Top Best Most Important Basic Civil Engineering Interview Questions with Answers On Geotechnical Engineering

1) Who is the Father of Soil Mechanics?

Ans: Karl Terzaghi is known as father of Soil Mechanics. He was the 1^st Person to write a book on soil Mechanics called ‘’Earth bow mechanic’’.

2) What is meant by the term Tearing Leaching?

Ans: The process of chemical weathering in which water soluble material gets removed by water is called leaching.

3) Which mineral is present in Black Cotton Soil?

Ans: 1) Mont Morillonite.

         2) Because of most morillonite expansion take place in Black Cotton Soil. As the water bond between them is weakest.

4) Which is Most Permeable Soil?

Ans: Coarse Gravel.

5) How Shear strength of soil is calculated?

Ans: There are two types of test to be calculated by shear strength.

1)    Laboratory Test.

2)    Field Test.

6) What is void ratio?

Ans:  It is defined as the ratio of volume of void to volume of solid.

         1) Loss of water from surface of concrete.

         2) Bleeding of water from concrete.

         3) Delayed curing of concrete.

7) Why plate load test is carried out?

Ans: To determine the ultimate load bearing capacity of soil and the settlement
under the given load.

8) What are the different methods of determination of water content?

Ans: 1) Oven Drying Method
         2) Pycnometer Method
         3) Calcium Carbide Method (Field Method)
         4) Sand Bath method (Field Method)
         5) Alcohol Method
         6) Torsion Balance Moisture Meter Method.

9) What is Guniting?

Ans: It is a process in which mixture of cement & sand proportion of 1:3 is shouted on concrete surface with the help of gun pressure of 2 to 3 kg/cm².

10) Which Instrument is used to measure Specific Gravity?

Ans: Hydrometer.

11) What is the function of Bentonite?

Ans: It stabilizes the soil.