Civil Engineering question and answers for July 02, 2023
- Q Discuss briefly about D’Alembert’s principle in plane motion ofrigid body. What is significance of Principle of Work Energy interms of stability of system, illustrate with an example.
- Q Traffic counts and signal timing data were collected for theintersection of Sand Creek Road and Wolf Road. The intersection issignalized. The collected data show that, for a particular cycle,vehicles on...
- Q Please describe the relationship between the various structuraland functional properties for various materials (metal, ceramicsand polymer).Hint: Seek the linkage from atomic structure and bonding, tomicrostructures and defects, as well as...
- Q A groundwater supply has the following analysis: Ca2+ = 94 mg/lHCO3- = 317 mg/l Mg2+ = 24 mg/l SO42- = 67 mg/l Na+ = 14 mg/l C1- =24 mg/l Calculate...
- Q Negotiations are an important part of the construction project,from start to finish. Negotiations need to made in good faith, withall parties expecting compromises. When negotiations fail,mediation and arbitration can settle...
- Q COAGULATION – Treatment of a water supply required 60 mg/l ofalum as a coagulant. The natural alkalinity of the water is 20mg/l. Based on theoretical chemical reactions, what dosage of...
- Q Traffic on a three-lane freeway observes a triangularflow-density relationship with free-flow speedvf=100km/h, capacity c=2000veh/h/lane,jam density kj=150veh/km/lane. Flow in thefreeway from upstream is 5000veh/h, while the ramp flow isnegligible (almost zero).At...
- Q a) Why is consolidation settlement inherently a nonlinearprocess? b) Name two ways we can increase the rate ofconsolidation, and explain why they work. c) You are running aconsolidation test and...
- Q Why aeration is important for activated sludge process? Whatwould be the effect on the DO profile with time (provide a sketch)and BOD removal and sludge production if:Pumping more air than...
- Q What is the Penman Combination equation and what does each termmean in the equation. What unit should each term be in?
- Q Write at least four (4) paragraphs about Dilatometer test as ageotechnical engineer.
- Q A 4m thick clayey layer was initially water saturated with watercontent w = 34%, and in situ effective stress σzo’ = 31 kPa.Clearly state your assumptions to determine: a)The total...
- Q Discuss the effects of dropping the hammer in a NZ StandardCompaction Test from a height of LESS THAN 300 mm.What effect does this have on the Optimum water content?Plot a...
- Q A trapezoidal channel has size slopes of 3:1 (H:V), a bottomwidth of 22 feet, a longitudinal slope of 0.0003, a Manning’sroughness coefficient of 0.023, and carries a flow rate of...
- Q Frederick Herzberg’s Theory is one of the motivation theoriesapplied in the construction industry.Describe this motivationtheory and its applicability to the Consultants in the constructionteam. (preferably 8 different points) ESSAY FORMATFor...
- Q List 5 important things to include in a surveyingcontract.
- Q The bolt is made of 2014-T6 aluminum alloy and is tightened soit compresses a cylindrical tube made of Am 1004-T61 magnesiumalloy. The tube has an outer radius of 10 mm,...
- Q A sample of soil was tested; the results werevoid ratio e = 1.024moisture content w = 33.4%specific gravity of solids Gs = 2.75Using a phase diagram, determine the following:a) The...
- Q Short notes on 1) Ocean wavesclassification, and 2) wave transformation (e.g., shoaling,refraction), 3) RCP and SRES climate change scenario, 4) Riskassessment method.
- Q n earthwork contract requires to cut and move excavated rocks.The site is a typical limestone rock formation in a cut section,which is 15,000 ft long, 85 ft wide, and 3...
- Q Sanitation (fresh water in, human waste out) is the earliestknown form of human leaders/governments taking a hand in issues ofwaste/pollution. Why do you think it was sanitation, as opposed toother...
- Q What is the quoted current price for a new average-sized scraperand a bulldozer?
- Q Describe Hooke’s Law with the use of a diagram and at least oneexample.
- Q discribe how a request for information (RFI) from the contractorcan lead to a Change Order
- Q An earthwork contract requires to cut and move excavated rocks.The site is a typical limestone rock formation in a cut section,which is 15,000 ft long, 85 ft wide, and 3...
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