Mountaindewwarrior

Front 1

as listed from least to greatest hierarchy in terms of load-carrying capacity, choose the correct order of structural elements:

Back 1

joist, beam, girder

Front 2

T or F Concentrated loads are distributed evenly over a wall to the footing.

Back 2

F

Front 3

a rigid support connection resists

Back 3

vertical, horizontal,and moment

Front 4

a_______support resists vertical or horizontal forces________to the resisting surface.

Back 4

roller...perpendicular

Front 5

A_______needs to be supported at each end resulting in greatly reduced horizontal thrust.

Back 5

ridge beam

Front 6

a kip is measured as ______pounds.

Back 6

1000

Front 7

A poured reinforced concrete joint(beam to column) is an example of a______connection?

Back 7

fixed

Front 8

a______is an example of a rotational force.

Back 8

moment

Front 9

The sum on the rotational,horizontal,and vertical forces must equal_____.

Back 9

zero

Front 10

If the load on the flooring system is 60 psf, what is the total load acting on the circled column?

Back 10

3.84k

Front 11

Static loads cause_______deformation, while dynamic loads cause______deformation.

Back 11

Gradual...rapid

Front 12

Live loads are a type of ______ load and are based on______.

Back 12

Static...occupancy

Front 13

Dead loads are a type of_________load and are based on__________

Back 13

static.... building materials

Front 14

The reaction on a beam is different when a joist is framed into the face of the beam as opposed to stacked on top of the beam.

Back 14

false

Front 15

A pin support resists _______.

Back 15

-vertical and horizontal forces
-vertical and horizontal but not rotational forces

Front 16

The symbol, w, illustrates the ________.

Back 16

uniform load per linear foot.

Front 17

_______is characterized by a point of application, magnitude, and direction.

Back 17

force

Front 18

________diagrams show all the applied and reactive forces acting on a body or structural element.

Back 18

free-body

Front 19

As the beam depth increases, the Moment of Inertia _________.

Back 19

increases

Front 20

Modulus of Elasticity is associated with what design factor?

Back 20

material

Front 21

________ refers to the geometrical center of lines, areas, and volumes.

Back 21

centroid

Front 22

Concentric/Axial loads on a column result in________ .

Back 22

buckling

Front 23

The point of inflection in a beam is which of the following:

Back 23

where tension and compression reverse in the beam

Front 24

In a beam, Shear forces occur_______ .

Back 24

both vertically and horizontally

Front 25

In a simple span beam, maximum Bending Moment generally occurs at the _______ and maximum Bending Stress occurs at the ________.

Back 25

center of the span… extreme fibers

Front 26

_________is a measure of force per unit area.

Back 26

Stress

Front 27

______is a measure of deformation per unit length.

Back 27

strain

Front 28

A structural member should always be designed so the_____ is less than the_____.

Back 28

actual stress………………….allowable stress

Front 29

The Section Modulus is a measure of a beam’s resistance to _______.

Back 29

bending

Front 30

If the cross-sectional area of a beam increases, stress will_________.

Back 30

decrease

Front 31

In beam design the Moment of Inertia indicates an _______.

Back 31

ability to resist deflection

Front 32

In column design the Radius of Gyration indicates _ .

Back 32

ability to resist buckling

Front 33

Moment of Inertia, Section Modulus, and Radius of Gyration are all associated with what beam design factor.

Back 33

shape

Front 34

In a concrete beam, the concrete resists______- the forces, while the steel resists______ the forces.

Back 34

compressive……tensile

Front 35

Allowable Stress is associated with what design factor?

Back 35

material

Front 36

A beam demonstrates_________ behavior when it is stressed to its yield point and returns to its original shape when the load is removed.

Back 36

elastic

Front 37

In a beam, maximum Shear Stress occurs at the _______.

Back 37

neutral axis

Front 38

________is caused by a load applied away from the centroid of a column.

Back 38

Eccentricity
Bending

Front 39

Moment of Inertia, Section Modulus, and Radius of Gyration are all associated with what beam design factor.

Back 39

shape

Front 40

How is bending introduced into a column?

Back 40

eccentricity
lateral wind loads
rigid connections

Front 41

Buckling is caused by the application of_____ loads.

Back 41

axial

Front 42

To reduce torsional forces and provide resistance in any direction, ideally,______ shear walls must be placed in a_________ arrangement.

Back 42

three… perpendicular

Front 43

To prevent overturning or sliding, the most effective structural response in earthquake design is what?

Back 43

wide, heavy footings

Front 44

In a wide flange steel beam, the _________is typically braced to decrease its effective length.

Back 44

web

Front 45

What unbraced column shape is most efficient?

Back 45

round

Front 46

The measure of a column’s potential to buckle is primarily determined by its__________ .

Back 46

slenderness ratio

Front 47

A_________ requires a horizontal tie rod to prevent horizontal thrust on the walls?

Back 47

ridge board

Front 48

Connections attaching only the web of a steel beam to a steel column is a________ ?

Back 48

shear connection

Front 49

If left unbraced, which axis of a wide flange column will most influence the load capacity?

Back 49

Y-Y

Front 50

The transfer of moment from a beam to a column typically occurs in a________ joint.

Back 50

rigid

Front 51

The slenderness ratio for a steel column is dependent on_________ .

Back 51

effective length and radius of gyration

Front 52

What factors affect a column’s length?

Back 52

connection/end condition
bracing

Front 53

A________ frame is dependent on triangulation to resist lateral movement.

Back 53

braced

Front 54

Short columns typically fail by __________.

Back 54

crushing

Front 55

Assume a structural condition has no shear walls and no diagonal bracing. What type of joints must be used to prevent lateral instability?

Back 55

rigid

Front 56

In an axially loaded wood column, a_______ slenderness ratio is an indication of its increased potential to buckle.

Back 56

larger

Front 57

In wood columns, the column stability factor, Cp, is essentially a________ determined by the________ .

Back 57

percentage… slenderness ratio

Front 58

A short column’s ability to carry load is based on its_______ .

Back 58

cross sectional area
strength of material

Front 59

The maximum slenderness ratio for a wood column is_________ .

Back 59

kL/d less than or equal to 50

Front 60

Determine the slenderness ratio of a wood column with a d=4 in, a k=1, and a L= 16’.

Back 60

48

Front 61

Which type of reinforcement produces a stronger reinforced concrete column?

Back 61

spiral tied

Front 62

In a steel column, as the slenderness ratio increases, the allowable stress, Fa, will_______ ?

Back 62

decrease

Front 63

In wood column design, the weak axis is determined by its__________ .

Back 63

least dimension

Front 64

In multi-bay, multi-story structural design, it is typically only necessary to brace________ per floor for the structure to be laterally stiffened.

Back 64

one bay

Front 65

________columns are generally designed to resist both buckling and bending.

Back 65

concrete

Front 66

In concrete column design, which material is designed to fail first?

Back 66

steel

Front 67

In a concrete column, the_______ steel resists the forces, while the concrete resists the_________ forces.

Back 67

tension… compression

Front 68

Which end condition will have the greatest effect on a column’s slenderness ratio?

Back 68

both ends fixed
one end fixed, one end free

Front 69

What method of frame stabilization is least efficient resulting in the most lateral movement?

Back 69

rigid joints

Front 70

Radius of gyration measures a_______ resistance to________ .

Back 70

column’s… buckling

Front 71

Columns are_______ members that generally resist loads applied________ to the end of the member.

Back 71

compressive… axially

Front 72

T or F In an asymmetrically loaded cable, the resultant force is equal throughout the entire cable.

Back 72

false

Front 73

When loading a truss,________ ideally, are used to transfer uniform loads to the panel points.

Back 73

purlins

Front 74

The _________ in a truss resist _________, like the web in a steel beam.

Back 74

interior diagonal members..…shear

Front 75

In cables, loads placed at equal distance along the length of the cable, such as a dead load, will form a _________ curve.

Back 75

catenary

Front 76

All forces moving toward the panel point are ______ and those moving away from the panel point are________.

Back 76

compressive..…tensile

Front 77

As the truss depth decreases, the internal forces __________.

Back 77

increase

Front 78

In general, a truss should have:

Back 78

pinned connections at all joints
zero moment at all joints

Front 79

By placing vertical loads on a truss at the _________, forces are distributed _________ in the member.

Back 79

panel points…..axially

Front 80

Ideally, a space frame should be more rectangular than square so the forces are distributed uniformly.

Back 80

false

Front 81

As the cable sag _________, the _________ forces increase.

Back 81

decreases…..horizontal

Front 82

In truss web members, forces ________ toward the _________.

Back 82

increase…..supports

Front 83

In the truss top and bottom chords, forces _________ toward the _________.

Back 83

increase…..center

Front 84

In the truss top and bottom chords, forces _________ toward the _________.

Back 84

increase…..center

Front 85

Which of the following can be used to stabilize wind loads in a simple cable?

Back 85

increase the dead load

use anchor cables to tie system to ground

Front 86

Which of the following can introduce bending into a truss?

Back 86

point loads applied directly to the member

uniform loads applied along the length of the member

Front 87

Only _________ forces can be developed in cable systems.

Back 87

tension

Front 88

The _________ is used to determine the proportional relationship between the horizontal and vertical force components of a diagonal member.

Back 88

rise to run ratio

Front 89

In a simple span truss, the _________ is in tension, while the _________ is in compression.

Back 89

bottom chord…..top chord

Front 90

T or F Cable systems offer resistance to bending but not compression.

Back 90

false

Front 91

As the cable slope increases in depth, the internal forces in the cable _________.

Back 91

decrease

Front 92

When cable systems are exposed to wind loads, a common design consideration is__________ .

Back 92

fluttering

Front 93

Cable structures do not develop _______.

Back 93

interior bending moment

Front 94

What type of truss depends on rigid joints for structural stability?

Back 94

vierendeel