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

26. In reinforced concrete, pedestal is defined as compression member, whose effective length does not exceed its least dimension by





27. Flexible pavements derive stability primarily from :





28. The permissible bending tensile stress in concrete for the vertical wall of an R.C. water tank made of M 25 concrete is :





29. The cylinder strength of the concrete is less than the cube strength because of





30. A water treatment plant is required to process 28800 m3/d of raw water (density = 1000 kg/m3, kinematic viscosity = 10-6 m2/s). The rapid mixing tank imparts tank a velocity gradient of 900s-1 to blend 35 mg/l of alum with the flow for a detention time of 2 minutes. The power input (W) required for rapid mixing is





31. An International Association which co-ordinates the police activities of member nations:?





32. A single rapid test to determine the pollu-tional status of river water is :





33. ..............is known as the ‘Spice State of India’?





34. Vane tester is normally used for determining in situ shear strength of :





35. For the frame shown in the below figure, the maximum bending moment in the column is,





36. In a compaction test, as the compaction effort is increased, the optimum moisture content





37. The peak discharge of the instantaneous unit hydrograph of a basin, when compared to the peak discharge of a 4-hour unit hydrograph of that basin, would be





38. The drop manholes are provided in a sewerage system when there is





39. The reaction time for calculation of stopping distance may be assumed as





40. The percentage error in the computed discharge over a triangular notch corresponding to an error of 1% in the measurement of the head over the notch, would be





41. The characteristic strength of concrete is defined as that compressive strength below which not more than





42. Un-factored maximum bending moments at a section of a reinforced concrete beam resulting from a frame analysis are 50, 80, 120 and 180 kNm under dead, live, wind and earthquake loads respectively. The design moment (kNm) as per IS: 456-2000 for the limit state of collapse (flexure) is





43. The microbial quality of treated piped water supplies is monitored by





44. The 5-day BOD of a wastewater sample is obtained as 190 mg/l (with k = 0.01 h-1). The ultimate oxygen demand (mg/l) of the sample will be





45. A tube well having a capacity of 4 m3/hour operates for 20 hours each day during the irrigation season. How much area can be commanded if the irrigation interval is 20 days and depth of irrigation is 7 cm ?





46. In a reinforced concrete beam-column, the increase in the flexural strength along with the increase in the axial strength occurs





47. The group efficiency of a pile group





48. A wastewater sample contains 10-5.6 mmol/l of OH ions at 25° C. The pH of this sample is





49. At a rated capacity of 44 Cumecs, a centrifugal pump develops 36 m of head when operating at 1450 rpm. Its specific speed is :





50. Presence of ifluoride in water greater than permissible level of 1.5 mg/l causes





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