At what depth should pit sand be excavated from?(a) 1 – 2 m from bed of water body(b) 1 – 2 m from ground surface(c) 1 – 2 cm from bed of water body(d) 1 – 2 cm from ground surfaceI have been asked this question in a national level competition.My doubt stems from Source and Classification of Sand topic in portion Materials for Construction of Basic Civil Engineering

At what depth should pit sand be excavated from?(a) 1 – 2 m from bed

1.	At what depth should pit sand be excavated from?(a) 1 – 2 m from bed of water body(b) 1 – 2 m from ground surface(c) 1 – 2 cm from bed of water body(d) 1 – 2 cm from ground surfaceI have been asked this question in a national level competition.My doubt stems from Source and Classification of Sand topic in portion Materials for Construction of Basic Civil Engineering
Answer» The correct option is (b) 1 – 2 m from GROUND surface The best explanation: Pit sand is found in Earth in deposits. It is OBTAINED by forming pits in the SOIL. At a DEPTH of 1 – 2 m from the ground surface, ANGULAR grained pit sand is obtained.

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