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 Answered
 Review

Question 1 of 110
1. Question
A System of homogeneous linear equations AX = 0 has a nontrivial solution if

Question 2 of 110
2. Question
If 2, 1+2i are the eigen values of a third order matrix A, then the third eigen value is

Question 3 of 110
3. Question
If f(x) = (x – 1) (x – 2) satisfy Lagrange Mean Value theorem at c in the interval [1,3] then c =

Question 4 of 110
4. Question
One root of the equation f(x) = 2x^{2} – 5x +2 = 0 lies in the interval

Question 5 of 110
5. Question
A cantilever beam is subjected to a moment at the free end. The shape of the shear force diagram is a

Question 6 of 110
6. Question
In a simply supported beam subjected to __________loading, the shapes of the shear force diagram and bending moment diagram will be similar.

Question 7 of 110
7. Question
A number of forces acting on a point will be in equilibrium if

Question 8 of 110
8. Question
The point of contraflexure in a fixed beam subjected to uniformly distributed load is_______ times the span of the beam.

Question 9 of 110
9. Question
The rotation at the free end of a cantilever beam subjected to a concentrated load of 10 kN is 0.003 radians. If the same beam is subjected at an end moment 15 kNm at the free end, then deflection at the free end is

Question 10 of 110
10. Question
In a symmetrical I section, the maximum shear stress is carried by

Question 11 of 110
11. Question
The ratio of elongation of a conical bar due to its own weight and that of a prismatic bar is

Question 12 of 110
12. Question
Two beams of rectangular section are A and B. Beam A is 300 × 500 mm and Beam B is 500 ×300 mm. The ratio of torsional strength of beam A to B is

Question 13 of 110
13. Question
The bending stress in a beam is

Question 14 of 110
14. Question
The slenderness ratio of a vertical column of a circular cross section of radius 25 mm and 3 metre effective length is

Question 15 of 110
15. Question
The buckling load does not depend on

Question 16 of 110
16. Question
A three hinged arch is___________structure.

Question 17 of 110
17. Question
A _____beam is kinematically determinate but statically indeterminate.

Question 18 of 110
18. Question
If U is the total strain energy of the trunk and W is the single load applied at the joint then the deflection under the applied load is ∆ = k(u/w) where k is a constant and its value is

Question 19 of 110
19. Question
The flexibility coefficient in matrix method of analysis depends on

Question 20 of 110
20. Question
In Stiffness method of Matrix Analysis of Structures, the unknowns to be determined are

Question 21 of 110
21. Question
When a concentrated load W moves over a railway bridge of span L, the equivalent uniformly distributed is____(W/L)

Question 22 of 110
22. Question
The approximate compressive strength of concrete at 7 days to 28 days is ____ percent

Question 23 of 110
23. Question
An RC rectangular slab has the dimensions ‘I_{y}’ in longer span and ‘I_{x}’ along the shorter span respectively. The ratio (I_{y}/I_{x})<2 and it is supported on opposite longer sides and the other two sides are free. It is to be designed as

Question 24 of 110
24. Question
The permissible stress in concrete of an RC beam under shear is computed from percentage of ______ and _______

Question 25 of 110
25. Question
The short term deflection of an RC beam is calculated using the value of modular ratio ‘m’ as

Question 26 of 110
26. Question
In an RC element, 8 mm diameter bars are to be provided at 80 mm centre to centre. If 10 mm dia bars are to be used in place of 8 mm then the spacing is _____mm.

Question 27 of 110
27. Question
In the load balancing method applied to PSC beams with parabolic cables, the equivalent distributed load is_____ (Pe/I^{2})

Question 28 of 110
28. Question
The minimum and maximum percentage of compression reinforcement in column is _______ of the gross area.

Question 29 of 110
29. Question
The maximum spacing of vertical stirrups is

Question 30 of 110
30. Question
Critical section for one way shear in footing is taken from the face of column at a distance of

Question 31 of 110
31. Question
In property class of 8.8 bolts the first number 8 and the second number 8 indicate ultimate tensile stress of _____ and yield stress of ______

Question 32 of 110
32. Question
The number of plastic hinges requires to form a mechanism in case of propped cantilever subjected to udl is

Question 33 of 110
33. Question
Lug angles are used to

Question 34 of 110
34. Question
In the analysis of beam columns, principle of ______ is not valid.

Question 35 of 110
35. Question
The economical depth of welded plate girder for M=6800 kNm, (d/tw) =180 and f_{y} = 250MPa is approximately_______mm

Question 36 of 110
36. Question
In the design of column bases the bearing strength of concrete as per IS 800 is taken as _____

Question 37 of 110
37. Question
The lacing bars in built up column is to be designed for a total transverse shear equal ___ of the column load and the slenderness ratio of the lacing should not exceed____

Question 38 of 110
38. Question
The design compressive strength of an axially loaded compression member as per IS 8002007 is based on ______ formula

Question 39 of 110
39. Question
The minimum size of weld should not be less than ______ mm and more than _______ thickness of plate.

Question 40 of 110
40. Question
In the plastic analysis of beams, the upper bound theorem satisfy _____ conditions.

Question 41 of 110
41. Question
A saturated undisturbed sample from a clay stratum has a moisture content of 30% and a specific gravity of 2.7. The void ratio of the clay is

Question 42 of 110
42. Question
The void ratios of sand sample in the densest and loosest conditions are 0.4 and 1.2 respectively. The relative density of the soil for the insitu void ratio of 0.6 will be

Question 43 of 110
43. Question
The field density and field moisture content of a soil can be determined by
 Core cutter method
 Sand replacement method
 Proctor compaction test
 Modified Proctor compaction test

Question 44 of 110
44. Question
The liquid limit and plastic limit of a specimen of clayey silt are 40% and 20% respectively. The natural moisture content is 30%. Its plasticity index and consistency index will respectively be

Question 45 of 110
45. Question
If soil is dried beyond shrinkage limit, it will show

Question 46 of 110
46. Question
Consider the following statements.
 Organic matter decreases the permeability of soil
 Entrapped air decreases the permeability of soil
Which of these statements is/are correct?

Question 47 of 110
47. Question
Effective stress on soil

Question 48 of 110
48. Question
The soils most susceptible to liquefaction are

Question 49 of 110
49. Question
During consolidation process of clayey soils, indicate the sequence of the following in the order from first to last:
 Load being taken up by the pore water
 Load being taken up by the soil grains
 Drainage of water from the pores of the soil

Question 50 of 110
50. Question
A borrow pit soil has a dry density of 16 kN/m^{3}. How many cubic meters of this soil will be required to construct an embankment of 100 m^{3} with a dry density of 17 kN/m^{3}.

Question 51 of 110
51. Question
If, instead of single drainage, the number of drainage faces is increased to two in responding soils, the rate of compression will be

Question 52 of 110
52. Question
For a sample of dry cohesionless soil with friction angle, Ø, the failure plane will be inclined to the major principal plane by an angle equal to

Question 53 of 110
53. Question
A sample of saturated cohesionless soil tested in a drained triaxial compression test showed an angle of internal friction of 30^{o}. The deviator stress at failure for the sample at a confining pressure of 200 kPa is equal to

Question 54 of 110
54. Question
The appropriate field test to determine the insitu undrained shear strength of a soft clay is

Question 55 of 110
55. Question
A river 5 m deep consists of a sand bed with saturated unit weight of 20 kN/m^{3},Y_{w} = 10 kN/m^{3}. The effective vertical stress at 5 m from the top of sand bed is

Question 56 of 110
56. Question
The lateral earth pressure coefficients of a soil, K_{a} for active state, K_{p} for passive state and K_{o} for at rest condition, compare as:

Question 57 of 110
57. Question
Which of the following factors affect the bearing capacity of cohesive soils?
 Density of soil
 Angle of internal friction of soil
 Depth of footing
 Width of footing

Question 58 of 110
58. Question
Amongst the clay minerals, the one having the maximum swelling tendency is

Question 59 of 110
59. Question
Sand drains are used to

Question 60 of 110
60. Question
Consider the following statements:
 Friction piles are also called floating piles
 Minimum number of piles to qualify as a pile group is three
 The group efficiency of a pile group may be either less than 100% or more than 100%
Which of these statements are correct?

Question 61 of 110
61. Question
Surface tension is due to

Question 62 of 110
62. Question
The Bernoulli’s equation is applicable to

Question 63 of 110
63. Question
If a water jet of area 0.02 m^{2} strikes at 10 m/s normally on a stationary plate, the force exerted on the plate is

Question 64 of 110
64. Question
The loss of head in a pipe carrying turbulent flow varies

Question 65 of 110
65. Question
It is proposed to increase the discharge by 20% in a circular pipe carrying oil in laminar regime. If all other factors remain unchanged, power consumption to maintain the modified flow relative to the original flow would increase by

Question 66 of 110
66. Question
The average drag coefficient for a laminar boundary layer over a flat plate was obtained as 0.018. If all other factors remain unchanged, and the length of the plate is increased by 4 times its original value, the average drag coefficient would change to

Question 67 of 110
67. Question
Singing of telephone wires in the wind occurs due to

Question 68 of 110
68. Question
In an openchannel flow, for a given discharge
 alternate depths are the depths having same kinetic energy
 alternate depths are the depths having same specific energy
 conjugate depths are the depths having same specific force
 conjugate depths are the depths having same momentum force
Which of the above statements are correct?

Question 69 of 110
69. Question
For a hydraulically efficient triangular channel, the ratio of hydraulic radius to depth of flow is

Question 70 of 110
70. Question
Which of the following GVF profiles are drawdown profiles?

Question 71 of 110
71. Question
A hydraulic jump occurs when there is a break in grade from a

Question 72 of 110
72. Question
Flow measurements with a PrandtlPitot tube showed that the tip readings varied only across the flow while the sideopening readings varied only in the direction flow. The type of flow is

Question 73 of 110
73. Question
In 1:100 model of a spillway, the discharge is 0.1 m^{3}/s. The corresponding discharge in the prototype in m^{3}/s is

Question 74 of 110
74. Question
Consider the following types of turbines
 Francis
 Pelton with a single jet
 Kaplan
The sequence of these turbines in the increasing order of their specific speeds is

Question 75 of 110
75. Question
Two identical pumps, each capable of delivering 0.2 cumec against a head of 30 m, are connected in parallel. The resulting discharge is

Question 76 of 110
76. Question
The rainfall on four successive days over a catchment are 2, 6, 9 and 5 cm. If Ø = 5 cm/day, the direct runoff from the catchment is

Question 77 of 110
77. Question
If the peak of a 2 h unit hydrograph is 20 m^{3}/s, the peak ordinate of a flood hydrograph due to an effective rainfall of 2 cm of 2 hour duration with a base flow 5 m^{3}/s is

Question 78 of 110
78. Question
A water shed of area 100 ha has a runoff coefficient of 0.4. A storm of duration larger than the time of concentration of the watershed and of intensity 3.6 cm/h carries a peak discharge of

Question 79 of 110
79. Question
The volume of water that can be extracted by force of gravity from a unit volume of aquifer material is called

Question 80 of 110
80. Question
A flood wave with a known inflow hydrograph is routed through a large uncontrolled reservoir. The outflow hydrograph will have

Question 81 of 110
81. Question
In an irrigated land , the net irrigation requirement of a crop is found to be 14 cm, the water application efficiency is 80% and the water conveyance efficiency is 70%. The gross irrigation requirement is

Question 82 of 110
82. Question
A canal irrigates a cultural command area to grow sugarcane and wheat. The average discharges required to grow them are 0.36 and 0.27 respectively. The time factor is 0.9. The required discharge of the canal is

Question 83 of 110
83. Question
For a clayey soil, when there is nearly 50% drop in the available moisture, the ratio of actual to potential evapotranspiration is

Question 84 of 110
84. Question
Two different channels, M and N, in two different sites are designed based on Lacey’s theory, to carry the same quantum of discharge. But the bed material of M is found to be finer than that of N.

Question 85 of 110
85. Question
At the base of a gravity dam section, the vertical stress at the toe was found to be 2.4 MPa. If the downstream face of the dam has a slope of 0.707 horizontal : 1 vertical, and if there is no tail water, the maximum principal stress at the toe of the dam is

Question 86 of 110
86. Question
In the treatment of 20,000 m^{3}/day of water, the amount of chlorine used is 12 kg/day. The residual chlorine after 10 minutes contact is 0.25 mg/l. The chlorine demand in kg per day is

Question 87 of 110
87. Question
The order of unit processes, rapid mixing(RM), flocculation(F), primary sedimentation(PS), secondary sedimentation(SS), chlorination(C) and rapid sand filtration(RSF) (first to last) commonly used in a convention water treatment plant is

Question 88 of 110
88. Question
MPN index is a measure of one of the following:

Question 89 of 110
89. Question
Aeration of water is done to remove

Question 90 of 110
90. Question
Blue baby disease in children is caused by the presence of excess

Question 91 of 110
91. Question
The water distribution mains are designed for

Question 92 of 110
92. Question
The alkalinity and the hardness of a water sample are 250 mg/l and 350 mg/l as CaCO_{3}, respectively. Then water has

Question 93 of 110
93. Question
A combined sewer is one which carries

Question 94 of 110
94. Question
The relationship between theoretical oxygen demand (TOD), biochemical oxygen demand (BOD) and chemical oxygen demand (COD) is given by

Question 95 of 110
95. Question
Critical factors for the activated sludge treatment process are

Question 96 of 110
96. Question
The main constituents of gas generated during the anaerobic digestion of the sludge are

Question 97 of 110
97. Question
During temperature inversion in the atmosphere, air pollutants tend to

Question 98 of 110
98. Question
Ozone layer depletion is because of

Question 99 of 110
99. Question
The presence of organic matter as the significant portion of a solid waste indicates its suitability for

Question 100 of 110
100. Question
Two sources generate noise levels of 90 dB and 94 dB respectively. The cumulative effect of these noise levels on the human ear is

Question 101 of 110
101. Question
The rate of super elevation for a horizontal curve of radius 500 m in a national highway for a design speed of 100 kmph is

Question 102 of 110
102. Question
Bitumen of grade 80/100 means

Question 103 of 110
103. Question
The position of base course in a flexible pavement is

Question 104 of 110
104. Question
Traffic capacity is the

Question 105 of 110
105. Question
When two roads with twolane, twoway traffic, cross at an uncontrolled intersection, the total number of potential major conflict points would be

Question 106 of 110
106. Question
The plan of a survey plotted to a scale of 10 m to 1 cm is reduced in such a way that a line originally 10 cm long now measures 9 cm. The area of the reduced plan is measured as 81 cm^{2}. The actual area of the survey in m^{2} is

Question 107 of 110
107. Question
The whole circle bearing of line AB is 50^{o} and of line BC is 120^{o}. The deflection angle at B from AB to BC is

Question 108 of 110
108. Question
The rise and fall method of reduction of level readings provides arithmetic check on

Question 109 of 110
109. Question
After fixing the plane table to the tripod, the main operations needed at each plane table station are 1. Levelling 2. Orientation 3. Centering
The correct sequence of these operations is

Question 110 of 110
110. Question
L of a floor is 200.490. Staff reading on the floor is 1.695 m. Reading on the staff held upside down against the bottom of the roof is 3.305 m. Height of the ceiling is