Civil Engineer NEC License Exam Mock test Set 1

1. The magnetic bearing of a line is 32° and the magnetic declination is 10° 15′ W. The true bearing is

2. What is the ratio of the velocity at the axis of the pipe to the mean velocity of flow in case of pipe flow under viscous condition?

3. The simply supported beam ‘A’ of length I carries a central point load W. Another beam ‘B’ is, loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is

4. What is the net section area of steel plate 40cm wide and 10mm thick with one bolt if diameter of bolt hole is 18mm?

5. The moisture content of a sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge is

6. Lacey scour depth for a stream carrying a discharge of 3 cumecs per meter width having a silt factor 1.2 is

7. If a power station supplies 1000 MWh of electricity to its consumers for a period of two months, then the average demand during the period will be

8. The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is

9. If a is the base amount expenditure, b is the increase in the operation cost each year over a period of n years, the total cost of maintenance is

10. The waterway for a bridge on the river in alluvial plain having a dominant discharge of 3600 cumecs should be

11. What is the fire demand of the city of 1lakh population by Buston’s formula?

12. If CBR = 5%, then resilient modulus as per NRS is

13. In infinite slope, FOS = 1.5, angle of internal friction = 36°, then find the safe angle.

14. The bearing capacity of very soft clay in kPa is

15. The horizontal thrust in a two hinged semi-circular arch subjected to UDL of w kN/m over left half span will be

16. The value of hydraulic radius in most economical triangular channel is

17. Two capillary tubes P and Q are dipped in water. The height of water level in capillary P is 2/3 to the height in Q capillary. The ratio of their diameters is

18. If initial investment for a machine is Rs 10000 and depreciation amount per year is Rs 1600, then calculate the book value at the end of 5 years.

19. The discharge passing through an ogee spillway is 90 m³/s. Calculate the length of crest if head over the crest is 1.6 m. (Take value of C=1.7)

20. Amoment M is acting at the center of a cantilever beam of length L. What will be the value of shear force and bending moment at the fixed end?

21. The minimum radius of curvature for hair pin bend in hill roads is

22. The top soil of a water logged field becomes more alkaline and infertile if its pH value is

23. When the flow in an open channel is gradually varied, the flow is said to be

24. In a plastic analysis of structures, the segment between any two successive plastic hinges is assumed to deform as

25. The detention period in a septic tank is assumed

26. Pick up the correct statement from the following.

27. Contour lines of different elevations can unite to form one line, only in the case of

28. The radius of gyration of a rectangular section is not proportional to

29. A wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called

30. The frictional resistance of a pipe varies approximately with _____ of the liquid.

31. If the width of a simply supported beam carrying an isolated load at its center is doubled, the deflection of the beam at the center is changed by

32. A fillet weld whose axis is parallel to the direction of the applied load, is known as

33. A manhole is classified as shallow if its depth is between

34. Guide banks are provided to

35. In a reaction turbine, when steam flows through the fixed blades,

36. For the movement of vehicles at an intersection of two roads, without any interference, the type of grade separator generally preferred to, is

37. The technique for establishing and maintaining priorities among the various jobs of a project, is known

38. A Milestone chart

39. Minimum thickness of the base of a flexible pavement, is

40. Which one of the following linings is suitable for shield driven tunneis particularly in the subaqueous regions?

41. According to Bligh’s creep theory, percolating water flows along

42. Zeolite used in zeolite softening process for the treatment of hard water gets exhausted after certain time of usage but can be regenerated by flushing it with

43. The minimum cube strength of concrete used for a pre-stressed member, is

44. A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is

45. In which of the following conditions can the Bernoulli equation not be used?

46. For testing a saturated clay for shear strength, the test recommended, is

47. A projecting piece usually provided to support a truss, is

48. The aggregate containing moisture in pores and having its surface dry, is known as

49. The neutral stress in a soil mass is

50. A floating body attains stable equilibrium if its meta centre is

51. Along the principal plan subjected to maximum principal stress

52. The maximum area of tension reinforcement in beams shall not exceed

53. Which of the following pipe fitting provide a deviation of 90° in the pipework system?

54. Which of the following conditions is NOT applicable to a true regime?

55. Gravity dam is most suitable when the foundation is

56. The bench marks are fixed during the

57. For a financial institution the most important study of a project to be taken for risks management is

58. The techniques for free hand sketch to drawing circle is

59. The ideal shape of a transition curve is

60. In high head hydro power plant the velocity of water in penstock is about

61. Canal irrigation is generally preferred in

62. By boiling water, hardness can be removed if it is due to

63. While compacting the concrete by a mechanical vibrator, the slump should not exceed

64. Which of the following has the minimum compressibility?

65. On wetting, cohesive soils

66. The presence of sand in brick earth prevents:

67. Compaction is a process in which change in volume due to

68. Project performance consists of

69. In which phase, detailed risk analysis is done?

70. Which of the following pavement is best for night visibility?

71. Which of the following shape is made up of uniform triangles?

72. If a beam is subjected to a constant bending moment along its length, then the shear force will

73. Which metallic element is highest in cement?

74. Cement should be stored

75. The ratio of settlement at any time ‘t’ to the final settlement, is known as.

76. Piston sampler is used for which type of soil?

77. Sloughing is the process of

78. During ultimate shear failure, the resistance provided is due to.

79. Number of female members in NEC committee 2079 is

80. The initial setting time of ordinary Portland cement is,