Quiz on Statically Determinate Structures: Trusses

What is a truss primarily used for?

• To provide a practical solution for large spans

• To support only vertical loads

• To resist bending moments

• To act as a solid beam

What is a gusset plate?

• A type of truss member

• A type of load applied to trusses

• A support for arches

• A plate used to connect truss members

Which type of truss is commonly used for roof support?

• All of the above

• Warren truss

• Scissors truss

• Pratt truss

What is the primary function of lateral bracing in bridge trusses?

• To connect the truss members

• To resist lateral forces from wind

• To provide aesthetic appeal

• To resist vertical loads

What is the maximum span length for Pratt, Howe, and Warren trusses?

• 30 m

• 61 m

• 91 m

• 120 m

What happens if the diagonals of a truss have a slope less than 45°?

• It becomes unstable

• It is more economical

• It requires more material

• It is statically determinate

What is the condition for a truss to be classified as statically determinate?

• m + r = 2j

• m + r < 2j

• m + r > 2j

• m = j

In the method of joints, what is assumed about the unknown member forces?

• They are always in compression

• They are always in tension

• They can be either tension or compression

• They are negligible

What is a zero-force member in a truss?

• A member that connects two supports

• A member that is always in compression

• A member that is always in tension

• A member that carries no load

What is the primary assumption when analyzing cables?

• Cables are perfectly flexible and inextensible

• Cables can resist bending

• Cables are rigid structures

• Cables can support shear forces