ASSISTANT-ENGINEER---DIRECTBY-TRANSFER---WATER-AUTHORITY Related Question Answers

51. Internal gear cutting operation can be performed by :

52. .For a damped vibrating system, when the critical damping coefficient is less than the damping coefficient, the system is said to be :

53. If two nodes are observed at a frequency of 1200 rpm during whirling of a simply supported long slender rotating shaft, the first critical speed of the shaft in rpm is.

54. .A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1%, with the internal pressure remaining the same, the percentage change in the hoop stress is.

55. Which Newspaper was founded by Vakkom Moulavi?

56. .Kumaran Asan’s Veena Poovu was first published in :

57. Malayali Memorial Memorandum was submitted to :•

58. Which one is not a work of Changampuzha?

59. The Historic struggle lead by Chattampy swamikal to join scheduled class students to government schools occurred in which place :

60. How many members are there in the Kerala legislative assembly?

61. Mannathu Padmanabhan was the president of which Devaswom board?

62. A triangle lamina having a base 1m and height 1.5m is placed vertically under waterwith the base parallel to the water surface and the base below 3 m of water. The total forceexerted on one face is :

63. If the velocity potential function is given by ɸ - 3x 4y, find the magnitude and direction ofvelocity at any point:

64. Find the hod slope 'i' of a wide rectangular channel so that the flow to roach a given critical depth de and Manning’s coefficient n :

65. The discharge available from a tube well is 120 m3/hr. Assuming 3200 h of working of the tube well for a year, the intensity of irrigation as 50% and average depth of Eabi and Kharif crop as 48 cm, the culturable area that this tube well can command is :

66. Lacey's formula for fixation of water way is :

67. An offset is laid out 2o from its true direction on the field, If be scale of plotting is 10 m to 1 cm. find the maximum length of the offset so that the displacement of the point on the paper may not exceed 0.25 mm?

68. The following perpendicular offsets were taken at 10 m intervals from a survey line to an irregular boundary line :3.25, 5.6, 4.2, 6.65, 8.75, 6.2, 3,25,4.2, 5.65. Calculate the area by trapezoidal rule

69. A square footing 2.5 m ˟ 2.5 m is built in a homogeneous bed of sand of unit, weight. 20 kN/m3 and having an angle of shearing resistance of 36o. The depth of the base of the tooting is 1.5 in below the ground surface Calculate the safe load that can be carried by a footing with a factor of safety 6 against complete shear failure?Hearing capacity factors Nc =65.4,

70. How much initial slump is required for a concrete mix to he fluidised by plasticizers or super plasticizers?

71. ISO: 800-2007 limits the values of width thickness ratios of the elements nf a steel section to place a check on :

72. The- shape factor of a square of aide ‘a’ with its diagonal parallel to the ZZ axis is :

73. Strength of a 20 mm diameter bolt of grade 4.6 for a single cover butt joint. The cover plate being 10 mm thick. Assume steel of grade Fe 410, ∫ͧ=410 MPa, for bolts of grade 4.6, f ͧ b - 400 MPa, Partial safety, factor for the material of the boll - 1.25 and net tensile stress area of 20 mm diameter bolt A nb 245 mm2, k-b -0.5 in single shear is :

74. Minimum grade of concrete mix used for water retaining structures with alternate wetting and drying :

75. A hook 12 mm diameter is embedded in concrete for a distance of 100 mm, Calculate the maximum load which the hook can carry if the bond stress is not to exceed 1.28 N/mm2:

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