About Geotechnical engineering

Geotechnical Engineering:

Everything You Need to Know If you're looking for a career that's both challenging and rewarding, geotechnical engineering might be the perfect choice for you! Geotechnical engineers are responsible for studying the earth's surface and subsurface to determine how best to build on it. They work with architects, builders, and contractors to make sure that new construction projects are safe and stable.

Geotechnical engineering is a branch of civil engineering, and it's one of the oldest engineering disciplines. The first geotechnical engineer is thought to have been Roman architect and engineer Vitruvius, who lived in the first century BCE. Geotechnical engineers use principles of geology, soil mechanics, and hydraulics to design and build foundations, tunnels, dams, levees, and other structures.

If you're interested in geotechnical engineering, you'll need to have a strong background in math and science. You should also be good at problem-solving and have excellent communication skills. If you have these qualities, geotechnical engineering could be the perfect career for you!

Wrapping Up

Geotechnical engineering is a fascinating field with a long history. If you're interested in pursuing a career in geotechnical engineering, make sure to do your research and develop a strong foundation in math and science.

Following are some of the multiple choice questions on the Geotechnical engineering with answers that will help the students in developing their knowledge.

Geotechnical engineering MCQ

1. The Tri axial compression test was introduced by __________

  • casagrande and Karl Terzaghi
  • Mohr
  • None of the mentioned
  • All of the mentioned

2. Which of the following is not an engineering property of soil?

  • Compressibility
  • Permeability
  • Particle Size
  • Shear Strength

3. If the pore pressure is measured during un-drained stage of the test, the result can be expressed in terms of __________

  • C’ and φ
  • cu
  • None of the mentioned
  • All of the mentioned

4. Which of the following is an advantage of using tri axial test?

  • Accurate result is not possible
  • The plane of shear failure is predetermined
  • Stress conditions are complex
  • Precise measurement

5. Why consolidation are important engineering parameters in construction?

  • To predict settlement
  • To strengthen soil conditions
  • To reduce cost of construction
  • All above

6. Why consolidation are important engineering parameters in construction?

  • To predict settlement
  • To strengthen soil conditions
  • To reduce cost of construction
  • All above

7. What is the important engineering parameter in shear strength?

  • Internal friction angle
  • Cohesion
  • Volume
  • Both A & B

8. Who overseered the Step Pyramid of Saqqara?

  • Imhoten
  • Imhotep
  • Imhotem
  • Imhopet

9. Bishop’s apparatus does not contain which one of the following equipment?

  • Porous disc
  • Top cap
  • Rollers
  • All of the mentioned

10. The equation for the unconsolidated un drainage strength of clay is __________

  • τ = c + σ tan φ
  • τf = ccu + σ tan φcu
  • τ = c + σ
  • τ = σ tan φ

11. The unconfined compression test was first designed by _________

  • casagrande and Goyal
  • Singh
  • None of the mentioned
  • All of the mentioned

12. Which of the following shear test is developed based on drainage conditions?

  • Quick test and Consolidated un drained test
  • Direct shear test
  • None of the mentioned
  • All of the mentioned

13. When the Mohr circle is drawn in confined compression test, its radius will be equal to ____________

  • Cu
  • qu
  • Ru
  • None of the mentioned

14. Negative pore pressure in clay or sand is developed due to __________

  • Expansion on loading
  • Over loading
  • Loose structure
  • Compaction

15. The deviator stress developed in the proving ring, through the applied pressure is equal to are____________

  • σ1 + σ3
  • σ1 – σ3
  • σ2 – σ3
  • σ2 + σ1

16. Which of the following strength test is commonly used in the laboratory?

  • Direct shear test
  • Confined compression test
  • Tri axial shear test
  • Unconfined shear test

17. Which of the following parameter is used to represent unconfined compressive strength at failure?

  • τf
  • cu
  • qu
  • Au

18. In plastic failure, load corresponding to __________ strain is arbitrarily taken as the failure load.

  • 10 %
  • 5 %
  • 20 %
  • 50 %

19. The vertical stress on the solid cylindrical test apparatus is applied by ____________

  • Major principal stress
  • Minor principal stress
  • Intermediate principal stress
  • All of the mentioned

20. When the sol is in the state of stress, it is said to be in _____________

  • Constant state
  • Plastic equilibrium
  • Stress conditioned state
  • Equilibrium condition

21. Which of the following outlet is provided at the base of the tri axial test apparatus?

  • Cell fluid inlet
  • Pore water outlet
  • Drainage outlet
  • All of the mentioned

22. Stress condition in the Unconfined compression test represents ____________

  • Drained test
  • Un-drained test
  • Quick test
  • All of the mentioned

23. He designed a modern form of sewer network in central London that took 20 years to build

  • Sir Joseph William Bazalgette
  • Thomas Newcomen
  • Antoine Lavoisier
  • John Smeaton

24. A branch of civil engineering that plans the construction of dams and canals

  • geotechnical engineering
  • hydroelectrical engineering
  • hydraulic engineering
  • hydrotechnical engineering

25. A branch of civil engineering that overseers the work on soil and Earth for structures built on right foundation

  • geotechnical engineering
  • geopowered engineering
  • geoelectrical engineering
  • Earth civil engineering

26. First person to engineer the lighthouse on Eddystone Rocks in late 17th century?

  • John Smeaton
  • Henry Winstanley
  • Sir Joseph William Bazalgette
  • James Watt

27. Who is the inventor of the modern form of concrete and what is it made of?

  • Joseph Aspdin
  • finely ground stone
  • clay
  • All of above

28. What are the ingredients of the concrete made by Ancient Romans?

  • limestone
  • volcanic ash
  • small rocks
  • All of above

29. The father of city planning known from Aristotle's "Politics"

  • Hippopotamus of Miletus
  • Hippotatamus of Miletus
  • Hippodamus of Miletused
  • Hippodamus of Miletus

30. What is the plan where the layout of the city is based on rectangular blocks and straight streets at 90 degree intersections?

  • Hippopotamus Plan
  • Hippotatamus Plan
  • Hippodamus Plan
  • Hippodamian Plan

31. Definition of structural engineering

  • more on actual building of a structure
  • the supervision of process in building various parts of an infrastructure
  • focuses on design and framework of structures
  • the designing and embellishing of a completed structure

32. What molecule is used to 'glue' the required gene into the plasmid?

  • Restriction Enzyme
  • Ligase enzyme
  • Glucose
  • Cellulose

33. What is removed from the nucleus of an animal cell during Genetic Engineering?

  • Gene
  • Plasmid
  • Nucleus
  • Ribosome

34. Shearing resistance can be determined in the laboratory by _________ methods.

  • 2
  • 6
  • 4
  • 8

35. The deviator stress σd is given by __________

  • σd = σ1 + σ
  • σd = σ3 – σ1
  • σd=additional axial load/A2
  • σd = σ1 – σ3

36. Pore pressure developed in the tri axial test can be measured by ____________

  • Bishop’s apparatus
  • Pore pressure apparatus
  • Terzaghi’s apparatus
  • Mohr’s apparatus

37. In unconfined compression test the value of σ2 and σ3 is equal to ____________

  • 1
  • 0
  • 0.8
  • ½

38. The unconfined compression test is derived from _____________

  • Direct shear test
  • Vane shear test
  • Tri axial compression tests
  • Drained test

39. The unconfined compression test is generally applicable to ____________

  • Unsaturated clay
  • Saturated clay
  • Fine grained soil
  • Coarse grained soil

40. The value of pore pressure parameter, at failure for saturated clay is __________

  • 1.2 to 2.5
  • 2 to 3
  • 0.3 to 0.7
  • 0.7 to 1.3

41. Factor affecting pore pressure parameters is ___________

  • Type of shear
  • Temperature
  • Nature of the fluid
  • All of the mentioned

42. The change in the pore pressure during an un-drained shear can be explained by ___________

  • Lateral pressure
  • Effective stress
  • Pore pressure parameter
  • Mohr’s circle

43. In an un-drained test on saturated clays, both σ1’ and σ3’ is independent of ____________

  • Pore pressure
  • Shear strength
  • Cell pressure
  • Effective pressure

44. The un-drained test is carried out on sample of clay, silt, and peat to determine _____________

  • Shear Strength of natural ground and Sensitivity
  • Pore pressure
  • None of the mentioned
  • All of the mentioned

45. The consolidated-un drained test can be performed in ___________ methods.

  • 3
  • 2
  • 4
  • 1

46. Which of the following cannot be obtained by using un-drained test?

  • Effective stress failure envelope
  • Shear strength
  • sensitivity
  • All of the mentioned

47. If the reading on the scale of hydrometer is 1.015, the hydrometer reading is

  • 85
  • 15
  • 1000
  • 1.015

48. According to Stokes law, velocity of a falling sphere in a liquid is:

  • Inversely proportional to D2
  • Directly proportional to D2
  • Inversely proportional to D3
  • Directly proportional to D3

49. Hydrometer is used for measuring:

  • Water content
  • Specific gravity of solids
  • Specific gravity of liquids
  • Vapour pressure

50. Final velocity attained by a particle settling in a fluid is called,

  • End velocity
  • Constant velocity
  • Terminal Velocity
  • Tertiary Velocity

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