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| Section | Weight | Objectives |
|---|---|---|
| Structural Engineering | 20% | - Structural Analysis & Design
|
| Water Resources & Environmental Engineering | 12% | - Hydrology & Water Systems
|
| Civil Engineering Fundamentals | 25% | - Engineering Mathematics & Applied Science
|
| Construction Management & Materials | 10% | - Construction Methods & Project Management
|
| Transportation Engineering | 15% | - Highway & Road Design
|
| Geotechnical Engineering | 18% | - Soil Mechanics & Foundation Engineering
|
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NEW QUESTION # 111
What is the bearing capacity of soil?
Answer: B
Explanation:
In foundation engineering, "bearing capacity" refers to themaximum bearing pressurethat soil can support under a foundationwithout a shear failure mechanismdeveloping in the ground, and (in allowable/safe terms) without causingexcessive settlement. In practice, design is based onallowable bearing capacity
/allowable bearing pressure, which is the net pressure (beyond overburden) that will not cause shear failure or excessive settlements, after applying an appropriate factor of safety. This concept is tied to classic bearing- capacity theories (e.g., Terzaghi) that predict shear failure along defined surfaces beneath a footing.
Therefore, the best definition among the options is the one referencingmaximum pressure without shear failure, not a "concentrated load," compaction, or "crumbling."
NEW QUESTION # 112
A civil engineering technologist is taking a sample of concrete cylinders from a truck. When should the sample be taken?
Answer: C
Explanation:
Concrete cylinder samples must represent thedelivered batch, so sampling must avoid the non-representative portions at the beginning and end of discharge where segregation and water/aggregate distribution can differ.
ASTM C172/C172M sampling practice requires collecting acomposite samplefrom themiddle portionof the load: specifically, not before about10%and not after about90%of the batch has been discharged, using two or more portions taken at regularly spaced intervals. A paper hosted by ASTM discussing sampling from truck mixers references ASTM C172/C172M and its requirement for collecting multiple portions from the discharged batch. Training/field guidance consistent with ASTM C172 also states sampling should occur after
~10% and before ~90% of discharge (i.e., the middle of the load). Therefore, the correct answer isin the middle of the load (Option C).
NEW QUESTION # 113
A civil engineering technologist is providing culvert location staking in the field for a project. What information is placed on the survey stakes?
Answer: A
Explanation:
Construction staking is intended to communicatelocationandgradeto the crew in a form they can build from.
For pipe and culvert work, the controlling grade is theinvert(flow line), because pipe installation, bedding, and hydraulic performance are governed by the invert elevations at key points (typically inlet/outlet ends and along stationing). Standard staking practice records theoffset distancefrom a control line/centerline and the vertical informationneeded to establish the required grade at the feature being built. Civil surveying references describe that stake markings commonly include distances from control (left/right offsets) and elevation/grade relationships to the feature staked. For culvert/pipeline staking specifically, invert elevations are a primary requirement so that the installed pipe meets design slope and elevation. Therefore, the appropriate stake information is theculvert invert elevationsalong with theoffset to the end of the culvert, enabling accurate placement without occupying the excavation line.
NEW QUESTION # 114
Whatto determine the compressive strength of concrete?
Answer: A
Explanation:
Concrete compressive strength is determined by loading astandard specimen(commonly a cylinder) in axial compression until failure and calculating strength as themaximum load divided by the specimen's cross- sectional area. This is the core acceptance/quality-control measure used to verify that concrete meets the specified design strength in contract documents. Civil engineering materials references describe that compressive strength (f'c) is measured from the maximum load at failure and that standardized procedures (e.
g., ASTM C31 for making/curing and ASTM C39 for testing) are used to ensure consistency and reduce testing error.
Laboratory/field experiment procedures similarly definngth test as a compression machine test on a concrete cylinder, with load increased to failure and strength computed from the peak load and cylinder area.
Slump testing measures workability/consistency, air tesed air, and sieve testing relates to aggregate gradation-none provide compressive strength. Hence, the correct test is thecylinder test.
NEW QUESTION # 115
Which soil test identifies the minimum water content at which the soil begins to crumble?
Answer: A
Explanation:
The Atterberg litent boundaries between consistency states of fine-grained soils. Theplastic limit (PL)is the water content at the boundary between theplasticandsemi-solidstates-below this moisture condition, the soil can no longer be rolled/deformed withoutcrumbling, indicating it has transitioned out of the plastic range.
Civil engineering references define PL explicitly as the water content corresponding to the transition between the semi-solid and plastic state (i.e., the lower boundary of plastic behavior). Similarly, soils testing references define PL as the boundary between plastic and semi-solid states (with liquid limit defining plastic-to-liquid boundary).
NEW QUESTION # 116
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