Structural Engineering Flashcards
6 cards from real NCEES practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Structural Engineering flashcards as text
On the NCEES PE Structural exam, pre-stressed concrete beams differ from ordinary reinforced concrete beams primarily in that they:
Answer: Introduce compressive stress to counteract tensile stresses under load
Prestressing introduces a permanent compressive force that offsets tensile stresses caused by service loads, allowing larger spans.
Which NCEES PE Structural topic involves checking that a retaining wall does not overturn about its toe?
Answer: Overturning stability check
The overturning stability check ensures the stabilizing moment from wall weight exceeds the overturning moment from retained soil pressure.
According to ASCE 7 seismic provisions tested on the NCEES exam, the Seismic Design Category (SDC) is determined by:
Answer: Site-adjusted spectral accelerations and risk category
SDC is assigned based on site-adjusted short-period and 1-second spectral response accelerations combined with the building's risk category.
In NCEES PE Structural design, the interaction equation for a steel beam-column under combined axial and flexural loading is from which specification?
Answer: AISC 360 Chapter H
AISC 360 Chapter H provides the H1-1 interaction equations for combined axial force and flexure in steel members.
For a wood beam designed per NDS (as tested in NCEES exams), the wet service factor CM is applied when:
Answer: Equilibrium moisture content exceeds 19%
NDS requires the wet service factor CM to reduce allowable stresses when wood EMC exceeds 19%.
In NCEES PE Structural exam problems, a composite steel-concrete beam achieves its strength through:
Answer: Shear connectors (studs) that transfer horizontal shear between beam and slab
Shear studs welded to the top flange transfer horizontal shear, allowing the concrete slab and steel beam to act compositely.
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