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| Section | Objectives |
|---|---|
| Hydraulics and Hydrology | - Fluid Mechanics Fundamentals - Drainage and Water Management Systems |
| Surveying and CAD Applications | - Land Surveying Principles - Computer-Aided Design (CAD) Usage |
| Geotechnical Engineering | - Soil Mechanics - Foundation Design Principles |
| Professional Practice and Ethics | - Engineering Ethics - Legal and Regulatory Responsibilities |
| Structural Engineering Basics | - Structural Analysis Fundamentals - Design Principles and Load Considerations |
| Transportation Engineering | - Roadway Design Basics - Traffic and Pavement Considerations |
| Civil Engineering Materials and Construction | - Concrete, Steel, and Asphalt Properties - Construction Methods and Techniques |
| Engineering Fundamentals | - Engineering Principles - Mathematics and Applied Calculations |
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質問 # 46
A contractor is using a compactor on a hot and dry day and quickly compacts a dry 300 mm thickness of sub- base without adding water. The soil is near optimum moisture. A civil engineering technologist completes compaction tests and finds that specifications have not been achieved. What should be done?
正解：A
解説：
Compaction acceptance is based on achieving specifiedin-place dry density(relative compaction) at an acceptable moisture range. If the material is alreadynear optimum moisture, failure to meet density typically points toinsufficient compactive effort,inadequate number of passes,improper equipment, orexcessive lift thickness(300 mm can be too thick for some sub-base and equipment combinations). Standard compaction theory shows that near OMC, soils should densify efficiently; if density is still low, the first corrective action is toincrease compactive effortand verify results with another field density test. Adding water when already near OMC may push moisture above optimum and can reduce achievable dry density.
Continuing with base placement would lock in a nonconforming layer, and stripping/importing new material is a last-resort remedy after reasonable rework attempts. Therefore, the best immediate corrective action is to re-compact and retest, adjusting lift thickness/passes as needed to meet specification.
質問 # 47
The delay in the delivery of a critical item may affect the completion date for a project. Which of the following would be the best course of action?
正解：A
解説：
Critical-item delivery risk is a schedule risk that can affect the project finish date, especially if the item lies on or near the critical path. Good project coordination requirestimely, accurate communicationto stakeholders and proactive risk management. Informing the client early allows transparent expectation management, supports decision-making on mitigation (re-sequencing, alternate materials, expediting, temporary works), and reduces the likelihood of disputes later. Status reporting guidance emphasizes that project reports should communicate current issues/risks and their impacts so corrective actions can be taken and forecasts updated.
Withholding information (option C) is unethical and harmful; simply continuing as planned (B) ignores a known risk; insisting a supplier meet original dates (D) may be attempted but is not always feasible and does not replace proper stakeholder notification and replanning. Therefore, the best course is toinform the client of possible delaysand then coordinate mitigation actions through the project controls process.
質問 # 48
What type of delivery method is described in the image below?
正解：B
解説：
In a design-build delivery method, a single entity is contractually responsible for both design and construction services. This integrated structure differs from the traditional (design-bid-build) method, where design and construction are performed under separate contracts. Under design-build, the owner contracts with one organization that manages architects, engineers, and contractors internally or through subcontracts. This approach promotes collaboration, reduces administrative complexity, and can shorten project duration by overlapping design and construction phases.
From a project coordination perspective, this delivery method streamlines communication channels and assigns clear accountability for cost, schedule, and performance outcomes. Project management literature and systems-based civil engineering frameworks emphasize that design-build enhances coordination efficiency and reduces claims arising from design-construction conflicts. Because responsibility is consolidated, risk allocation is more clearly defined, which improves schedule control and cost predictability. Therefore, when a diagram shows a single contractual relationship between the owner and a unified design-construction entity, it represents the design-build delivery method.
質問 # 49
A civil engineering technologist asked an engineer in training (EIT) to write a deficiency report. After a few revisions, the report is still disorganized and has errors. What would be an appropriate action to take for the technologist?
正解：D
質問 # 50
An engineered wooden "I" floor joist has a hole that was cut at the bearing location. What is the best way to verify that the structural integrity of the joist has not been compromised?
正解：B
解説：
Engineered I-joists are proprietary structural products with capacity and allowable hole/notch limits governed by themanufacturer's engineeringand publishedspecifier guides/repair details. A hole at or near a bearing is particularly critical because shear demands and web stresses are highest near supports, and manufacturers explicitly restrict hole proximity to bearings and provide specific repair details when holes occur in sensitive zones. For example, Weyerhaeuser's TJI repair technical bulletin states conditions for repair applicability and includes "DO NOT" limitations related to holes overlapping the inside face of bearing and other proximity restrictions, indicating that manufacturer guidance controls whether a joist is acceptable and how it must be repaired. Industry good-practice guidance similarly emphasizes that manufacturer instructions must be followed and holes should not be over supports/bearings without approval and prescribed reinforcement.
Therefore, the best way to verify integrity is tocontact the manufacturer(or their engineering support) and follow their published repair/acceptance requirements.
質問 # 51
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