Truss Analysis

Which definition BEST fits a 'Truss'

• A bridge made from beams joined into triangular members

• A structure comprised of members joined at their ends by friction pins

• A structure comprised of members joined at their ends by friction-free pins

• A structure comprised of beams joined in triangles, spanning between 2 supports

Which source of loads are ALWAYS acting on a truss?

• Dead

• Live

• Environmental

• Extreme

When calculating 'Reactions at the Supports', which support would you choose for the initial Moment pivot?

• Roller

• Non-Roller

Determine the magnitude of the Reaction at the Non-Roller support

• 6kN

• 8kN

• 10kN

• 20kN

Determine the direction of the Reaction at the Pin support

• Vertically Up

• Up and to the Left

• Up and to the Right

• Vertically Down

What is the magnitude of the force in member AB?

• 4.9 kN

• 7.0 kN

• 8.9 kN

• 9.9 kN

What is the magnitude of the force in member AB?

• 2.75 kN

• 4.8 kN

• 6.4 kN

• 11 kN

Identify ALL zero force members

• BG

• CF

• CG

• DF

• GF

When using 'Method of Sections' to determine BE, which equilibrium equation would you use?

• $\Sigma F\ vertical\ =\ 0$

• $\Sigma F\ horizontal\ =\ 0$

• $\Sigma M\ =\ 0$

When using 'Method of Sections' to determine CE, which pivot point would you use for  $\Sigma M\ =\ 0$  ?

• A

• B

• C

• D

• E