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The consistency of a saturated cohesive soil is affected by
coefficient of permeability
water content
particle size distribution
density index
Chemical oxygen Demand
(COD) of a sample is always greater than Biochemical Oxygen Demand
(BOD) since it represents
inorganic matter
biodegradable and non-biodegradable organic matter
non-biodegradable organic matter
biodegradable organic matter only
Delta (Δ) in cm. Duty
(D) in hectare Cumec and Base period
(B) in days are related as
D = 8.64 B/Δ
Δ = 864 B/D
B = 864 Δ/D
B = 864 D/Δ
Shear stress develops on a fluid element, if
the fluid is viscous and the flow is nonuniform
the fluid is inviscid
the fluid is at least
the fluid-container is subject to uniform linear acceleration
The deflection of a cantilever beam at free end b applied with a moment M at the same point is
M l2/EI
M l2/4 EI
M l2/3 EI
M l2/2 EI
The focal length of the object glass of a tacheometer is 200 mm, the distance between the vertical axis of the tachometer and the optical centre of the object glass is 100 mm and the spacing between the upper and lower line of the diaphragm axis is 4 mm. With the line of collima-tion perfectly horizontal, the staff intercepts are 1 m (top), 2 m (middle), and 3 m
(bottom). The horizontal distance (m) between the staff and the instrument station is
103.0
150.0
153.0
100.3
At a rated capacity of 44 Cumecs, a centrifugal pump develops 36 m of head when operating at 1450rpm.
Its specific speed is
90
700
509
654
Principle involved in the relationship between submerged unit weight and saturated weight of a soil is based on
Equilibrium of floating bodies
Darcy's law
Stokes' law
Archimedes' Principle
A reinforced concrete column contains longitudinal steel equal to 1 percent of net cross-sectional area of thecolumn.
Assume modular ratio as 10. The loads carried (using the elastic theory) by the longitudinal steel and the net area of concrete, are Ps and Pcrespectively.
The ratio Ps/Pc expressed as percent is
1
10
0.1
1.1
The net effective cross sectional area calculated in the steel angle tension member design, accounts for
the eccentricity of the end connections and the bolt holes
the tensile force and bolt holes
the effectiveness of the end connection
the effectiveness of the tack connection along the length
A volume of 3.0 x 106 m3 of ground water was pumped out from an unconfined aquifer, uniformly from an area of 5km2.
The pumping lowered the water table from initial level of 102 m to 99 m. The specific yield of the aquifier is
0.40
0.20
0.50
0.30
If YY is the centroidal axis of a T beam-section subjected to plastic moment, Mp, the neutral axis lies,
between the lines XX and YY
above the line ZZ
between the lines YY and ZZ
below the line XX
A steel beam supporting loads from the floor slab as well as from wall is termed as
Header beam
Stringer beam
Lintel beam
spandrel beam
If soil is dried beyond its shrinkage limit, it will show
Low volume change
No volume change
Moderate volume change
Large volume change
The unit of dynamic viscosity of a fluid is
m2/s
Ns/m2
kg s2/m2
Pa s/m2
A 1 : 30 model of an ogee spillway crest records an acceleration of 1.3 m/s2 at a certainlocation.
The homologous value of the acceleration in the prototype in m/s2 , is
0.237
0.043
7.120
1.300
The parameters in Horton's infiltration equation are given as, fo = 7.62 cm/hour, fc = 1.34 cm/hour and k = 4.182/hour.
For assumed continuous ponding the cumulative infiltration at the end of 2 hours is
2.68 cm
1.50 cm
1.34 cm
4.18 cm
A three hinged arch shown in the below figur is quarter of a circle, If the vertical and horizontal components of reaction at A are equal, the value of θ is
None in (0°, 90°)
60°
30°
45°
The proposed dam shown in the below figure is 90 m long and coefficient of permeability of the soil is 0.0013 mm/second.
The quantity of water (m3) that will be lost per day, by seepage is (rounded to the nearest number)
59
61
57
55
The shape of the STOP sign according to IRC:67-2001 is
Rectangular
Circular
triangular
octagonal
1
2
8
15
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