civil-engineering-gate-exam-questions Related Question Answers

51. The values of liquid limit and plasticity index for soils having common geological origin in a rectricted locality usually define





52. M - θ relationship for a simply supported beam shown below is given by :





53. The number of revolutions of a current meter in 50 seconds were found to be 12 and 30 corresponding to the velocities of 0.25 and 0.46 m/s respectively. What velocity (in m/s) would be indicated by 50 revolutions of that current meter in one minute ?





54. A lysimeter is used to measure :





55. In IS : 800 (1984) the permissible compressive stress in column is based on :





56. Sewage treatment in an oxidation pond is accomplished primarily by :





57. Presence of excess nitrates in river water indicates :





58. Two steel plates each of width 150 mm and thickness 10 mm are connected with three 20 mm diameter rivets placed in a zig-zag pattern. The pitch of the rivets is 75 mm and gauge is 60 mm. If the allowable tensile stress is 150 MPa, the maximum tensile force that the joint can withstand is





59. The tree which does not have the potential to absorb sulphur dioxide from the atmosphere, is?





60. A single bay single storey portal frame has hinged left support and a fixed right support. It is loaded with uniformly distributed load on the beam. Which one of the following statements is true with regard to the deformation of the frame ?





61. To have zero active pressure intensity at the tip of a wall in cohesive soil, one should apply a uniform surcharge intensity of





62. The following characteristics pertain to the sand filters used in water industry. Filtration rate is 1 to 4 m3 (m2 day).Typical duration of operation in one run is 24 to 72 hours.Operating cost is low. Which of the above characteristics pertain to slow sand filters ?





63. Effective length of a rafter member between two nodes at a distance L, perpendicular to the plane of the truss, is : .





64. Consistency Index for a clayer soil is [LL = Liquid Limit, PL = Plastic Limit, PI = Plas-ticity Index, W - natural moisture content]



65. The slope of the elastic curve at the free end of a cantilever beam of span L, and with fluxural rigidity EI, subjected to uniformly distributed load of intensity w is





66. If duty (D) is 1428 hectares/cumec and base period (B) is 120 days for an irrigated crop, then delta (Δ) in meters is given by





67. The repeating variables in dimensional analysis should :





68. The minimum dissolved oxygen content (ppm) in a river necessary for the survival of aquatic life is





69. Stopping sight distance is the minimum distance available on a highway which is the




70. A body moving through still water at 6 m/sec produces a water velocity of 4 m/sec at a point 1 m ahead. The difference in pressure between the nose and the point 1 m ahead would be





71. Critical factors for the activated sludge treatment process are





72. MPN index is a measure of one of the following :





73. One of the probable causes of rutting on flexible pavements is





74. The basic assumption of plane sections normal to the neutral axis before bending, remaining plane and normal to the neutral axis after bending, leads to :





75. Negative skin friction occurs when :





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