Q.1
Which of the below is the correct formula to find group index (GI) of soil?
  • a) GI = 0.1a+0.0025ac+0.005bd
  • b) GI = 0.2a+0.005ac+0.01bd
  • c) GI = 0.01a+0.025ac+0.05bd
  • d) GI = 0.02a+0.05ac+0.001bd
Q.2
Soils having ______ values of liquid limit and plastic limit are generally considered to be poor engineering materials.
  • a) Low
  • b) High
  • c) Same
  • d) Different
Q.3
According to the BIS soil classification system, what does SM represent?
  • a) Sandy silt
  • b) Silty sand
  • c) Sandy clay
  • d) Clayey sand
Q.4
Identify the right classification as per the unified soil classification system for the following data provided:
  • a) SP
  • b) SW
  • c) SM
  • d) SC
Q.5
In the textural soil classification chart, the base of the triangle represents the percentage of ______
  • a) Peat
  • b) Silt
  • c) Clay
  • d) Sand
Q.6
The cohesion of a soil ______ with the increase in moisture content.
  • a) Doesn’t change
  • b) Decreases
  • c) Increases
  • d) Decreases then increases
Q.7
Which of the below is the soil classification for the given data?
  • a) A – 4
  • b) A – 3
  • c) A – 5
  • d) A – 7
Q.8
Which of the below soil group – value as subgrade pair has been paired correctly according to the unified soil classification system?
  • a) GC – good
  • b) SW – excellent
  • c) SC – poor
  • d) CH – good
Q.9
Dry sieve analysis is carried out on cohesive soils.
  • a) True
  • b) False
Q.10
Using the below given data, which of the options represent the group index of the soil?
  • a) 4.45
  • b) 3.45
  • c) 4
  • d) 3
Q.11
The ISC system of soil classification consists of a total ofgroups of soil.
  • a) True
  • b) False
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