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Q: What is length of the sounding rod or pole?
  • A. 7-8 m
  • B. 5-8 m
  • C. 10-18 m
  • D. 15-18 m
Correct Answer: Option B - Sounding rod or pole– • These are made of strong well reasoned timber usually 5 to 10 cm in diameter and 5 to 8 m in length. • The sounding rods consists of two or three lengths screwed together so that unnecessary length may be removed when not required in shallow water.
B. Sounding rod or pole– • These are made of strong well reasoned timber usually 5 to 10 cm in diameter and 5 to 8 m in length. • The sounding rods consists of two or three lengths screwed together so that unnecessary length may be removed when not required in shallow water.

Explanations:

Sounding rod or pole– • These are made of strong well reasoned timber usually 5 to 10 cm in diameter and 5 to 8 m in length. • The sounding rods consists of two or three lengths screwed together so that unnecessary length may be removed when not required in shallow water.