Quiznetik

Foundation engineering | Set 1

1. The depth of exploration for isolated spread footing is

Correct : C. 25 m

2. Auger is suitable for

Correct : A. soft to stiff clays

3. A                  sample has preserved natural structure of soil.

Correct : A. undisturbed

4. sample has the natural structure of soil as modified.

Correct : A. undisturbed

5. The depth up to which the increase in pressure due to structural loading is likely to cause perceptible settlement is

Correct : B. significant depth

6. Hand auger can be used for depths up to

Correct : B. 6 m

7. Auger boring is used in                      type of soil.

Correct : B. cohesive soil

8. The type of boring, used for making deep excavations is

Correct : A. cylindrical augers

9. Which of the following method is adopted for fast boring?

Correct : D. wash boring

10. Rotary boring can also be called as

Correct : C. core boring

11. type of work.

Correct : B. highway exploration

12. type of soil strata.

Correct : C. boulder

13. type of boring method.

Correct : B. rotary boring

14. The Instruments used in hand augers are

Correct : A. post hole auger

15. The type of boring method that can be used for both rock and soils are

Correct : D. rotary boring

16. The commonly used geophysical method for site exploration is

Correct : B. electrical resistivity

17. Electrical resistivity method is based on measurement of

Correct : A. specific resistance

18. The method used for studying of horizontal changes in the sub-soil is

Correct : B. resistive mapping

19. The commonly used penetration test are

Correct : B. cone penetration test

20. In the seismic refraction method, the waves sent along the ground surface is picked by

Correct : B. geophone

21. Thick wall samplers have area ratio

Correct : B. greater than 10- 25%

22. The inside clearance of the sampler should

Correct : A. lie between 1 to 3%

23. sampler is suitable for soft soils.

Correct : C. stationary position

24. Explanation: The stationary position sampler is suitable for soft soils. The stationary

Correct : C. trap valve

25. For soft sensitive soil, the area ratio of sample

Correct : B. should not exceed 10%

26. Explanation: For soft sensitive soil, the area ratio of sample should preferably not exceed 10%. The thin-wall samplers are those for

Correct : A. thin wall samplers

27. To impart cohesion,              is used.

Correct : B. asphaltic emulsions

28. For undistributed samples              is used.

Correct : A. compressed air sampler

29. For transport of sample to laboratory, the sample is

Correct : A. wrapped in wax paper

30. The two commonly used penetration tests are

Correct : C. all of the mentioned

31. The values derived from penetration tests can be used for finding

Correct : A. depth of hard stratum and strength of soil

32. The observed value of N in static cone penetration test is corrected by

Correct : A. overburden and dilatancy /submergence

33. Correction for increasing effective overburden pressure have been proposed by

Correct : D. all of the mentioned

34. The split tube used in static cone penetration test, is commonly known as

Correct : A. split spoon sampler

35. The total blow required for the second and third 15 cm of penetration in standard penetration test is taken as

Correct : A. seating drive

36. The expression for C n as given by Lio and Whitman is

Correct : B. c n = √(100/σ’)

37. The cone test is useful in determining the bearing capacity of

Correct : A. cohesion less soil and fine sand

38. The cone resistance qc, for sandy silt type of soil is

Correct : C. 2

39. Foundations can be broadly classified under

Correct : A. shallow foundation and deep foundation

40. A foundation is said to be shallow if its depth is                  than its width.

Correct : A. equal to and less than

41. which of the following, is a type of shallow footing?

Correct : A. spread footing

42. Which of the below is the most commonly used shallow foundation?

Correct : B. spread footing

43. The pressure intensity beneath the footing depends upon

Correct : D. all of the mentioned

44. footing can be calculated.

Correct : A. bending moment and shear force

45. In conventional design, allowable bearing capacity should be taken smaller than which of the following value?

Correct : A. safe bearing capacity and allowable bearing pressure

46. In cohesive soil, the pressure distribution beneath the footing is

Correct : A. linear

47. When do strap footings are used in foundation?

Correct : B. distance between the columns are long

48. When two column loads are unequal, which of the possible footing can be provided?

Correct : C. trapezoidal combined footing

49. An analysis of the condition of complete bearing capacity failure is usually termed as

Correct : A. general shear failure

50. For purely cohesive soil, the bearing capacity is given by which of the following equation?

Correct : A. qf = 5.7 c + σ̅

51. The parameters Nc, Nq, Nγ in the equations of bearing capacity failure are known as

Correct : B. bearing capacity factors

52. For purely cohesive soil, local shear failure may be assumed to occur when the soil is

Correct : B. soft to medium

53. Which of the following is a limitation, of assumption in Terzaghi’s analysis?

Correct : A. φ changes when the soil is compressed and strip footing has a rough base

54. Which of the following are original Terzaghi values for Nγ?

Correct : A. 34° and 48°

55. According to the assumptions in Terzaghi’s analysis, the soil is

Correct : A. homogeneous and isotropic

56. The Terzaghi’s general bearing capacity equation is represented as

Correct : B. qf = c nc + σ̅. nq + 0.5γbnγ

57. Local shear failure generally occurs in

Correct : C. loose sand

58. The curve for Nq and Nγ for the transition state from φ = 28° and φ = 38° was given by

Correct : D. all of the mentioned

59. Terzaghi’s bearing capacity equation is not applicable for

Correct : A. depth effect and inclination factor

60. The plate load test is essentially a

Correct : B. field test

61. The plate load test consists in loading a rigid plate at the

Correct : C. foundation level

62. The bearing plate used in plate load test is in the shape of

Correct : B. rectangular and circular

63. The size of bearing plate, which used in plate load test varies from

Correct : A. 300 to 750 mm

64. The loading to the test plate is applied with

Correct : B. hydraulic jack

65. For clayey and silty soils, which of the following bearing plate can be used?

Correct : A. square plate and concrete block

66. The settlement of the plate in a load test is measured with the help of

Correct : A. sensitive dial gauges

67. According to Indian standard method, the loading of the plate should be borne with either by

Correct : A. gravity loading platform and reaction truss

68. A seating pressure of                        is applied on the plate before starting the load test.

Correct : A. 70 g/cm2

69. Which of the following type of loading method is popular now-a-days?

Correct : B. reaction truss

70. Explanation: The use of reaction truss is more popular now-a-days since this is simple, quick and less clumsy.

Correct : B. 2

71. Which of the following pose a limitation to plate load test?

Correct : A. effect of size of foundation and test on cohesive soil

72. For a c-φ soil, Housel suggested which of the following expression?

Correct : A. q = a .q + p .s

73. A = contact area of footing or plate.

Correct : C. 0.003 to 0.05

74. The total settlement of a footing in clay is considered to be consisting of                         components.

Correct : B. three

75. The immediate settlement can be computed from the expression, based on

Correct : B. theory of elasticity

76. The influence factor for rigid square footing is

Correct : B. 0.82

77. A combined footing may be rectangular in shape if both the columns carry

Correct : B. equal loads

78. The equation for computing immediate settlement “Si = μ0μ1 q B ( 1-μ2/Es )” was proposed by

Correct : D. all of the mentioned

79. Explanation: In 1966, Janbu, Bjerrum, and

Correct : D. 1.06

80. The analytical methods used for finding bearing capacity of footing is based on

Correct : A. shear failure

81. The effect of settlement on structure depends upon its

Correct : A. magnitude and uniformity

82. The vertical downward movement of the base of the structure is called

Correct : B. settlement

83. The allowable pressure, that should be selected for a maximum settlement is

Correct : B. 25 mm

84. The maximum allowable settlement for warehouses are

Correct : C. 50

85. According to National building code of India, the differential settlement can be kept within limits by

Correct : A. suitably designing the foundation

86. According to Polish and Tokar brick masonry will crack, when the unit elongation amounts to

Correct : B. 0.005

87. The recommendation of American code, for a differential settlement depends upon

Correct : A. type of structure and pattern of loading

88. The rate of differential settlement is defined by which of the following equation?

Correct : B. l/h

89. in the reinforced concrete footing can be calculated.

Correct : A. bending moment and shear force

90. How many types of foundations are there based on depth?

Correct : D. 2

91. The figure below represents:

Correct : B. wall footing

92. footing is used in load bearing masonry construction.

Correct : C. strip

93. How many types of combined footing are possible?

Correct : A. 2

94. Steining is a component of which of the below type of foundation?

Correct : D. well

95. Pier foundation is also called:

Correct : A. caisson

96. piles.

Correct : C. friction

97. Which of the below is not a preliminary consideration for building a foundation?

Correct : D. soil organisms

98. Machine foundation is subjected to:

Correct : C. static and dynamic loads

99. The art of driving piles into the ground was first established by

Correct : B. romans

100. Based on the function, piles can be classified into                        types.

Correct : C. 8