Define advantages and disadvantage black & white fathometer, Civil Engineering

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Define Advantages and disadvantages Black & White Fathometer?

Advantages of the black & white Fathometer are:

- Inexpensive

- Effective

Disadvantages include the following:

- False readings can occasionally occur due to heavy drift or turbulence.

- The strip chart moves at a constant rate and does not record a horizontal scale; unless the boat can be kept at a constant speed, the scale becomes distorted.

- Fathometers may also fail to detect refilled scour during calm water.

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