravity

Front 18

The stone arch works because all members of the arch are under __?__ and little or no tensile load is placed on a material that is weak in tensile strength.

Back 18

Compression

Front 19

Covered mall buildings that meet the construction requirements are allowed to be of unlimited area, but are required to have __?__ feet of open space around them for exposure protection.

Back 19

60 FT

Front 20

_____(1)_____ loads can be accurately calculated while _____(2)_____ loads are indeterminate.

Back 20

1) Dead

2) Live

Front 21

There are two comparison points in evaluating test results. The flame spread over inorganic reinforced cement board is set at __(1)__ and the flame spread over red oak is set at __(2)__?

Back 21

1) 0

2) 100

Front 22

Tremendous bracing is required in high-rise buildings to overcome?

Back 22

Wind

Front 23

Multiple voids can be created in which type of collapse(s)?

Back 23

1) V-Shaped floor collapse
2) Cantilever floor collapse
3) Frame floor collapse

Front 24

A tent collapse is also known as a ?

Back 24

Frame floor collapse

Front 25

The complete failure of a building is known as?

Back 25

A Global Collapse or Total Collapse

Front 26

What are two methods used for prestressing?

Back 26

Pretensioning and Post-Tensioning

Front 27

Building codes require that floor beams in heavy timber construction be of what minimum dimension?

Back 27

6 X 10

Front 28

What are 3 examples of a 90 degree wall collapse?

Back 28

1) A tilt wall failure
2) A concrete block wall that fails as one complete unit
3) A brick wall that falls out as one unit

Front 29

Structural steel will fail between ____(1)____ - ____(2)____ degrees Fahrenheit.

Back 29

1) 1000

2) 1100

Front 30

Which brick course is no longer necessary when a masonry wire truss is utilized?

Back 30

Header course

Front 31

Covered mall buildings are allowed to be of unlimited area as long as they are built of which type of construction?

Back 31

1) Type 1
2) Type 3
3) Type 4

Front 32

The fundamental purpose of a sprinkler system is to hit the __?__ fire with enough water to suppress it.

Back 32

Incipient Phase

Front 33

What would be the ignition temperature of carbon monoxide?

Back 33

1128 Degrees F

Front 34

What term describes the movement of air inside a tightly sealed building due to the difference in temperature between the air inside the building and the air outside the building?

Back 34

Stack Effect

Front 35

Steel Cables will have complete failure at __?__ degrees F.

Back 35

800 *F

Front 36

A typical modern high rise building weighs approximately __?__ pounds per cubic foot?

Back 36

8 LBs per FT2

Front 37

The process of placing the fluid concrete into molds in which the concrete is permitted to harden in a certain shape is known as?

Back 37

Casting

Front 38

An ____?____ load is a force that is perpendicular to the plane of the section but does not pass through the center of the section.

Back 38

Eccentric (Does not pass through the center)

Front 39

A _____?_____ wall is composed of an inner and outer wythe of coursed masonry.

Back 39

Rubble masonry

Front 40

When a brick is laid so that the long side is visible, it is referred to as?

Back 40

Stretcher course

Front 41

Reinforced rods within reinforced-concrete lintels provide the _____?_____ strength to the composite structure.

Back 41

Tensile

Front 42

When exposed to fire, plywood will begin to ?

Back 42

Delaminate

Front 43

Small devices designed to keep the rods off the surface of the form, so concrete will flow underneath the rods are known as?

Back 43

Chairs

Front 44

When a column is offset, the girder on which it rests becomes a ____?____ beam.

Back 44

Transfer

Front 45

Cold-drawn steel will fail at what temperature?

Back 45

800 * F

Front 46

This type of collapse occurs when a small area of structural damage results in a loss of localized load-carrying capability initiating a chain reaction of subsequent failures resulting in major structrual failure.

Back 46

Progressive Collapse

Front 47

Heavy Timber construction is a descendent of true ___?___ construction.

Back 47

Mill

Front 48

What is the condition called when the atmospheric temperature is constantly decreasing as height increases?

Back 48

Lapse

Front 49

Which load is said to be perpendicular to the plane of a section?

Back 49

Axial Load

Front 50

Steel provides the ____?____ strength that concrete lacks.

Back 50

Tensile

Front 51

What type of load was exerted on the Twin Towers by the jetliner attacks on September 11Th, 2001?

Back 51

Impact Load

Front 52

Typical departures from the true mill construction concept include?

Back 52

1) Unprotected Steel Columns
2) Steel Trusses
3) Cast Iron Columns

Front 53

Which code regulates the activities that take place in new construction as well as existing buildings?

Back 53

Fire Code

Front 54

Which type of sprinkler system contains air in the piping that may or may not be under pressure?

Back 54

Preaction System

Front 55

In platform-framed buildings, floor openings are created for stairwells through the use of ____?____ which are along the end of the opening, and _____?____ which are along the length of the opening.

Back 55

1) Headers

2) Trimmers

Front 56

Masonry buildings with spans greater than __?__ feet must have interior bearing walls.

Back 56

25 FT

Front 57

All of the tensile load is carried on which chord of a truss?

Back 57

Bottom

Front 58

Which type of collapse can occur when loads are shifted?

Back 58

Secondary Collapse

Front 59

What is the only construction material that does not yield heat when burned in pure oxygen?

Back 59

Gypsum

Front 60

The rated fire resistance is a quality ascribed to a wall, floor or ___?___

Back 60

Column

Front 61

What is the basic objective of prefire planning?

Back 61

To consider potential emergency situations and develop the best possible plans for coping with them.

Front 62

A "board" is known to be greater than ____?____ inches nominal thickness.

Back 62

2 Inches

Front 63

What term best defines bending that combines both compression and tension?

Back 63

Deflection

Front 64

_____?_____ are concrete pads, usually heavily reinforced, that transfer the loads of piers or columns to the ground.

Back 64

Footings

Front 65

A(n) ____?____ code applies to all structures and conditions within them, including existing hazards that were created even before the adoption of the code.

Back 65

Fire

Front 66

Other than heavy timber construction, what other type of construction uses masonry load-bearing walls and wood structural members?

Back 66

Type III

Front 67

Atriums are required to have sprinkler protection throughout; with the exception of the top of the atrium itself if it is more than ___?___ feet above the floor

Back 67

55 FT

Front 68

A space within a beam where there is neither tension nor compression is known as the?

Back 68

Neutral Plane

Front 69

Curing of concrete generates heat of ___?___

Back 69

Hydration

Front 70

A short column with a large cross section in proportion to its length is known as?

Back 70

Pier

Front 71

The NFPA Standard for the Installation of Sprinkler Systems in One and Two Family Dwellings and Mobile Homes is?

Back 71

13 D

Front 72

Many concrete floors are designed as a ___?___ beam.

Back 72

Continuous

Front 73

Walls are designed to accept vertical ___?___ loads

Back 73

Compressive

Front 74

Self-releasing floors can be seen in most old interior ordinary construction buildings. The ___?___ sits on a steel shelf that protrudes from a column.

Back 74

Girder

Front 75

A Class C rating flame spread index is?

Back 75

76-200

Front 76

What name is given to the top and bottom members of a truss?

Back 76

Chords

Front 77

In a continuous beam supported at more than two points, there is tension in the _____(1)_____ of the beam in the area over the tops of the columns, and tension in the ___(2)___ of the beams between the columns

Back 77

1) Top

2) Bottom

Front 78

Unprotected steel rods and cables can fail at what temperature?

Back 78

800 * F

Front 79

A large or principle beam of wood or steel used to support concentrated loads at isolated points along its length best describes a?

Back 79

Girder

Front 80

What is not a material that would be used for a structural wall within a garden apartment?

Back 80

Steel

Front 81

Tensioned steel rods place concrete into?

Back 81

Compression

Front 82

A joisted floor has one tremendous advantage over the truss floor system: Each joist acts as a ?

Back 82

Fire Stop

Front 83

_____?_____ is the covering that is applied to the studs or framing of a structure.

Back 83

Sheathing

Front 84

Which term best defines hollow walls in which wythes are tied together with steel ties or masonry trusses?

Back 84

Cavity walls

Front 85

Which of the items identifies a material applied to a structural element or system that provides increased fire resistance?

Back 85

Fireproof

Front 86

Increasing column size is unsatisfactory. To overcome this, you must increase the size of the?

Back 86

Reinforcing Steel

Front 87

Steel heated to ___?___ degrees F elongates 9 inches per 100 FT of length.

Back 87

1000

Front 88

What term represents a finished truss?

Back 88

Web

Front 89

A steel beam resting on a masonry wall is an example of a concentrated ___?___ load.

Back 89

Dead

Front 90

Which class of standpipe system provides 2 1/2 inch hose connections?

Back 90

Class I

Front 91

The hollow cores in reinforcement bars are known as?

Back 91

Cells

Front 92

Which of the following best represents a type of collapse in which one end of the collapsed floor is supported by an interior wall, creating two void spaces?

Back 92

Frame floor collapse

Front 93

The destruction of the World Trade Center is best described as an example of?

Back 93

Global Collapse

Front 94

Concrete is weak in ___?___ strength and has poor shear resistance.

Back 94

Tensile

Front 95

A beam used to carry a wall above an opening is known as a(n)?

Back 95

Lintel

Front 96

A minimum of __?__ feet clear width should be provided in garden apartment roadways.

Back 96

20 FT

Front 97

The bottom chord of a truss is said to be in ___?___ while the top chord is under ___?___

Back 97

Tension, Compression

Front 98

In a cantilever beam, the tension is in the ___?___ of the beam

Back 98

Top

Front 99

Which loads are applied slowly and remain constant?

Back 99

Static

Front 100

The usual height limit in a garden apartment is?

Back 100

Three Stories

Front 101

This text advises that the collapse zone should be?

Back 101

At least the full height of the outside wall

Front 102

A ___?___ floor collapse is a type of collapse in which one end of the floor is still supported while the other end is unsupported.

Back 102

Cantilever

Front 103

What is the NFPA standard that deals with training for technical search and rescue incidents?

Back 103

NFPA 1670

Front 104

Steel pipes filled with concrete to increase their load-carrying capacity are known as?

Back 104

Lally Columns