geotech question for diploma of civil engineering

1. Subject: Geotechnical Engineering and Soil Mechanics Full Marks: 50
Class: XI (Technical) Pass Marks: 20
The figures and margin indicate full marks.
Group ‘A’
Multiple Choice Questions(MCQ) 9*1=9
a. Designing of Road pavement b. Designing Foundation
c. Stabilization of slopes d. All of the above
2. Soil is mixture of
a. Metal, Organic matters and minerals b. Rock dust,Mineral and organic materials Group ‘C’
c. Cement, Sand and aggregates d. None of the above
Long Questions(Any two): 2*8=16
a. liquid limit b. Plastic limit
c. Shrinkage limit d. Permeability limit
4. The void ratio can never be
a. Less than 1 b. Greater than 1
c. Less than zero d. Equal to 1
5. Minimum size of the particles of silt soil is
a. 0.002 mm b. .04 mm C. 0.06 mm d. 0.08 mm
6. A pycnometer is used to determine
a. Voids ratio b.Dry density
b. water content d. Density index
7.Falling head permeability test can be used for
a. Coarse grained soil b. Less permeable soli
c. Clayey soil d. All of above ***Best of Luck***
8. Equipotential lines
a. Interest at the points of equal head b. may unite together
c. never intersect d. None of these
a. 1 b. 0
c. 2 d. 3
Group ‘B’
Short Question( any Five) 5*5=25
b.) Calculate shear strength of soil based on following data:
c=19kpa, normal stress=300kpa, pore water pressure=125kpa, internal friction=35
degree.
19. What is bulk unit weight of soil? Explain the method of determination of bulk unit
weight and dry unit weight by Core cutter method.which type of soil is suitable for this
method?
3. The Minimum water content at which the soil just beings to crumble when rolled in to threads 3 mm diameter, is
known as
13. What is liquid limit of soil? Explain to determine liquid limit of soil.
14. What is classification of soil?What are the different methods of soil classification?
Describe one method of soil classification.
15. Define permeability of soil and Explain darcy's law.
16. In falling head permeameter test, the initial head (at t=0) is 40cm; the head drops by
5cm in 10 minutes.Calculate the time required to run the test for final head to be at 20
cm. If the sample is 6 cm height and 50 cm^2 in c/s area,Calculate the coefficient of
permeability. Taking area of standpipe as 0.5 cm^2.
Shree Namuna Ma. Vi Murkuchi (1-12)
Rautamai-7, Udayapur
Second Annual Examination -2079 Time:- 2 hrs.
1. Application of Geotechnical Engineering is required to be studied while
10. What is soil? Describe briefly the importance of Geotechnical engineering in civil engineering.
11. What do you mean by retaining structures? Explain about coffer dam.
12. What is porosity?Explain soil as three phase diagram with net skeches.
Candidates are required to give their answer in their own words as far as practicable.
17. What is shear strength of soil? Explain it's components.Explain the details procedures
to determine the shear strength of soil by direct shear test.
18. a.) What is bearing capacity of soil? Explain terzaghi's assumptions made for the
analysis of bearing capacity of soil for shallow foundation.
9. The value of cohesion for sandy soil is taken as