83) What is the correct range of cobble from the following listed options?
- a) Greater than 300mm
- b) 80 to 300mm
- c) 4.75mm to 80mm
- d) 0.075mm to 4.75mm
Komal Bhandakkar Answered question January 5, 2021
Answer: b) 80 to 300mm
Explanation:
The Indian Standard grain size classification is given in the following table:
- Boulder = Size greater than 300mm
- Cobble = 80mm to 300mm Size
- Gravel = 4.75mm to 80mm Size
- Sand = 0.075mm to 4.75mm Size
- Silt = 0.002 to 0.075 mm Size
- Clay = Less than 0.002 mm Size
Komal Bhandakkar Edited answer January 5, 2021
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