PRACTICE QUESTIONS WITH CORRECT
ANSWERS (VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT
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1. The modulus of elasticity of steel is approximately:
A) 29,000 psi
B) 29,000,000 psi
C) 2,900,000 psi
D) 290,000 psi
Answer: B
Steel is very stiff; its modulus of elasticity is around 29 million psi.
2. Which load combination is typically used in structural design
according to ASCE 7?
A) Dead + Live only
B) Dead + Live + Wind
C) Dead + Wind only
D) Live + Wind only
Answer: B
ASCE 7 specifies combining dead, live, wind, seismic, and snow loads for
safety.
3. The primary function of a retention pond is:
A) Water supply
B) Flood control
C) Irrigation
,D) Recreation
Answer: B
Retention ponds store stormwater and reduce downstream flooding.
4. Poisson’s ratio relates:
A) Stress to strain
B) Lateral strain to axial strain
C) Shear stress to shear strain
D) Bending moment to curvature
Answer: B
Poisson’s ratio is the negative ratio of lateral strain to axial strain.
5. Which soil type is most prone to liquefaction?
A) Gravel
B) Sand
C) Clay
D) Silt
Answer: B
Loose, saturated sands are highly susceptible to liquefaction during
earthquakes.
6. The factor of safety is defined as:
A) Ultimate load / Working load
B) Working load / Ultimate load
C) Shear stress / Normal stress
D) Moment / Stress
Answer: A
Factor of safety ensures structures can carry loads beyond expected
working loads.
7. In beam theory, the neutral axis is:
A) Where shear stress is maximum
B) Where bending stress is zero
, C) At the top fiber
D) At the bottom fiber
Answer: B
At the neutral axis, the fibers experience no tension or compression.
8. Darcy’s law is used to calculate:
A) Fluid velocity in a pipe
B) Flow through porous media
C) Pressure drop in a pump
D) Water hammer effects
Answer: B
Darcy’s law describes laminar flow through porous materials like soil.
9. The primary design consideration for reinforced concrete beams is:
A) Compressive stress in steel
B) Tensile stress in concrete
C) Compressive stress in concrete and tensile stress in steel
D) Shear stress in steel
Answer: C
Concrete resists compression; steel resists tension.
10. The Reynolds number predicts:
A) Flow regime
B) Pressure drop
C) Pump efficiency
D) Turbulence intensity
Answer: A
Reynolds number distinguishes between laminar and turbulent flow.
11. In surveying, the process of leveling determines:
A) Distances
B) Elevations
C) Angles