Trusses and Their Design

This quiz refers to the following youtube video:

Understanding and Analysing Trusses: The Efficient Engineer

https://www.youtube.com/watch?v=Hn_iozUo9m4

Are you ready to take the quiz?

(a)  

Tags

NGSS.HS-ETS1-3

NGSS.HS-ETS1-2

What is a truss?

• A rigid structure made up of straight members

• A flexible structure made up of curved members

• A structure made up of both rigid and flexible members

• A structure made up of only one member

What are the two important assumptions for a structure to be considered as a truss?

• All joints are pinned connections and loads are only applied at the joints

• All joints are fixed connections and loads can be applied anywhere

• All joints are pinned connections and loads can be applied anywhere

• All joints are fixed connections and loads are only applied at the joints

What type of loads can a truss carry?

• Axial loads only

• Bending moments only

• Both axial loads and bending moments

• Torsional loads only

Tags

NGSS.HS-PS2-1

What is the base shape of a truss?

• Triangle

• Square

• Rectangle

• Circle

What is the purpose of diagonal bracing members in a truss?

• To stabilize the structure and prevent changes in angles between members

• To increase the load-carrying capacity of the truss

• To reduce the overall weight of the truss

• To provide flexibility to the structure

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS2-3

What are zero force members in a truss?

• Members that do not carry any loads

• Members that carry the maximum loads

• Members that are in tension

• Members that are in compression

Which truss design is the most cost-effective?

• Warren truss

• Howe truss

• Pratt truss

• They are all equally cost-effective

Tags

NGSS.MS-ETS1-2

What is the advantage of the Pratt truss design?

• Longer diagonal members can be thinner

• All members are the same length

• It uses less members overall

• It is more stable than other designs

What is the method used to determine internal forces in a truss by making an imaginary cut through the members?

• Method of Sections

• Method of Joints

• Force Method

• Displacement Method