Question

Match List-I (Soils) with List-II (Group symbols) and select the correct answer using the codes given below the lists:

List-I
A. Clayey gravel
B. Clayey sand
C. Organic clay
D. Silty sand
List-II
1. SM
2. OH
3. SC
4. GC
Codes:
A B C D

• A. 3 4 2 1
• B. 4 3 1 2
• C. 4 3 2 1
• D. 3 4 1 2

Answer 1

The correct option is C 4 3 2 1

The Unified Soil Classification System (USCS) is a soil classification system used to describe the texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol. Each letter is described below (with the exception of Pt):
First and / or Second Letters

Letter	Definition
G	gravel
S	sand
M	silt
C	clay
O	organic

Second Letters

Letter	Definition
P	poorly graded (uniform particle sizes)
W	well-graded (diversified particle sizes)
H	high plasticity
L	low plasticity