General Structures Quiz

Question 1

A reduction in the design of live loads is permitted in which of the following use categories?

A. Dance halls and ballrooms
B. Library- Stack rooms
C. Manufacturing- Heavy
D. None of the above.

Answer 1

D. None of the Above.

Question 2

Which of the following terms below is related to the design of wood connections with respect to parallel and perpendicular to grain loading?

A. Ductility
B. Redundancy
C. The Hankinson Formula
D. Double Shear Connection

Answer 2

C. The Hankinson Formula

Question 3

Which of the following bolt types should be specified for a slip critical connection?

A. A307
B. A325
C. A502-1 Rivets
D. A502-3 Rivets

Answer 3

B. A325

Question 4

A simply supported beam supports a uniformly distributed load. The horizontal shear stress is greatest at which of the following locations?

A. The mid span of the beam near the neutral axis.
B. The ends of the beam near the neutral axis.
C. The mid span near the top of the beam.
D. The mid span near the bottom of the beam.

Answer 4

B. At the ends of the beam near the neutral axis.

Question 5

Which of the following are considered impact loads?

A. Elevators and elevator machinery
B. Vehicles on garage floors
C. Stadium and arena bleacher loading
D. Floor hangers supporting machinery

Answer 5

A. Elevators and elevator machinery

and

D. Floor hangers supporting machinery

Question 6

For a parallel chord (flat) Pratt truss that spans 80 ft and is comprised of all steel members, which of the following is not a correct statement?

A. The diagonals are in tension and the verticals are in compressions.

B. The Pratt Truss is most suited to support medium to heavy loads.

C. These trusses can be economically spaced up to 40’ on center.

D. The truss will be approximately 16’ deep.

Answer 6

D. The truss will be approximately 16’ deep…..

It would actually be around 8’ deep.

Question 7

The single most leading cause of building collapse is?``

Answer 7

Lack of a continuous load path

Question 8

A framing system in which joints are rigidly connected and allow unimpeded movement through the bay is called ______.

Answer 8

Vierendeel Frame

Question 9

The ability of an element or system to resist gross deformation is known as ______.

Answer 9

Stability

Question 10

When designing a bolted steel connection that will be subjected to cyclical loading, what grade of bolt should be specified?

Answer 10

A325

Question 11

What is a method that is used to verify that slip-critical has been achieved in a connection between the fastener and material being connected?

Answer 11

Twist off end bolts

Question 12

Time related deformation due to sustained loading

Answer 12

Creep

Question 13

Regarding wood members that are bolted together. This equation is used to evaluate connections that are loaded at an angle relative to the wood grain.

Answer 13

Hankinson Formula

Question 14

For a wood connection with multiple pieces of wood, each shear plane shall be evaluated as a _______ connection/

Answer 14

Single Shear

Question 15

The capacity of a wood connection, when anchored with lag bolts is greatest when the wood is loaded _______ to the grain structure.

Answer 15

Parallel

Question 16

This is based entirely on the support conditions at the top and bottom of the column.

Answer 16

Effective Length Factor

Question 17

The section modulus for the cross section of a member is related to the

I. moment of inertia of the cross section
II. depth of the cross section
III. bending stress in the member
IV. modulus of elasticity of the member

Answer 17

the section modulus (S) for the cross section of a member is the cross sections moment of inertia divided by the distance from the cross section’s neutral axis to its extreme fibers

Answer: I and II only

Question 18

The Hankinson Formula

Answer 18

is a mathematical relationship for predicting the off-axis uniaxial compressive strength of wood