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| Section | Objectives |
|---|---|
| Topic 1: Surveying and CAD Applications | - Computer-Aided Design (CAD) Usage - Land Surveying Principles |
| Topic 2: Civil Engineering Materials and Construction | - Construction Methods and Techniques - Concrete, Steel, and Asphalt Properties |
| Topic 3: Professional Practice and Ethics | - Legal and Regulatory Responsibilities - Engineering Ethics |
| Topic 4: Engineering Fundamentals | - Mathematics and Applied Calculations - Engineering Principles |
| Topic 5: Structural Engineering Basics | - Design Principles and Load Considerations - Structural Analysis Fundamentals |
| Topic 6: Transportation Engineering | - Roadway Design Basics - Traffic and Pavement Considerations |
| Topic 7: Hydraulics and Hydrology | - Fluid Mechanics Fundamentals - Drainage and Water Management Systems |
| Topic 8: Geotechnical Engineering | - Foundation Design Principles - Soil Mechanics |
>> Civil-Engineering-Technology Examengine <<
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73. Frage
What test should be used to determine the compressive strength of concrete?
Antwort: C
Begründung:
Compressive strength is a hardened-concrete property verified by testing a standardized specimen under axial compression until failure. The standard field practice is to castconcrete cylindersfrom a representative sample, cure them under specified conditions, and test them in a compression machine at required ages (commonly 7 and 28 days) to confirm the concrete meets the specified strength. Civil engineering references describe that the compressive strength is computed from the maximum load at failure and the cylinder's cross- sectional area, and that cylinder testing is the accepted quality-control/acceptance method for structural concrete.
Slump testing only indicates fresh concrete consistency, air testing addresses durability-related air entrainment, and sieve testing applies to aggregates rather than hardened concrete strength. Thus, the correct test to determine compressive strength is thecylinder test (Option B).
74. Frage
A 500 mm diameter corrugated steel culvert conveys storm water under a road. The inlet end projects from the road embankment fill. How much flow (m³/s) can the culvert handle before the headwater depth is greater than the culvert diameter?
Antwort: C
Begründung:
For a projecting inlet, the controlling condition is typicallyinlet controlat relatively low headwater ratios.
Using the FHWA/HDS-5 style inlet-control nomographs reproduced in the Minnesota DOT Drainage Manual (Chart 2: "Headwater depth for C.M. pipe culverts with inlet control"), a corrugated metal pipe (CMP) with a diameter near500 mm (# 20 in.)and aprojectingentrance type corresponds to a discharge on the order of~7 cfs whenHW/D # 1.0(headwater approximately equal to the culvert diameter). Converting 7 cfs to SI givesm³/s.
This magnitude is consistent with the inlet-control relationship that headwater increases with discharge for a given culvert diameter and entrance configuration, and that small culverts (0.5 m) carry flows measured in tenths of m³/s, not multiple m³/s at HW/D # 1.
75. Frage
Which of the following correctly indicates the information that must be provided on a site plan?
Antwort: C
Begründung:
A site plan is a permitting and construction control document that must allow reviewers and builders to verify property identification,zoning compliance, andgrading/drainage intent. Thelegal descriptionidentifies the parcel unambiguously for land/title and municipal records.Setback distancesare required to demonstrate compliance with zoning bylaws (front/rear/side yard requirements, easements, and building placement).Finish gradesare required to show how the site will drain, how elevations relate to adjacent properties and infrastructure, and to support earthworks and servicing design. Together, these three items are the common minimum "must-have" information set: legal description (what lot), setbacks (where you can build), and finish grades (how the site will be shaped and drained). Civil engineering site development practice treats these as core content of a site plan because they support approvals and constructability.
76. Frage
If a controlled product is used, stored, handled, or manufactured at a work site, what documents should be discussed at safety meetings with workers?
Antwort: B
Begründung:
Controlled products (hazardous products) require workers to understand the hazards, safe handling, storage, PPE, first aid, spill response, and emergency measures. The document that communicates this hazard and control information for each product is theMaterial Safety Data Sheet (MSDS)(now commonly SDS under GHS, but MSDS remains widely referenced in training/exams). Safety systems require that these sheets be readily accessible and that workers be informed/trained on the hazards and controls associated with the products they use. EM 385-1-1 requires hazard communication, including that hazardous chemical information be available and communicated to personnel, and that safety meetings/training address hazard controls and safe work practices. In the WHMIS framework, WHMIS is the overall system, while the MSDS
/SDS is the specificproduct documentdiscussed and referenced for each controlled product. Therefore, the correct choice isMaterial Safety Data Sheets (MSDS).
77. Frage
Typically, what is the maximum time that concrete can be in a mixer truck before it is discharged?
Antwort: A
Begründung:
Ready-mixed concrete must be placed and discharged within a controlled time window to ensure workability and performance are not compromised by slump loss, early setting, or excess mixing. Historically, widely used industry standards and guidance for ready-mixed concrete commonly referenced a90-minutedischarge limit (or equivalent revolutions limit) from the start of mixing to completion of discharge, unless otherwise specified by project requirements. A 90-minute rule falls clearly within "under 2 hours," making that option the best match to typical industry practice reflected in technical discussion and standards commentary. While some newer editions of ASTM C94 allow the purchaser and producer to establish a project-specific limit, the traditional default guidance that many practitioners associate with mixer-truck discharge remains well under two hours. Therefore, the correct selection among the provided options isUnder 2 hours.
78. Frage
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