Define black and white fathometer - non-destructive testing, Civil Engineering

Assignment Help:

Define Black & White Fathometer - Non-Destructive Testing?

Most commonly used sounding device is black & white fathometer. The units are compact and easy to use. They consist of a transducer, which is suspended in the water, a sending/receiving device, and a recording chart, which displays the depth on paper. High frequency sound waves, generally in the range of 200 kHz, emitted from the transducer travel through the water until they strike the channel bottom and are reflected back to the transducer. The fathometer measures the time it takes the sound waves to return to the transducer, and converts that time to the depths of water, which are displayed on a graphic recorder in the form of a continuous plot of the channel bottom.


Related Discussions:- Define black and white fathometer - non-destructive testing

Calculate benefit cost ratio for government project, Calculate the Benefit-...

Calculate the Benefit-Cost Ratio for Municipal Government Project With interest at 10%, the benefit-cost ratio for this municipal government project is most nearly:   Initia

Unloaded propped, Ask questa) In an unloaded propped cantilever, the proppe...

Ask questa) In an unloaded propped cantilever, the propped end sinks vertically relative to the fixed end by an amount ? due to poor construction of the foundation of the prop. Wha

What do you mean by ozone test, Q. What do you mean by Ozone Test? Some...

Q. What do you mean by Ozone Test? Some research and studies determined that the ozone test was unnecessary as this affects only the surface layer.  In un-stretched rubber, ozo

Surving, describe the methods of reducing the levels,and their relative adv...

describe the methods of reducing the levels,and their relative advantages and disadvantages.

Helical reinforcement designed instead of regular links, Question For colum...

Question For column reinforcements, why is helical reinforcement sometimes designed instead of regular links with reasons? Answer The utilization of links for column designi

Railway drawings, section of railway tracks in india ,all dimensions in met...

section of railway tracks in india ,all dimensions in meters

What is codal provisions, According to National Building Code (Sp:7 1970), ...

According to National Building Code (Sp:7 1970), the differential settlement shall be kept within the limits to which the superstructure can accommodate itself without harmful dist

Deflection of beams, 1) A propped cantilever beam ABC is 7m long.It has th...

1) A propped cantilever beam ABC is 7m long.It has the point C fixed and Point A on a roller support.It carries a 200Kn point load at a distance 3m from A.There is a moment of 80KN

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd