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Civil Engineering Questions and Answers February 25, 2020

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Use the method of joints to determine the force ( in k N ) in member B E of the truss shown. Consider a = 3 m , b = 7 m , and F = 8 k N . Report the magnitude of the force acting on the member with a negative sign if the member is under compression, and with a positive sign if it is under tension.
Use the method of joints to determine the force (

The escutcheon ( a decorative plate placed on a plpe where the plpe exits from a wall ) shown is cast from brass. Knowing that the density of brass is 8 4 7 0 k g m 3 , determine the mass of the escutcheon if d = 1 1 m m . ( Round the final answer to four decimal places. ) The mass of the escutcheon is kg .
The escutcheon ( a decorative plate placed on a

PROBLEM 2 Draw the piezometric line, compute the hydraulic gradient, and compute the flowrate through the seepage apparatus shown below: Headwater Head Profile
PROBLEM 2 Draw the piezometric line, compute the

In water treatment processes, 'flocculation' refers to: A ) The removal of pathogens B ) The sedimentation of suspended particles C ) The aggregation of particles into larger masses D ) The disinfection of water

. How does soil consolidation affect the stability of tall buildings?

The land shown in the figure is almost flat and the uniform, planned for building a packed residential complex. The ground comprises of granular soil. What would be a proper range for the number if boreholes? Using two representive SPT numbers ( one obtained from the middle of the top layer, N = 2 0 , and the otherfrom the middle of the bottom
The land shown in the figure is almost flat and

Consider pipe network below with friction factor of 0 . 0 2 . Pipe A B is has a length of 5 0 0 0 ft and a diameter of 3 ft . Each of the pipes B C , B D , C E , and DE have a length of 1 0 0 0 ft and a diameter of 2 ft . Pipe D C is 1 , 4 1 0 f t long and has a diameter of 2 ft . The final solution obtained for this network indicates that the
Consider pipe network below with friction factor

How do theoretical principles of seismic design inform the development of earthquake - resistant structures and infrastructure?

4 7 8 : Discuss the fundamental principles underlying soil compaction techniques, their importance in construction, and the potential consequences of inadequate compaction. Explore the relationship between compaction methods and soil types, considering factors such as moisture content and compaction energy. Highlight key strategies for achieving

#civil Examine the applications of advanced composite materials in civil engineering. How can engineers use fiber - reinforced polymers ( FRP ) , high - performance concrete, and other composites to enhance the durability, strength, and sustainability of structures? . . \ \

What is the primary use of a geotechnical load cell in monitoring the performance of ground anchors during excavation?

Cant encourage artificial intelligence or copying someone else work 1 7 5 . Explain the concept of demand response in energy management.

Determine the reactions at the supports ( A and C ) for the frame given below. EI is constant. Assume all members behave as beam elements and A and C supports are pinned. Provide your answers rounded off to two decimal places P 2 = 1 kN / m; L = 2 m

Civil What are the advantages of intermediate structures in the analysis of geothermal energy financing?

Let A , B , and C refer to the points of measurement of piezometers A , B , and C . Calculate: a ) The hydraulic heads at A , B , and C ( m ) . b ) The pressure heads at A , B , and C ( m ) . c ) The elevation heads at A , B , and C ( m ) . d ) The water pressures at A , B , and C ( N / m 2 ) ( the water density is 1 0 0 0 kg / m 3 and the gravity

Problem # 2 : ( need to show all calculations in detail ) . ( 5 0 % ) For the beam and loading shown: Draw the shear and bending - moment diagrams ( need to show all calculations in detail ) . Determine the maximum absolute value ( a ) of the shear and ( b ) of the bending moment. Determine the minimum required width b , knowing that cross section
Problem # 2 : ( need to show all calculations in

The moist unit weight of a soil sample is 1 7 . 6 6 k N m 3 , its specific gravity is 2 . 8 3 , and its water content is 1 8 % . The dry unit weight of this soil sample is close to q , k N m 3 . Select one: a . 1 6 b . 1 5 c . 1 4 d . 1 7
The moist unit weight of a soil sample is 1 7 . 6

Plumbing & HVAC Symbols on drawings Parts of assemblies Applying the correct unit price Electrical & Technology Symbols on drawings Parts of assemblies Applying the correct unit price How to read electrical drawings at a basic level
Plumbing & HVAC Symbols on drawings Parts of

oblem ( 2 ) : Find
oblem ( 2 ) : Find

What effect could an extreme shortage of skilled workers have on the cost of a project?
What effect could an extreme shortage of skilled

( 8 % ) 1 . The following data is obtained on a fresh cement paste \ table [ [ 8 % Shear Stress ( P a ) , Rate of Strain ( 1 s )
( 8 % ) 1 . The following data is obtained on a

Find change in length of BC Find deflection at B Find applied force at B
Find change in length of BC Find deflection at B

Free Jet Flow: ( 2 0 pt ) ( Please show work ) CE 3 3 6 - Fluid Mechanics Lab \ table [ [ Head ( m ) , x ( m ) , \ table [ [ y
Free Jet Flow: ( 2 0 pt ) ( Please show work ) CE

What are the misclosure and correction? Express your answers in feet to two decimal places separated by a comma. View Available Hint ( s ) Misclosure, Correction = Request Answer
What are the misclosure and correction? Express

The term bleeding in concrete refers to: a ) Separation of coarse aggregates b ) Excessive air content in the mix c ) The rise of water to the surface of fresh concrete d ) The formation of cracks due to drying

Question 1 . Draw the shear and moment diagrams. a . What is the magnitude of the maximum shear? b . What is the magnitude of the maximum bending moment?
Question 1 . Draw the shear and moment diagrams.

please solve this problem finite element method H . W . / For the shaft shown in figure below, find displacement ( u 2 ) .
please solve this problem finite element method H

A well of radius 0 . 3 m pumps water at a constant rate of 3 0 0 m 3 h r from a homogeneous and isotropic unconfined aquifer with a porosity of 0 . 3 . The initial piezometric head is at 5 0 m above the datum which is the bottom of the aquifer. Under steady state conditions, water levels in the pumping well is 4 2 . 6 m , and at an observation
A well of radius 0 . 3 m pumps water at a

Example: Calculate the barrier attenuation for automobile noise of a 3 m high earthen berm located 2 0 m from the centre line of the roadway for an observer 4 0 m from the berm.
Example: Calculate the barrier attenuation for

The term "curing" in concrete refers to: A . Mixing concrete ingredients B . Placing concrete in forms C . Maintaining moisture in concrete to ensure proper hydration D . Compacting concrete to remove air bubbles

how to calculate the shrinkage limit

Which of the following is a characteristic of a sustainable site design? A ) Maximizing impervious surfaces B ) Preserving natural vegetation C ) Increasing surface runoff D ) Reducing green spaces

I ' m requesting fair answer 1 3 2 3 . How are land surveys conducted in waterfront development?

. A cylindrical rod of steel ( { : E = 2 0 7 GPa, 3 0 1 0 6 ) having a yield strength of 3 1 0 MPa ( 4 5 , 0 0 0 ) is to be subjected to a load of 1 1 , 1 0 0 N ( 2 5 0 0 l b ) . If the length of the rod is . ) , what must be the diameter to allow an elongation of .
. A cylindrical rod of steel ( { : E = 2 0 7 GPa,

Using simplified method for beam is shear, the angle of the inclination of the compressive strut, for light weight concrete is _ _ _ _ _ _ degree.

The evaporation losses from a reservoir with a surface area of 5 0 0 acres are 1 5 0 Ac - ft per day. If the average outflow from the reservoir is 5 0 cfs during the day, determine the change in water level from the reservoir ( in feet, indicate whether it increases or decreases ) . You may assume there are not any streams flowing into the

What are the key principles of sustainable urban drainage systems ( SUDS ) in civil engineering? Describe the components of SUDS, including permeable pavements, green roofs, and rainwater harvesting systems, and explain how these systems are designed to manage stormwater runoff, reduce flooding, and improve water quality in urban areas.

KV 5 0 : How could theoretical research in structural biology inspire the design of biomimetic materials for sustainable construction practices? ( Do not give answer with AI tools I will give dislikes to the answer )

answer fastly otherwise gives dislike 8 9 6 . What is a surveyor s level?

Explore the theoretical foundations and computational methods employed in the analysis of prestressed concrete structures to ensure their strength, serviceability, and durability under various loading conditions and environmental influences.

Question 1 1 2 . 5 / 2 . 5 pts Which of the following elements is found in almost every flammable substance? Hydrogen; Carbon; Sulfur; A and C; None of above. Question 1 2 2 . 5 / 2 . 5 pts _ _ _ _ _ _ _ is heat transfer through the movement of hot gases. Explosion; Conduction; Radiation; Convection; None of above. IncorrectQuestion 1 3 0 / 2 . 5

Don't use AI & Answer fastly requesting 4 7 1 . Define the term "urban development intensity."

a steel tape having a correct lenghlength at 2 2 \ deg c was used to measure a base line and the recorded readings have the total of 8 5 6 . 5 1 5 meters. if the average temperature during the measurement was 1 8 \ deg c , determine the correct lengh of the line.

Locate the centroide for the plane area shown
Locate the centroide for the plane area shown

What are the key factors influencing the choice between roller - compacted concrete ( RCC ) and conventional concrete in dam construction projects?

A beam with the following geometry and cross - section is constructed with concrete of compressive strength of 3 0 0 0 psi, 3 No . 6 bars at the bottom face, and 3 No . 6 bars at the top face of the beam. The beam supports a total dead load ( including self - weight ) of 7 2 5 plf , L 1 of 6 0 0 plf , and L 2 of 1 0 4 0 plf . Note that L 1 and L 2
A beam with the following geometry and cross -

Delve into the theories governing the behavior of reinforced concrete structures under various loading conditions, focusing particularly on the principles of flexural and shear reinforcement. Analyze the mechanisms of concrete cracking and the role of reinforcement in enhancing structural strength and ductility. Furthermore, discuss the design

Question in Civil Engineering Please try to give Correct Answer otherwise I will give Dislikes 2 3 . SPT

The force F = { - 6 i + 3 j + 4 0 k } N is applied to the block shown in the Figure. Determine the moment of the force F about the diagonal A F of the rectangular block. Express your answers in newton - meters to three significant figure. Enter the x , y , and z components of the moment separated by commas. . ( M A F ) x , ( M A F ) y , ( M A F )
The force F = { - 6 i + 3 j + 4 0 k } N is

Problems on Section Properties: Note: A , B and C are the last 3 digits of your student number. Student Number 2 0 1 8 1 0 0 2 7 4 " C " = 2 ; " B " = 7 ; " A " = 4 ( For Problems 1 - 2 ) Determine the properties of the combined sections shown below a . Area b . Centroid c . Moment of inertia ( Ix and Iy ) d . Section Modulus ( Sx and Sy ) e .

Water flows in a rectangular, concrete, open channel that is 1 2 m wide at a depth of 2 . 5 m . The channel slope is 0 . 0 0 2 8 . Find the watervelocity and the flow rate. ( n = 0 . 0 1 3 )

I won't encourage I'llegal content 3 2 . What are the challenges associated with the machining of composite materials? How can these challenges be addressed to ensure high - quality machining?

Which of the following best defines traffic calming measures in civil engineering? a ) Techniques to increase traffic flow in urban areas b ) Methods to reduce congestion on highways c ) Strategies to improve road safety and decrease vehicle speeds in urban areas d ) Approaches to enhance pavement durability in rural areas

Problem 1 Your colleague asks you to help them with the design of the beam shown on the right. Specifically, you are asked to perform the following so that the moment connection at A can be designed: ( a ) Use the M ller - Breslau principle to develop qualitative influence lines ( IL ) to determine the live load patterns that will produce maximum
Problem 1 Your colleague asks you to help them

QUESTION 4 : Consider the traflic flow on a one - lane road leading to a railway grade crossing. The capacity and free - flow speed of the traffic flow are 1 , 5 0 0 vehicles / hour and 6 0 k m h our, respectively. Traffic flow in normal traffic condition is characterized by a wolume of 1 , 2 6 0 vchicles / hour and a speed of 4 2 k m hour. On one
QUESTION 4 : Consider the traflic flow on a one -

Determine the force in each member of the truss by method of joints and state if it is in tension or compression. Set P 1 = 1 0 0 l b , P 2 = 2 2 5 l b , and P 3 = 3 5 0 l b . The reactions at A are: A y = 3 6 6 . 7 lbuarr and A x = 1 7 8 l b . The reaction at B is 3 5 6 lb .
Determine the force in each member of the truss

A roadway bridge crosses the Idyllic River, which flows west to east. A truck carrying hazardous material ( 1 , 3 - megadeath or some other nasty liquid chemical ) crosses the bridge. On a patch of black ice, the driver loses control; the truck crashes through the guardrail and falls into the river. Before hazardous - material response crew can
A roadway bridge crosses the Idyllic River, which

3 6 0 . Describe the process of wind turbine blade pitch adjustment.

Problem 4 For the shown simply supported beam, it is under a couple moment M and at the same time, on the top of the beam, temperature increase t 1 and the bottom of the beam temperature decrease t 1 . The cross sectional area of the beam is b h . What is the the magnitude of the couple moment M so that the rotation angle = 0 ?
Problem 4 For the shown simply supported beam, it

A city of 5 0 0 , 0 0 0 people is discharging sewage into the ocean from a submerged multiport diffuser as shown in Fig. 2 - 1 . It is assumed that an initial dilution of 1 0 0 is achieved at the point where the discharge reaches the surface ( i . e . , at x = 0 the sewage concentration is 1 1 0 0 of its discharge value ) . Under certain wind
A city of 5 0 0 , 0 0 0 people is discharging

2 . 1 0 The sulfur dioxide ( S O 2 ) stack - gas concentration from fossil - fuel combustion is 2 ppmv . Determine the stack - gas S O 2 concentration in units of g m 3 . Assume 0 C and 1 atm pressure.
2 . 1 0 The sulfur dioxide ( S O 2 ) stack - gas

Explain the theoretical principles behind the design of earthquake - resistant structures and the role of damping systems in mitigating seismic vibrations.

A wheel can rotate about the stationary frame. The contact length between the wheel and the frame is 5 . 5 cm . The inner diameter of the wheel holder is 8 cm and the outer diameter of the stationary frame is 6 cm . If the greasing fluid viscosity was 0 . 5 N . s / m ? . Find out the torque required to maintain the speed 2 5 km / hr considering
A wheel can rotate about the stationary frame.

Use the cross - section method to determine ( in BCY ) the amount of cut in grid cell 1 7 of the site plan below. The grids are 5 0 feet apart in both directions. The existing grade appears above the proposed grade Question 2 2 pts Use the cross - section method to determine ( in BCY ) the amount of cut in grid cell 1 7 of the site plan below. The
Use the cross - section method to determine ( in

K = 3 5 ABC triangle is drawn on the thin plate in the figure when it is unloaded. A B length is parallel to the " x " axis and measured as ? b a r ( A B ) = 2 0 c m . Determine: a ) the final length of side B C . b ) the amount of change of side AC . c ) the amount of change in plate thickness. d ) the final volume of the plate. E = 7 0 GPa v = 1
K = 3 5 ABC triangle is drawn on the thin plate

Use the profile and mass diagram to find the following values: a . Limits In ( ft / mt ) for each of the balanced section 1 to 4 . b . How much extra material need to be borrowed? c . What is the average haul distance for Section 2 , 3 & 4 .
Use the profile and mass diagram to find the

Q 1 : Figure 1 shows a group of square piles ( 3 * * 5 ) , the width and length of each pile 0 . 3 m and 1 2 m respectively, center - to - center spacing of piles 1 m . If the total load 6 0 0 Ton. Table 1 shows the results of SPT test, determine: The consolidation settlement the group? The elastic settlement? The maximum load on pile ( if e x = 0
Q 1 : Figure 1 shows a group of square piles ( 3

Determine the values and draw the diagrams for the Shear force and Bending moment. Discuss various load scenarios. Drnvidad Donint I nad = R = 1 5 K N & , r = 2 0 K N A Provided: Concrete Strength ( f ' c ) = 2 5 MPA; E c = 2 8 , 5 0 0 MPA; unit weight = 2 5 K N m 3 a ) Determine the following: Design loads Ultimate bending moment and Ultimate
Determine the values and draw the diagrams for

. Explain the concept of environmental impact assessment ( EIA ) in civil engineering projects, outlining its objectives, methods, and significance in ensuring sustainable development.

Problem FOUR: Shear & Moment Diagram - Uniformly increasing Loads For the problem diagram shown ( on the back page ) sketch the Load, Shear and Moment diagrams ( separate sketches ) . Label all forces, moments and distances with appropriate units at the change in load points. Provide the answers requested in the adjoining space at the bottom of
Problem FOUR: Shear & Moment Diagram - Uniformly

A mechanical equipment can be model as a SDOF system, after its installation, the static displacement is measured as 0 . 1 mm , what is the natural frequency of the equipment? ( ) ( A ) 4 9 . 8 5 Hz ( B ) 1 5 . 7 6 Hz ( C ) 2 4 . 9 8 Hz ( D ) 3 2 . 4 9 Hz

"What are the key factors influencing the stability of tall buildings during seismic events, and how can structural engineers mitigate their effects? Discuss the principles behind soil stabilization techniques and their applications in civil engineering projects. How does geotechnical investigation contribute to the design and construction of

l n ( Figure 1 ) , F = { 3 0 i - 2 0 j + 5 0 k } N . Part A Determine the magnitude of the moment of the force about the y axis. Express your answer to three significant figures and include the appropriate units. Figure
l n ( Figure 1 ) , F = { 3 0 i - 2 0 j + 5 0 k }

Which of the following is not a surface label that is available out of the box in the Autodesk Civil 3 D software? a . Contour Labels b . Spot Elevation Labels c . Slope Labels d . CutiFill Labels
Which of the following is not a surface label

I appreciate genuine expert and answer fastly 7 7 . Describe the concept of a regenerative building.

( 3 0 points ) The wooden inverted T - beam is made from two 1 - in . thick boards. Knowing that the allowable normal stress of the wood in tension is a l l = + 4 . 0 ksi, the allowable normal stress in compression is a l l = - 9 . 0 ksi, and the allowable shear stress is a l l = 2 . 5 ksi: i ) Determine the maximum concentrated load P that the
( 3 0 points ) The wooden inverted T - beam is

4 . 5 ) Caiculate the Reynold's number for a fluid with a density of 7 5 0 k g m 3 and a viscosity of 0 . 0 5 0 Pa - s flowing through a 1 0 0 m m pipe with a flow rate of 2 2 L s . Estimate the mean critical velocity at turbulent flow.
4 . 5 ) Caiculate the Reynold's number for a

Hydraulic lime is obtained by a) burning of lime stone b) burning of kankar c) adding water to quick lime d) calcination of pure clay

1 . ) A concrete pipe ( n = 0 . 0 1 3 ) must carry 1 1 f t 3 s of stormwater runoff from a parking lot to the municipal storm sewer. The design drawings indicate the slope of the pipe must be 2 . 3 % to ensure open channel flow conditions. a . ) Determine the minimum diameter of pipe. b . ) Select the final design size of the pipe if the standard
1 . ) A concrete pipe ( n = 0 . 0 1 3 ) must

A sump sample is taken from what location of a tank?

"How does the design of a bridge differ when it spans a river compared to when it spans a highway?"

Discuss the different types of foundation systems used in civil engineering projects. Compare and contrast shallow foundations with deep foundations, highlighting their respective applications, advantages, and limitations .

6 7 9 . . Evaluate the challenges and innovations in urban transportation planning. What are the engineering strategies for promoting multimodal transport networks, reducing traffic congestion, and improving accessibility and mobility in cities?

Assume a rough estimate of MSW composition is 6 0 % of paper ( assume cellulose, C 6 H 1 0 O 5 , moisture content 6 % ) and 4 0 % food waste ( assume sugar, C 6 H 1 2 O 6 , moisture content 7 0 % ) . Estimate the HHV using both ultimate analysis and compositional analysis.

A water treatment plant with a design flow of 4 0 . 0 M G D has the following sized units: Sedimentation: 2 tanks 6 0 f t wide, 1 2 0 f t long, and 1 7 f t of liquid depth ? ? tank 6 0 0 f t of effluent weir / tank a . Calculate the sedimentation time, b . the horizontal velocity, and c . the weir loading in the sedimentation basin. d . Do these
A water treatment plant with a design flow of 4 0

I need accurate ansswer with good content 5 4 . Explain the concept of biophilia in green building design.

gave answer without involving Ai contentt 3 9 2 . How are land surveys conducted in flood - prone areas?

Compare all 3 muds with each other according to their filtration and rheological properties.
Compare all 3 muds with each other according to

reinforced concrete class Problem 3 . ( 2 5 % ) An R C beam requires splicing at locations A and B for flexural reinforcement, with details shown in the figure. For each location, splicing for 2 flexural steel bars is needed. The positive moment at A is M u = 1 6 3 k N - m , and the required tensile reinforcement at A is 8 . 8 c m 2 ( calculated
reinforced concrete class Problem 3 . ( 2 5 % )

answer fastly please 6 9 7 . How can the integration of environmental and socio - economic data support comprehensive analysis and decision - making in landscape surveying projects?

H 8 - Water flows through the pipe contraction shown in Fig. P 3 . 3 0 . For the given 0 . 2 - m differencesin manometer level, determine the flowrate as a function of the diameter of the small pipe, D . 9 - How much is the flow rate in the siphon when a = 1 5 0 m m and b = 3 5 0 m m . The pipe diameter is 2 5 m m ? ow much is the flow rate in the

True or False: In the realm of civil engineering, the use of prestressed concrete offers a distinct advantage over traditional reinforced concrete, as it enables the optimization of structural performance by introducing intentional stresses into the material before it is subjected to external loads, resulting in enhanced resistance to both bending

Given the 3 0 minute interval data for direct discharge and rainfall intensities on a 1 . 0 ^ 2 watershed. The rainfall in the first 3 0 minutes is lost as initial abstraction Time ( minutes ) : 0 3 0 6 0 9 0 1 2 0 1 5 0 1 8 0 2 1 0 2 4 0 Rainfall Intensity ( mm / hr ) : 0 1 4 9 2 0 0 0 Direct Discharge ( mm ^ 3 / hr ) : 0 1 . 0 0 E + 0 5 6 . 0 0

Find the Mmax - Maximum bending moment
Find the Mmax - Maximum bending moment

What is "self - compassion" best described as ? A . Being overly critical of oneself B . Treating oneself with kindness and understanding C . Ignoring one's own needs D . Seeking constant external validation

For the steel chimney find the maximum amplitudeat the top of chimney.Take E Est. = 2 0 0 0 0 0 MPa, Gama = 7 8 5 0 kg / m ^ 3 C ( x ) / Cerit . = constant = 0 , 0 0 8
For the steel chimney find the maximum

Which of the following factors contributes significantly to parking congestion in urban areas? a ) Increasing population density b ) Abundance of parking spaces c ) Wide streets and boulevards d ) Low vehicle ownership rates plz include civil engineering in question

A ) Draw the FBD b ) Determine the reactions c ) Draw Axial Force diagram , if appropriate d ) Draw Shear diagram by investigation of equilibrium at specific points along the beam e ) Draw Moment diagram
A ) Draw the FBD b ) Determine the reactions c )

Describe the theoretical framework for calculating the ultimate bearing capacity of a soil without conducting field tests or laboratory experiments.

One leg of a mercury U - tube manometer is connected to a pipe containing water under a gage pressure of 1 0 0 kPa . The mercury in this leg stands 7 5 0 mm below the water. What is the height of mercury in the other leg, which is open to the air? The specific gravity of mercury is 1 3 . 5 . ( A ) 0 . 2 m ( B ) 0 . 5 m ( C ) 0 . 8 m ( D ) 1 m
One leg of a mercury U - tube manometer is

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