Chapter 3

Question 1

What is the structural support in a frame structure

similar to?

Answer 1

Skeleton

Question 2

Which are loads that involve motion?

Answer 2

Dynamic loads

Question 3

Which is the primary concern when designing a building to

withstand the force of the wind?

Answer 3

Direct pressure

Question 4

Which type of interior force tends to slide one plane of

material past an adjacent plane

Answer 4

Shear

Question 5

What are the primary stresses created within a column?

Answer 5

Compressive

Question 6

At what point along the beam will the compression and

tension forces be equal to zero?

Answer 6

Middle

Question 7

What shape will a cable used to support loads over a

distance assume?

Answer 7

Parabola

Question 8

What shape are the units of a truss?

Answer 8

Triangle

Question 9

What is the pressure exerted by the soil against the

foundation?

Answer 9

Active soil pressure

Question 10

Which of the following is an accurate description of

negative pressure created on a building by wind?

Answer 10

Suction effect produced on the downwind side of the

building resulting in an outward pressure

Question 11

What are the forces that resist the applied loads?

Answer 11

Reactions

Question 12

Which portions of the beam do most of the work of

resisting bending?

Answer 12

Top and Bottom

Question 13

What type of load will water from fire fighting operations

add to the building?

Answer 13

Live load

Question 14

Which characteristic distinguishes a membrane “structure”

from a simple tent?

Answer 14

Permanence

Question 15

Which is the impact effect that the wind has on a

building?

Answer 15

Direct pressure

Question 16

Which type of load creates a twisting effect that creates

shear stresses in a material?

Answer 16

Torsional

Question 17

Which material is NOT used to construct an arch?

Answer 17

Timbers

Question 18

Which is of particular concern when a building has

projections such as canopies or parapets?

Answer 18

Clean-off effect

Question 19

Which structural element is designed to control vibration?

Answer 19

Dampening mechanisms

Question 20

Which is a structural member that can carry loads

perpendicular to its longitudinal dimension?

Answer 20

Beam

Question 21

What is the most critical aspect in engineering design?

Answer 21

Type and magnitude of the forces the structure will be

subjected to

Question 22

Which type of material can be used to construct cables

when weight is NOT a factor?

Answer 22

Steel

Question 23

Which change the fundamental vibration frequency of the

building?

Answer 23

Elastometric bearings

Question 24

What is the soil pressure at the top of the foundation?

Answer 24

0

Question 25

Which phenomenon associated with earthquakes results in | shifting of foundations and serious structural damage?

Answer 25

Soil liquefaction

Question 26

Which material is the framework of the permanent membrane | structure most commonly made from in Canada and the US?

Answer 26

Steel

Question 27

What is the weight of any permanent part of the building?

Answer 27

Dead load

Question 28

Which type of beam will maintain its load carrying | capabilities longer under fire conditions?

Answer 28

Restrained

Question 29

In which type of structure are slab and column frames most | frequently encountered?

Answer 29

Concrete

Question 30

Which forces are developed by earthquakes?

Answer 30

Seismic

Question 31

Up to what spacing can be seen with post and beam framing?

Answer 31

24 inches (600 mm)

Question 32

What types of loads are the wall structures of bearing | walls subjected to?

Answer 32

Compressive

Question 33

Which of the following are truss structures that are | developed in three dimension?

Answer 33

Space frames

Question 34

What are the diagonal members of a truss called?

Answer 34

Web members

Question 35

Which type of forces are produced in a structural member | when it is twisted?

Answer 35

Torsion

Question 36

Which type of interior force tends to pull a material | apart?

Answer 36

Tension

Question 37

What does the severity of the force exerted on the | building during an earthquake depend upon most?

Answer 37

acceleration

Question 38

What is a load applied to the center of the cross-section of a structural member and perpendicular to the cross section?

Answer 38

Axial

Question 39

Which part of the structure is usually provided with a hinged connection to allow for slight movement between the two halves of the frame in a single-story, gabled roof, and rigid frame structure?

Answer 39

Peak of the roof

Question 40

Which of the following are structural members designed to | support an axial compressive load?

Answer 40

Column

Question 41

What is the force of gravity equal to?

Answer 41

Object's weight

Question 42

Which type of load produces

Answer 42

Concentrated load

Question 43

At how many points along the beam is the cantilever beam | supported?

Answer 43

one

Question 44

Which material is more commonly used when constructing the | stud wall?

Answer 44

Steel

Question 45

Which structural member is designed to carry a load across | distances?

Answer 45

Arch

Question 46

Which is the most significant force when the ground moves | beneath a building during an earthquake?

Answer 46

C

Question 47

In which part of the building is a truss used?

Answer 47

Roof

Question 48

Which type of load can rain and snow be considered?

Answer 48

Live load

Question 49

What is any effect that a structure must be designed to | resist?

Answer 49

Load

Question 50

What is the condition that exists when the support | provided by a system is equal to the applied loads?

Answer 50

Equilibrium

Question 51

What type of support does the bearing wall provide?

Answer 51

Lateral support to the structure along the direction of | the wall

Question 52

What shape are the units of a truss?

Answer 52

Triangle

Question 53

What types of loads are the wall structures of bearing | walls subjected to?

Answer 53

Compressive

Question 54

Which type of interior force tends to slide one plane of | material past an adjacent plane?

Answer 54

Shear

Question 55

Which is the most significant force when the ground moves | beneath a building during an earthquake?

Answer 55

Horizontal

Question 56

Which are loads that involve motion?

Answer 56

Dynamic loads

Question 57

What type of vibration motion can be produced by an | earthquake?

Answer 57

Three-dimensional