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| Section | Weight | Objectives |
|---|---|---|
| Structural Design Fundamentals | 20% | - Design of structural elements
|
| Transportation Engineering | 20% | - Traffic engineering
|
| Materials Testing | 20% | - Soil mechanics and testing
|
| Surveying | 20% | - Surveying equipment and methods
|
| Municipal Engineering | 20% | - Wastewater and stormwater management
|
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NEW QUESTION # 67
A civil engineering technologist is designing a sanitary collection system that is being constructed below the groundwater table. The owner requested that the system be pressure tested in order to minimize the infiltration into the collection system. Which of the following would be a major design consideration for the collection system?
Answer: B
Explanation:
When sanitary infrastructure is installedbelow the groundwater table, a primary risk isinfiltration- groundwater entering the system through joints, defects, and especiallyappurtenances. Even if pipe joints are specified as watertight and pipes can pass leakage testing, manholes are frequent infiltration pathways due to multiple penetrations (service connections), interfaces (frame-to-cone), and exposure to groundwater head.
Civil engineering references identify infiltration/inflow sources that include "holes in manhole covers" and other manhole-related entry paths, highlighting that manholes are critical control points in sanitary systems.
Therefore, a major design consideration-particularly whessure/leakage testing to reduce infiltration-is specifying awatertight manhole type(e.g., gasketed/booted connections, sealed sections, appropriate access components) suitable for submerged conditions. Pipe diameter primarily affects hydraulic capacity, and
"manhole material" alone does not fully address leakage performance unless paired with watertight design features. The best answer ismanhole type.
NEW QUESTION # 68
The k-value in a vertical curve design defines the horizontal distance required to make a 1% change in the gradient. Provided that the stopping sight distance is the same, the uphill grade is 1%, the downhill grade is #0.
5%, and the design speed is 90 km/h, what is the length of the vertical curve?
Answer: B
Explanation:
For vertical curves, AASHTO uses theK valuedefined as, whereis curve length (m) andis the algebraic difference in grades (percent). Here,and, so. Withstopping sight distance controlled by the same criterion(i.
e., the applicable K value for the given design speed remains the same), length is found from. For 90 km/h, the SSD-based K for the controlling curve type yieldsthat corresponds to60 mforper the provided choices.
This reflects standard vertical-curve practice: once K is set by SSD for the design speed, length scales linearly with the grade difference.
NEW QUESTION # 69
Which of the following can a civil engineering technologist request from a concrete supplier to verify that concrete falls within municipal specifications?
Answer: B
Explanation:
For ready-mixed concrete deliveries, compliance verification is commonly supported by thedelivery/batch ticket(often called the concrete delivery ticket). Industry guidance tied to ASTM C94 emphasizes that the ticket includes critical batch information (such as batch time and related data) used to confirm compliance with specified requirements and limits (including time limits for discharge and other production/traceability details). Because municipal specifications typically require confirmation of the delivered mix identification, quantities, admixtures, batching time, and other relevant production details, the batch/delivery ticket is the most direct document a technologist can request at the site to verify the delivered concrete aligns with the specified mix and placement requirements. A mix design submittal can show intended proportions but does not prove what was actually batched and delivered for that load; "batch location" alone is not sufficient;
"geotechnical mix design" is not applicable. Therefore, the correct item is thebatch ticket from the plant.
NEW QUESTION # 70
A civil engineering technologist has been asked to check the following foundation plan drawing. How many different sizes of concrete piles are required in this project?
Answer: C
Explanation:
Pile sizing on a foundation plan is determined by thepile schedule/legendand callouts that specify different pile types or diameters (and sometimes lengths/capacities) used in different locations to suit varying loads or subsurface conditions. Reviewing a foundation plan for "how many pile sizes" means identifying the distinct pile designations listed in the schedule (e.g., P1, P2, P3, P4), each corresponding to a different concrete pile size/specification. Engineering drawing practice requires reading the schedule and matching symbols/marks to their definitions to count unique sizes, not simply counting total piles on the plan. In the provided drawing, the pile schedule indicatesfourdistinct pile sizes/designations, so the project requiresfourdifferent sizes of concrete piles.
NEW QUESTION # 71
What would be the best step for an engineering team to propose to a client when reviewing a concept before a project is initiated?
Answer: A
Explanation:
Before a project is initiated, the essential decision is whether the concept isviable-technically, economically, and in terms of risks, constraints, and stakeholder needs. Afeasibility studyis the recognized pre-initiation step that evaluates alternatives at a high level, confirms the problem/need, examines constraints, and establishes whether moving into design is justified. In civil engineering systems development, feasibility is treated as an early stage that precedes planning and detailed design, with early cost and uncertainty considerations explicitly tied to the feasibility stage. Life cycle cost analysis is valuable, but it is typically one component used within feasibility/planning decisions rather than the primary "best step" to propose before initiation. Preliminary and detailed design occur after feasibility confirms the concept should proceed.
Therefore, the best step to propose at concept review before initiation is afeasibility study.
NEW QUESTION # 72
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