Preview Questions Civil Engineer | Role Specific Skill

Question 1: How do pre-stressed concrete beams differ in design from conventional reinforced concrete beams?

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Pre-stressed concrete beams are used for decorative purposes, not structural strength

Pre-stressed concrete beams are designed with internal forces that counteract external loads, allowing for smaller beam sizes

Pre-stressed concrete beams are only necessary for large commercial buildings

Pre-stressed concrete beams rely on exterior tensioning, not internal forces

Question 2: When designing with "reinforced concrete," what is the typical function of "steel rebar" within the concrete matrix?

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Steel rebar's main function is to improve thermal conductivity

Steel rebar increases the concrete's tensile strength, which concrete lacks

Steel rebar primarily acts as a waterproofing agent for the concrete

Steel rebar reduces the concrete's compressive strength

Question 3: How does "quality management" impact the success of a construction project?

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It focuses only on cost reduction, without regard for quality

It is irrelevant as long as the project is completed on time

It ensures that the construction meets the required standards and specifications, preventing rework and delays

It primarily measures the aesthetic quality of the finished project

Question 4: How does moment-curvature relationship help in understanding the behavior of reinforced concrete beams?

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The moment-curvature relationship provides insights into how a beam will behave under bending loads, predicting potential failure modes

The moment-curvature relationship is irrelevant to beam design, as it only affects the material cost

The moment-curvature relationship is used only for material selection, not for structural analysis

The moment-curvature relationship helps to determine aesthetics, not structural performance

Question 5: What is the most important consideration when designing a cantilever beam?

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The span length and point of application of loads

The design of the supporting columns

The aesthetic aspect of the design

The weight of the materials used

Question 6: How does the water-cement ratio affect the workability and strength of concrete?

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A higher water-cement ratio increases workability but decreases concrete's strength and durability

The water-cement ratio affects only the color of the concrete, not its strength

The water-cement ratio has no impact on both workability and strength

A lower water-cement ratio reduces workability, but has no significant effect on strength