For ocean sounding where the depth of water is too much and where continuous and accurate record of the depth of water below a boat or ship is to be made, the instrument generally used is known as

Question:

For ocean sounding where the depth of water is too much and where continuous and accurate record of the depth of water below a boat or ship is to be made, the instrument generally used is known as

A.

Tellurometer

B.

Sound meter

C.

Sound box

D.

Fathometer

Answer» b. Sound meter

Note: The above multiple-choice question is for all general and Competitive Exams in India