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Civil Engineering Questions and Answers February 24, 2020

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Problem 2 ( 1 0 points ) A simple supported beam 1 2 f t long carries service dead load = 3 0 0 l b f t and live loads = 2 0 0 l b f t . Design an appropriate beam, and check whether the amount of tension steel is within limits of ductile beam behavior. Steel strength is 6 0 ksi, and concrete strength is 5 ksi. Note: = 0 . 8 5 for F c ' 4 0 0 0
Problem 2 ( 1 0 points ) A simple supported beam

SUBject : - civil engineering A foundational theory in civil engineering revolves around structural analysis and design principles, encompassing concepts such as load distribution, material properties, and structural stability. Structural engineers utilize mathematical models and computational methods to predict how structures behave under various

Example 6 . 1 5 Develop a 3 0 - minule SCS triangular unit hydrograph for a watershed of area 5 5 0 ha and time of concentration of 5 0 minutes
Example 6 . 1 5 Develop a 3 0 - minule SCS

Three journal bearings support the force and moment applied to the bent pipe. The 4 5 0 N force is in the y - z plane. Determine the support reactions. The pipe weighs 1 5 0 N m and gravity acts in the negative z direction.
Three journal bearings support the force and

For a simply supported beam with a central load, the bending moment is (A) Least at the centre (B) Least at the supports (C) Maximum at the supports (D) Maximum at the centre

what is the minimum volume required on the minor road to meet the 8

please correct answer @@ 4 3 1 . Which construction material is known for its high tensile strength and corrosion resistance? A ) Timber B ) Aluminum C ) Concrete D ) Brick

The perimeter is the total length of all the sides of a shape added together. True or False? a ) True ( ans: a ) b ) False

Is a street 9 0 prohibited into the flue collar of the NCB - H boiler?

A site is underlain by a 1 8 m thick sand layer with OCR = 1 and friction angle = 4 1 degrees. Under the sand layer lies weathered bedrock with unconfined compression strength = 1 2 MPa and x = 1 . 5 . A rough concrete pile with diameter = 0 . 6 m is drilled into the into the profile; the end of the pile rests on the bedrock. Draw the pile and
A site is underlain by a 1 8 m thick sand layer

2 . A bioreactor system treats 6 0 , 0 0 0 m 3 / day of wastewater with a BOD 5 concentration of 2 0 0 mg / L and a TSS concentration of 2 1 0 mg / L , which are typical of unclarified domestic wastewater. The average temperature is 2 0 \ deg C . The discharge standards are 3 0 mg / L BOD 5 and 3 0 mg / L TSS on a maximum monthly basis ( i . e . ,

solve this using cantilever method only. show all steps
solve this using cantilever method only. show all

The first floor frame of joists rests directly on the _ _ _ . Group of answer choices sill plate wall plate header foundation

What is the best strategy for managing construction waste on a new development site to promote environmental sustainability? A ) Sending all waste to a local landfill. B ) Reusing materials onsite and recycling what cannot be reused. C ) Burning waste materials for energy recovery. D ) Storing waste onsite indefinitely.

Using automation tools leads to dislike 6 6 . What are the requirements for fire suppression system flow tests in building codes?

Geomitric design Exams

A beam loaded with both transverse and longitudinal losds as shove. This biam loading is typical of interior bears in an airplane fuselage which support all kinds of fixed equipment. Draw the axial loads, aheer, and bending - moment diagram. i neeI need complete calculation step by step and drawing
A beam loaded with both transverse and

( a ) A cast iron pipe and D = 1 5 . 3 c m is carrying 0 . 0 6 1 m 3 s of water at 1 5 C . Compar the friction loss due to friction using Darcy - Weisbach formula and the Hazen - Williams formula ( C for cast iron = 1 0 0 and 0 . 2 6 m m , kinematic viscosity ( v ) for water = 1 . 1 4 1 1 0 - 6 m 2 s repres of it wo th thych
( a ) A cast iron pipe and D = 1 5 . 3 c m is

Consider the truss shown in ( Figure 1 ) . Suppose P = 2 kN Determine the force in the member AC , AB , AE , BE , BD , DE , DC , CE of the truss.
Consider the truss shown in ( Figure 1 ) .

a tensile load of 5 . 0 0 kn is applied to a square bar, 1 2 mm on a side and having a length of 1 . 6 5 m compute the axial deformation

Civil How do intermediate structures help in the analysis of geothermal energy environmental reporting?

9 . The side slope of 2 : 1 on the left side of the design template shown above in Problem S is equivalent to what value expressed in grade?
9 . The side slope of 2 : 1 on the left side of

As a structural engineer for this project, your task is to design the overhang beam that is used to support the swimming pool. The beam, denoted by the bold rectangular dashed lines, is hung from the nearest support column ( not seen in the above figure ) to support the area of the pool as shown above with thin dotted lines. Due to the overall
As a structural engineer for this project, your

A horizontal curve with a radius to the vehicle's path of 2 0 0 0 ft and a 6 0 mph design speed. Determine the distance that must be cleared from the inside edge of the inside lane to provide sufficient stopping sight distance.
A horizontal curve with a radius to the vehicle's

please show me how to do the calculations with hand written notes The failure mechanism of the beam in the figure to the right has two plastic hinges: one at the fixed support A , and the other will occur somewhere in the span AB . The cross - section of the beam has a plastic moment capacity Mp . a . Determine the location of the second plastic
please show me how to do the calculations with

For station A the annual records of maximum rainfall for 24 hours are given below in mm: 1 - Calculate the maximum rainfall for 24 hours with return periods of 13 and 50 years 2 - What is the probability of rain falling equal to or exceeding 10 cm in 24 hours? Station A

2 6 . In civil engineering, describe the term "aquifer."

The principle of "active earth pressure" primarily applies to: A ) Retaining walls supporting soil B ) Beams under bending C ) Columns under axial load D ) Slabs on grade

QUESTION 4 In an unconsolidated - undrained ( UU ) triaxial test, the cell pressure ( 3 ) was 3 1 6 kPa. At failure, the applied load was 5 5 6 N and cross - sectional area of specimen was 1 8 0 0 m m 2 . What is the undrained shear strength of the soil ( in kPa ) ?
QUESTION 4 In an unconsolidated - undrained ( UU

Briefly explain two fundamental ways in which aggregates can be used to minimize creep and shrinkage in concrete

Equivalent lateral stiffness of the idealized structure.
Equivalent lateral stiffness of the idealized

Explore the theoretical principles underlying the design and analysis of sustainable buildings in civil engineering. Discuss concepts such as passive design strategies, energy - efficient building materials, and life cycle assessment methods used to minimize environmental impact and enhance occupant comfort and well - being.

F 7 - 9 . The boards are bolted together to form the built - up beam. If the beam is subjected to a shear force of V = 7 5 k N , determine the allowable maximum spacing of the bolts to the nearest multiples of 5 m m . Each bolt has a shear strength of 3 0 k N .
F 7 - 9 . The boards are bolted together to form

Question 1 : Consider the 8 m span beam with moment diagram as shown below. Check the adequacy of the section f c ' = 3 0 MPa f y = 4 0 0 MPa
Question 1 : Consider the 8 m span beam with

What does a geotechnical displacement transducer measure?

Discuss the role of geotechnical engineering in the construction of deep foundations. What are the key factors that influence the choice of foundation type for high - rise buildings?

The building is to be founded in a 1 0 m thick layer of sand, overlying a 1 0 m thick layer of clay which, in turn, is overlying a permeable sandstone bedrock. The groundwater table level was recorded at 4 . 0 m below the ground level. The sand layer comprises clean, well graded, loose to medium SAND. The in situ testing in this layer showed a

don't use AI otherswise I'll report to higher authority 9 1 4 . How can data analytics aid in identifying priority areas for habitat conservation in fragmented landscapes in landscape surveying?

1 5 . 2 1 In a cast - iron piping system of 4 5 0 f t length shown in Fig. P 1 5 . 2 1 , the rate of flow is 1 c f s at 7 0 F . Determine the diameter of the pipe. note: b is a branched and flanged tee while D is theiugh and flanged
1 5 . 2 1 In a cast - iron piping system of 4 5 0

Write a report to a client that will include the following sections: 1 . Field Observations: Write up a summary of your site visit and include a preliminary assessment of the existing conditions of the selected structure. The field observations must include, at minimum, the following: a ) Overall description of the structure b ) General condition
Write a report to a client that will include the

Determine the slope at B and vertical deflection at D in the beam loaded as shown in the Figure below using Conjugate beam method. Also draw the deflected shape of the beam. El is uniform throughout the beam. B is a roller support, and C is a pin support.
Determine the slope at B and vertical deflection

A horizontal 1 0 0 0 m pipe, of 9 0 m m diameter is connected to a tank at 1 0 m height and 2 metres of water. Find the discharge of the pipe ( f = 0 . 0 3 ) .
A horizontal 1 0 0 0 m pipe, of 9 0 m m diameter

USE EXCEL TO SOLVE THIS PROBLEM The figure below shows the profile of a channel. This channel is earth ) = ( 0 . 0 4 0 and has a slope of 0 . 0 0 6 4 f t f t . The table below shows the hydraulic properties of this channel for different elevations. \ table [ [ \ table [ [ Stage ] , [ ( f t )
USE EXCEL TO SOLVE THIS PROBLEM The figure below

please Don't use AI & other illegal tools 6 1 3 . How do tectonic landforms contribute to landscape diversity?

HOPE EXPERT ! ! ! ! ! ! ! Discuss the theoretical considerations involved in the design of a renewable energy infrastructure, such as wind farms or solar power plants, to maximize energy generation while minimizing environmental impact. Explore topics such as site selection, resource assessment, and grid integration strategies.

Investigate the theoretical foundations and computational models utilized in the design and optimization of integrated transportation networks, considering the dynamic interactions between various modes of transportation, land use patterns, and travel demand. Evaluate the role of emerging technologies, such as connected and autonomous vehicles, in

In a PID controller, the " D " stands for: a ) Direct b ) Differential c ) Derivative d ) Displacement

Find the effective compliances for a rock mass with one set of joints in the coordinate set x , y , z with the z - axis perpendicular to the joint planes ( see the figure below ) if the inter - joint spacing is 0 . 1 * A 1 m , joint stiffnesses: normal, kN = 1 5 GPa / m , shear, kS = 1 5 GPa / m , and the intact rock is isotropic with E 0 = 3 0
Find the effective compliances for a rock mass

Select the most appropriate proportion of land access to traffic service that would be expected for a roadway with a design classification of RLU 6 0 . Traffic Service is the only priority, no direct land service Land service is priority Land service and traffic service are equally important Traffic service is priority

Environmental engineering is a branch of civil engineering that focuses on sustainability and environmental protection in construction projects. True or False with proper explanation.

don't use AI otherswise I'll report to higher authority 6 2 3 . What are the main factors that influence stream erosion?

This is not correct. The given structure is different thats its solved for.

Atleast try to give correct answer.. 7 9 2 . What is a cadastral land management system?

Using the Uniform Drawing System, what sheet identifications would be given to the following set of drawings using only the level 1 discipline designators ( i . e . don't use the 3 letter discipline designators ) and use the symbol " - " to separate the discipline designator from the numbers. ( your responses should be formatted as L - NNN where L

Using Drawing below, determine the quantity of Class 1 crushed aggregate ( in cubic yards ) required per 1 0 0 0 linear feet of pipe for a ? ? 8 - inch outer diameter HDPE pipe. Assume maximum trench width.
Using Drawing below, determine the quantity of

Question 1 A steel frame has pinned supports at A and D and it has rigid joints at B and C . It is supported and loaded as shown in Figure Q 3 . The plastic moment for the columns A B and CD is 1 5 0 k N . m and for the beam B C is 3 0 0 k N . m . a ) Use plastic analysis to determine the load factor for collapse. Consider all three possible
Question 1 A steel frame has pinned supports at A

We're faced with a watershed lacking streamflow gauges, and we urgently require the peak flow data at its outlet. Could you kindly outline our options? ( 1 0 p ) What should we do if we need to plot a hydrograph? ( 5 p ) Hydrology test question
We're faced with a watershed lacking streamflow

A civil engineering company is working on three construction projects: a bridge ( Project A ) , a highway ( Project B ) , and a dam ( Project C ) . Due to the challenging nature of these projects, the probability of encountering significant geological obstacles is non - negligible. The probabilities of encountering such obstacles for Projects A ,
A civil engineering company is working on three

KV 1 5 : How could theoretical developments in nanotechnology be leveraged to improve the properties and performance of construction materials? ( Do not give answer with AI tools I will give dislikes to the answer )

Liquid limit tests results are given below. P L = 1 3 . 4 % \ table [ [ TEST , Number of blows, N , Moisture Content ( % ) ] , [ Liquid Limit, 1 4 , 3 8 . 4 ] , [ , 1 6 , 3 6 . 5 ] , [ , 2 0 , 3 3 . 1 ] , [ , 2 8 , 2 7 ] ] a . Show drawing of the flow curve and determine the liquid limit . b . What is the plasticity index of the soil? Make you you
Liquid limit tests results are given below. P L =

Explore the concept of resilient infrastructure and its importance in mitigating the impacts of natural disasters and climate change. How do engineers incorporate resilience into the design, construction, and operation of infrastructure systems to ensure continuity of service under extreme conditions?

Consider the loads on a truss as shown above. We are interested in the forces in members only ED , EH , and GH . How much is the force along member EG ? ( sign: positive if tensile force ) How much is the force along member FG ? ( sign: positive if tensile force ) How much is the force along member EF ? ( sign: positive if tensile force )
Consider the loads on a truss as shown above. We

cool " What are the fundamental principles of structural analysis in civil engineering, and how do they influence the design and stability of various structures? Discuss the role of materials such as concrete and steel in construction, considering their properties and applications. Furthermore, explain the importance of geotechnical engineering in

Civil How can intermediate structures be utilized in the analysis of structural load - recovery reconciliation of differences?

Sedimentation / Centrifugation Problem: You are using a 5 meter tall sedimentation tank to collect plastic particles suspended in water. The average diameter of the particles is 5 E - 4 meters, and the density of the sand is 1 1 0 0 kg / m ^ 3 . The viscosity and the density of water are 0 . 0 0 1 kg / ( m * second ) and 1 0 0 0 kg / m ^ 3 . You
Sedimentation / Centrifugation Problem: You are

Considering T - section, calculate the plastic moment of the section, the yield moment of the section and the shape factor. Show all images Show all images Show all images done loading
Considering T - section, calculate the plastic

The drawing below shows the bean ( B ) and girder ( G ) layout for a small one - story office building. If D = 8 f t and L = 3 0 f t , what is the tributary area for girder G - 1 ? 2 4 0 f t 2 Can not be determied with knowing the loads ( LL , DL ) 4 8 0 f t 2 7 2 0 f t 2 3 6 0 f t 2
The drawing below shows the bean ( B ) and girder

1 - The two members are joined together using 3 0 degree angle connection. Calculate the average shear and normal stress at each plane. Assume each inclined plane supports a horizontal force of 4 0 0 l b .
1 - The two members are joined together using 3 0

gave answer without involving Ai contentt 5 9 4 . Define the term 'depositional landform. '

While recognizing that you need at least three direct shear tests to draw a Mohr - Coulomb failure envelope, you attempt to estimate the equation of the failure envelope through one test. You consolidate a dry sand sample under a vertical pressure of 2 1 4 2 psf and the shear stress at failure is 1 6 2 7 psf . If you are able to estimate the
While recognizing that you need at least three

P is equal to 9 . Determine stiffness matrix K , take EA constant. Determine displacement and force in all members. A is the 0 of global system of coordinates.
P is equal to 9 . Determine stiffness matrix K ,

A steel rod with a diameter of 1 9 m m , Young's modulus ( E ) of 1 1 0 GPa, and a Poisson's ratio of 0 . 3 5 is under a tensile load within the elastic region. Choose the nearest force that will produce a reduction of 0 . 0 0 3 m m in the diameter. 1 4 0 0 0 N 1 3 0 0 0 N 1 5 0 0 0 N 1 6 0 0 0 N
A steel rod with a diameter of 1 9 m m , Young's

What is the purpose of a culvert in civil engineering? A ) To support heavy traffic loads B ) To provide access to underground utilities C ) To control erosion along riverbanks D ) To facilitate the flow of water under roads or railways E ) To stabilize slopes in hilly terrain

The figure to the right shows the progression of the branching of a tree during each stage of development. Notice that the number of branches formed during a given stage is a Fibonacci number. Assuming that this branching pattern continues, how many branches will form during the 1 7 th stage of development? \ table [ [ Sta ! , Jranches ] , [ Sta ,
The figure to the right shows the progression of

Analyse the frame shown in fig. by using Portal method. Also draw SFD BMD .
Analyse the frame shown in fig. by using Portal

Compute the coordinates of the stations of the traverse below with A z A B = 3 5 0 , and coordinates of A is E 5 0 0 0 m , N 1 0 0 0 m
Compute the coordinates of the stations of the

Please solve the problem shown. Thank you!!
Please solve the problem shown. Thank you!!

What is the function of a truss in structural engineering? a ) To provide lateral stability to a building b ) To support roof loads and transfer them to the walls c ) To resist wind and earthquake forces d ) To facilitate ventilation within a building

In civil engineering Which material is commonly used as a binder in asphalt concrete mixtures for road construction? A ) Sand B ) Cement C ) Bitumen D ) Gravel

Find the answer at each of the red arrows. ( Slope calculations )
Find the answer at each of the red arrows. (

An 8 0 0 ft vertical curve with equal legs is used as a highway crest vertical curve. The grade of the back tangent is 2 % , and the grade of the forward tangent is - 2 % . The elevation of the PVI is 1 2 0 0 ft . What is the elevation of the PVT ?

Air The 1 0 0 k g weight on hydraulic lift { area = 0 . 6 m 2 } shown in figure. At points A , B C and D calculate the pressure. ) = ( 9 8 1 0 N m 3
Air The 1 0 0 k g weight on hydraulic lift { area

Find the minimum path tree from node # 1 5 to node # 8 . Thank you!!
Find the minimum path tree from node # 1 5 to

As shown in the picture, which add on Is used to create a surface pattern from a specific module in Grasshopper environment? Perspective i * RHINO EKRANI / RHINO SCREEN A . Display B . Mesh C . Grid D . Panelling Tools E . Surface Soruyu bo b rak , ( Leave the question blank. )
As shown in the picture, which add on Is used to

Based on American Association of State Highway and Transportation: > One late of highway is 1 2 ft . wide. > Opposing direction roads are divided by an unpaved median. > Outside should is 1 0 ft . wide ( one on each side ) . > The inside shoulder width is 4 ft . wide ( one on each side ) . > Depth of concrete on a typical highway averages 1 1

If rain falls at a constant intensity of 2 0 mm / hr on a silty soil with a hydraulic conducivity, K = 2 . 5 mm / hr and sorptivity, S = 2 0 . 4 mm / hr 0 . 5 , how much runoff ( in mm ) will have been generated when the runoff rate reaches 1 0 mm / hr ? ( Answer: R = 1 0 . 6 mm )

A rail system consists of a system of three flat - type trusses linked with purlins that transmit loads to the upper joints F , E , and D . as shown in the figure. The trusses are spaced 2 2 f t apart. The following surface distributed loads are passed on to the truss through the purlins: ( a ) Dead load ( vertical gravity load ) : D = 1 2 0 l b f
A rail system consists of a system of three flat

Structural fire engineering entails theoretical considerations of predicting fire behavior, evaluating structural fire performance, and designing fire - resistant structures to ensure life safety and property protection in fire events. Develop a comprehensive theoretical framework elucidating principles of structural fire engineering

Delve into the theoretical foundations of structural stability and analyze the behavior of structural systems under various stability phenomena. Discuss Euler's buckling theory and its application to idealized structural elements subjected to axial compression. Explore the concept of lateral - torsional buckling in beams and its dependence on

What is a crucial aspect to consider when planning for meeting other requirements in civil engineering? A ) Structural design features B ) Environmental impact assessment C ) Compliance with building codes and regulations D ) Selection of construction materials

4 In the realm of civil engineering, the concept of sustainability has emerged as a critical consideration in infrastructure development. Discuss the multifaceted aspects of sustainability within civil engineering projects, including environmental, social, and economic considerations. How do civil engineers balance these often conflicting

A concrete member is steam cured for 2 4 hours and stored for 3 0 days under RH of 8 5 % before being installed on site ( in service ) . What will be the total drying shrinkage of this member after the first year in service under RH of 7 0 % ?

answer purely on human knowledge otherwise gives dislike 1 0 7 . How do building codes regulate fire safety in healthcare buildings?

Air ( 1 atm ) enters into a 5 - cm - diameter circular tube at 2 0 C with an average velocity of 5 m / s . The tube wall is maintained at a constant surface temperature of 1 8 0 C , and the outlet mean temperature is 8 0 C . Estimate the length of the tube. Is the flow fully developed? The properties of air atPG 1 9 To = ( T; + T ) / 2 = 5 0 C are

The concept of resilience is increasingly important in civil engineering, particularly in the face of climate change and extreme weather events. Discuss the theoretical frameworks and methodologies civil engineers employ to enhance the resilience of infrastructure systems against natural hazards. Consider factors such as redundancy, adaptability,

Evaluate the feasibility of a ram pump to provide drinking water. They constructed a pond to capture runoff which is located ~ 3 0 0 m away down a hill and across a busy road. The goal is to move water from the pond up to a water tank. The ram pump would be located along the road between the pond and tank, approximately 2 0 0 m from the water

answer urgently basis please 1 3 4 2 . How is the integration of site transportation impact assessments managed in combined operations?

Water flows through a venturi meter which contracts from D = 3 0 0 m m to d = 1 5 0 m m at the rate of 0 . 0 0 3 7 m 3 s and the differential gauge has a deflection, h of 1 m , as shown in the figure below. Specific gravity of the gauge liquid is 1 . 2 5 . Determine the coefficient of discharge of the meter.
Water flows through a venturi meter which

4 4 . In civil engineering, explain the term "aeration" in water treatment.

Does the owner have the right to reject a general contractor's subcontractor who is reasonably capable of performing work? No , if he passes the threshold of "reasonably capable." Yes, but the contractor and subcontractor maintain the right to appeal the decision to the architect. Yes, but the owner will be required to pay any additional costs
Does the owner have the right to reject a general

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