Geotechnical Engineering MCQ Part 1- IES, GATE, RRB AND PSC EXAMS

Geotechnical Engineering MCQ Part 1 Questions

Question No. 01
A plane inclined at an angle to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as
(A) Natural slope line
(B) Repose line
(C) The line
(D) All the above

Question No. 02
Rise of water table above the ground surface causes
(A) Equal increase in pore water pressure and total stress
(B) Equal decrease in pore water pressure and total stress
(C) Increase in pore water pressure but decrease in total stress
(D) Decrease in pore water pressure but increase in total stress

Question No. 03
(A) Soil is homogeneous and fully saturated
(B) Water and soil particles are incompressible
(C) Deformation of the soil, is entirely due to change in volume
(D) All the above

Question No. 04
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then
(A) The liquid limit of soil always increases
(B) The liquid limit of soil always decreases
(C) The liquid limit of soil may increase
(D) The liquid limit of soil may decrease

Question No. 05
A triaxial shear test is preferred to direct shear test, because
(A) It can be performed under all three drainage conditions with complete control
(B) Precise measurement of pore pressure and change in volume during test, is not possible
(C) Stress distribution on the failure plane, is non uniform
(D) None of these

Question No. 06
The average coefficient of permeability of natural deposits
(A) Parallel to stratification is always greater than that perpendicular to stratification
(B) Parallel to stratification is always less than that perpendicular to stratification
(C) Is always same in both directions
(D) Parallel to stratification may or may not be greater than that perpendicular to stratification

Question No. 07
Pick up the correct statement from the following:
(A) The dry density reduces by addition of water after attaining optimum moisture content
(B) The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus
(C) Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils
(D) All the above

Question No. 08
The shear strength of a soil
(A) Is directly proportional to the angle of internal friction of the soil
(B) Is inversely proportional to the angle of internal friction of the soil
(C) Decreases with increase in normal stress
(D) Decreases with decrease in normal stress

Question No. 09
Pick up the correct statement from the following:
(A) The object of classifying soils is to arrange them into groups according to their properties and behaviour
(B) A soil classification system is meant to provide an accepted and systematic method of describing the various types of soils eliminating personal factors
(C) The first category of soil classification is based on grain size of the soil
(D) All the above

Question No. 10
The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is
(A) Vertical if the soil is in an active state of plastic equilibrium
(B) Vertical if the soil is in a passive state of plastic equilibrium
(C) Inclined at 45° to the vertical plane
(D) None of the above

Geotechnical Engineering MCQ Part 1 Answers

Question No 1: d

Question No 2: a

Question No 3: d

Question No 4: a

Question No 5: a

Question No 6: a

Question No 7: d

Question No 8: d

Question No 9: d

Question No 10: a

Leave a Reply

  Subscribe  
Notify of
Open

Join Telegram Channel For Civil Engineering Updates