Geotechnical engineer MCQs
The time of settlement of coarse particle of the soil sample is_____ if it has 0.5 diameter.
If we take γ=0.905D2 and 5 m as the height of the water tank.
(A). Â 22.1 seconds
(B). Â 72.8 seconds
(C). Â 14 seconds
(D). Â 11.6 seconds
(E). Â none of these
Multiple Choice Question Answer: a
What is the size distribution curve, if the curve is situated at the right side of the particle?
(A). Â Coarse-grained soil
(B). Â coarse-grained soil
(C). Â Fine-grained soil
(D). Â None of the mentioned
(E). Â none of these
Multiple Choice Question Answer: c
What is the equation of the shape of particle size curve that is represented by the coefficient of curvature (C(C). ?
(A).  Cc = (D30)2/D10×D60
(B).  Cc = (D40)2/D10×D30
(C).  Cc = (D30)2/D10×D40
(D). Â Cc = D60/D10
(E). Â none of these
Multiple Choice Question Answer: a
Which of the following is the ratio of the coefficient of uniformity (CV)?
(A). Â D10 and D30
(B). Â D30 and D10
(C). Â D60 and D10
(D). Â D10 and D30
(E). Â none of these
Multiple Choice Question Answer: c
How the soil is treated to remove organic matter in it, in the pipette method of sedimentation analysis?
(A). Â Hydrogen peroxide
(B). Â Sodium oxalate
(C). Â Hydrochloric acid
(D). Â Sodium silicate
(E). Â none of these
Multiple Choice Question Answer: a
Where the water outlet is present in the pipette analysis apparatus?
(A). Â Top
(B). Â Bottom
(C). Â Middle
(D). Â Slightly above the bottom
(E). Â none of these
Multiple Choice Question Answer: c
As a standard sedimentation method in a laboratory, what method is used?
(A). Â Pipette method
(B). Â Hydrometer method
(C). Â Sedimentation analysis method
(D). Â Sand replacement method
(E). Â none of these
Multiple Choice Question Answer: a
Dispersing agents that are added to the soil in the pipette method are referred to what?
(A). Â Mechanical agent
(B). Â Calgon
(C). Â Deflocculating agent
(D). Â None of the mentioned
(E). Â none of these
Multiple Choice Question Answer: c
What is the process of removal of the organic matter and the calcium compounds in the dispersion method?
(A). Â Evaporation
(B). Â Sedimentation
(C). Â Pretreatment
(D). Â None of the mentioned
(E). Â none of these
Multiple Choice Question Answer: c
For drainage in pipette analysis, what is the recommended time?
(A). Â 1,8,16,24 min
(B). Â 2,4,6,12,20 and 30 min
(C). Â 1/2,1,2,4,8,15, and 30 min
(D). Â 24,30,34,40,46 min
(E). Â none of these
Multiple Choice Question Answer: c
Using the pipette method for the sedimentation analysis what is not its disadvantage?
(A). Â The apparatus is very simple
(B). Â The method of process is simple
(C). Â It requires more time
(D). Â Requires very accurate weight
(E). Â none of these
Multiple Choice Question Answer: b
What can’t be used as a dispersing agent?
(A). Â Sodium oxalate
(B). Â Sodium oxide
(C). Â Sodium silicate
(D). Â Sodium polyphosphate
(E). Â none of these
Multiple Choice Question Answer: b
How the dispersing agents in soil particles act?
(A). Â Soluble agent
(B). Â Separating agent
(C). Â Cementing agent
(D). Â Deflocculating agent
(E). Â none of these
Multiple Choice Question Answer: c
The poise is equal to what?
(A). Â 0.5 NS/m2
(B). Â 0.8 NS/ m2
(C). Â 10-4 K NS/ m2
(D). Â 0.1 NS/ m2
(E). Â none of these
Multiple Choice Question Answer: d
What do we take the unit weight of water in v=(2/g)r2(Vs-Vw/ɳ)?
(A). Â 0.981 kn/m2
(B). Â 98.1 n/m2
(C). Â 9.81 kn/m2
(D). Â 9.81 n/m3
(E). Â none of these
Multiple Choice Question Answer: c
How the sedimentation analysis is done?
(A). Â Sieve
(B). Â Hydrometer and Pipette
(C). Â All of the mentioned
(D). Â None of the mentioned
(E). Â none of these
Multiple Choice Question Answer: b
What is the time for a particle to settle, of 0.06 diameter at the height of 10 cm?
(A). Â 42 m 59 s
(B). Â 25.8 s
(C). Â 3 m 52 s
(D). Â 42.8 s
(E). Â none of these
Multiple Choice Question Answer: b
What is the Sodium hexametaphosphate used in soil suspension called?
(A). Â Deflocculating agent
(B). Â Aggregate
(C). Â Calgon
(D). Â None of the mentioned
(E). Â none of these
Multiple Choice Question Answer: c
What is the volume (or) capacity of the boiling tube taken in the pipette method?
(A). Â 750 ml
(B). Â 1000 ml
(C). Â 800 ml
(D). Â 500 ml
(E). Â none of these
Multiple Choice Question Answer: d
What is the volume of suspension taken in the hydrometer test?
(A). Â 500
(B). Â 120
(C). Â 100
(D). Â 1000
(E). Â none of these
Multiple Choice Question Answer: d
In which terms, the volume of the hydrometer is taken initially?
(A). Â Liters
(B). Â Millimeters
(C). Â Grams
(D). Â All of the mentioned
(E). Â none of these
Multiple Choice Question Answer: c
How the reduced reading are designated In the calibration of hydrometer reading?
(A). Â RS
(B). Â RL
(C). Â RR
(D). Â RH
(E). Â none of these
Multiple Choice Question Answer: d
What is the corrected hydrometer reading for the meniscus?
(A).  R=Rh’ + Cm
(B).  R=Rh’ + C
(C).  R=Rh’+ Cm ± CL – Cd
(D). Â None of the mentioned
(E). Â none of these
Multiple Choice Question Answer: b
Which of the following filter type is provided at the bottom of drainage sumps and the trenches?
(A). Â Drainage filter
(B). Â Reverse filter
(C). Â Horizontal filter
(D). Â Weighting filter
(E). Â none of these
Multiple Choice Question Answer: d
What is the protective filter called?
(A). Â Horizontal filter
(B). Â Reverse filter and Inverted filter
(C). Â None of the mentioned
(D). Â All of the mentioned
(E). Â none of these
Multiple Choice Question Answer: b
What soil to be protected by a protective filter is said?
(A). Â Pervious materials
(B). Â Protective materials
(C). Â Porous materials
(D). Â Base material
(E). Â none of these
Multiple Choice Question Answer: d
How the filter material should be to prevent the buildup of seepage forces within the filter?
(A). Â Finer
(B). Â Coarse and Pervious
(C). Â None of the mentioned
(D). Â All of the mentioned
(E). Â none of these
Multiple Choice Question Answer: b
Of what layers does the protective filter consists?
(A). Â Base material
(B). Â Sheet-pile
(C). Â Filter material
(D). Â Pervious material
(E). Â none of these
Multiple Choice Question Answer: b
Which organization devised the requirements to be satisfied by the filter material?
(A). Â M.I.T system
(B). Â Indian standard classification
(C). Â PRA system
(D). Â U.S.B.R. Earth manual
(E). Â none of these
Multiple Choice Question Answer: d
For providing what the protective filter is designed?
(A). Â Soil erosion
(B). Â Water moisture
(C). Â Quick drainage
(D). Â All of the mentioned
(E). Â none of these
Multiple Choice Question Answer: c
What can keep the phreatic line of an earth dam within the body of the dam?
(A). Â Proper drainage filter
(B). Â Increasing surface area
(C). Â Increasing soil porosity
(D). Â Providing a protective filter
(E). Â none of these
Multiple Choice Question Answer: d
To what the grain-size curve of a filter should be parallel?
(A). Â Seepage discharge
(B). Â Filter
(C). Â Base materials
(D). Â All of the mentioned
(E). Â none of these
Multiple Choice Question Answer: c
D15 size material is always more than the size of _____ according to the Terzaghi
(A). Â D85
(B). Â D40
(C). Â D20
(D). Â D10
(E). Â none of these
Multiple Choice Question Answer: a
