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civl engineer
civl engineer

civl engineer

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What is Vena Contract in Orifice?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    Vena contracta is the point in a fluid stream where the diameter of the stream is the least and fluid velocity is at its maximum, such as in the case of the stream issuing out of a nozzle. It is a place where cross section area is minimum.

    Vena contracta is the point in a fluid stream where the diameter of the stream is the least and fluid velocity is at its maximum, such as in the case of the stream issuing out of a nozzle. It is a place where cross section area is minimum.

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Rohan Chaugule
Rohan Chaugule

Rohan Chaugule

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What are the various types of electrical works carried out in a high rise building?

  1. Komal Bhandakkar

    Komal Bhandakkar

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    Komal Bhandakkar AUTHOR

    Dear students, Definition : High rise building is that type of building which is taller than 15m height which people can willing to walk up and it also requires mechanically operated vertical Transportation systems. No. of Floors in high rise building= greater than four (i.e. G + 3 Floors) ElectricaRead more

    Dear students,

    Definition :

    High rise building is that type of building which is taller than 15m height which people can willing to walk up and it also requires mechanically operated vertical Transportation systems.

    No. of Floors in high rise building= greater than four (i.e. G + 3 Floors)

    Electrical system :

    The electrical system provided in high rise building depends on the utility of that building.

    High Voltage wire is required for commercial building and it is considered hazardous.

    The machine has its own fuse, there will be wire ways included in the floor slab.

    Various types of electrical works carried out in high rise building:

    • Fixing a standby diesel generator
    • Each consumer has to be protected by a provision of an Earth leakage circuit breaker(ELCB)  to safeguard the persons against electrical shocks.
    • All power sockets need to be earthed through an earth conductor and finally connected to ground pits.
    • Solar power for high rise building is essential to fulfilling all requirements and reduces electricity consumption.
    • Enhances energy conservation
    • New technology:

                  integrated building                      management system(IBMS)

    1. Can monitor and control fire.
    2. It has a security module for access control
    3. Elevator control
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DevilAVRT
DevilAVRT

DevilAVRT

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How to do visual checks on the reinforcement bar at site?

  1. nikeetasharma

    nikeetasharma

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    nikeetasharma Guru

    The test of reinforcement bar at site are as follows; The dia of reinforced bar should not vary. Bars should not be brittle in nature.It should no break in pieces during bending. The pitch length between the twist should be 8 - 12 times that of the nominal dia of bar. The length of the bar should beRead more

    The test of reinforcement bar at site are as follows;

    • The dia of reinforced bar should not vary.
    • Bars should not be brittle in nature.It should no break in pieces during bending.
    • The pitch length between the twist should be 8 – 12 times that of the nominal dia of bar.
    • The length of the bar should be between 11 to 12 meters.
    • Reinforced bars should be grey in color.
    • It should not be corroded.
    • Bars should be free of grease, paint and other material.
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fathima
fathima

fathima

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What is the meaning of the work breakdown structure in the construction program?

  1. AdityaBhandakkar

    AdityaBhandakkar

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    In simple words, work breakdown structure (WBS) is a breakdown of the project to smaller parts or components for deliverable oriented. It is a term related to project management and systems engineering. It is a simplifying tool for a particular task of the project. Following are the purpose of the wRead more

    In simple words, work breakdown structure (WBS) is a breakdown of the project to smaller parts or components for deliverable oriented. It is a term related to project management and systems engineering.

    It is a simplifying tool for a particular task of the project.

    Following are the purpose of the work  breakdown structure:

    1. To recognise the distinct nature of large activity or project
    2. Used for estimating the cost and time required for a project
    3. Control and monitor the tasks
    4. Used for controlling and give unique Identity to each task.

    Following are types of WBS:

    1. Phase Oriented WBS
    2. Deliverable oriented WBS

    Following are some effective guidelines for WBS

    1. The internal in trim and external work of the project should be identified and must all the deliverables that have to be completed.
    2. Using a top-down approach in the project is divided into sub-projects and this continues until the task can be estimated. This approach is popular because of great accuracy.
    3. Level of details
    4. Symmetry absence.
    5. Details of level
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Ancy Joby
Ancy Joby

Ancy Joby

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What are the methods used to control silt at head work?

  1. Preet Chovatiya

    Preet Chovatiya

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    Preet Chovatiya Learner

    The following ways can help to remove or control silt at head work. 1. By installing silt excluder you can control or remove silt easily. 2. Provide a divide wall at the side of canal in river to create trap or pocket for controlling silt. 3. By making smooth flow we should have to avoid unsteady flRead more

    The following ways can help to remove or control silt at head work.

    1. By installing silt excluder you can control or remove silt easily.

    2. Provide a divide wall at the side of canal in river to create trap or pocket for controlling silt.

    3. By making smooth flow we should have to avoid unsteady flow of water.

    4. By handling carefully of regulation of weir.

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aviratdhodare
aviratdhodare

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Why do we mostly use green and white colored GI sheets for roofing and side cladding of industrial sheds? Why are there no other color combinations?

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare
    This answer was edited.

    Thanks for the answer. I agree that there are other combinations like blue and white etc, but is there any specific reason for mostly using green and blue along with white?

    Thanks for the answer. I agree that there are other combinations like blue and white etc, but is there any specific reason for mostly using green and blue along with white?

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Abbas Khan Civil Engineer
Abbas Khan Civil Engineer

Abbas Khan Civil Engineer

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What are digital elevation models in a GIS software? Why we used it in a GIS software? Explain it benefits for the civil engieering  and how we used it for survey of sites?

  1. aviratdhodare

    aviratdhodare

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    aviratdhodare

    Digital elevation models are digital representations of x, y, and z locations of points on the surface area of a terrain. These locations are acquired either from a GPS receiver, survey instruments, or aerial or satellite stereo photography depending on the spatial accuracy needed. These digital filRead more

    Digital elevation models are digital representations of x, y, and z locations of points on the surface area of a terrain. These locations are acquired either from a GPS receiver, survey instruments, or aerial or satellite stereo photography depending on the spatial accuracy needed.

    These digital files of x, y, and z locations are used by the algorithms in a GIS software to transform into either three-dimensional surfaces or elevation contours. It is the GIS software that makes use of this “spatial data.” The output of these algorithms are used for further analyses and calculations.

    These could be; calculating cut and fill off of the land under study, 3D visualization of a terrain, watershed and viewshed analyses, and many other civil engineering, infrastructure, architectural and even video games, defense and intelligence-related applications and uses.

    Hope this helps.

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Ancy Joby
Ancy Joby

Ancy Joby

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What are the functions of Eidograph in surveying?

  1. Kuldeep Singh

    Kuldeep Singh

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    Kuldeep Singh Learner

    Eidograph has the simple function of copying maps and plots to a different scale. It works on the same principles as a pantograph with the only difference of mechanism. The pantograph uses linkages arranged in a parallelogram while the eidograph might have either a string and pulley system or parallRead more

    Eidograph has the simple function of copying maps and plots to a different scale. It works on the same principles as a pantograph with the only difference of mechanism. The pantograph uses linkages arranged in a parallelogram while the eidograph might have either a string and pulley system or parallelogram linkages.

    There are two pens attached. If you move the primary pin on the map, after setting a desired scale, the secondary pen draws the same map scaled to the scale you set.

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