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The total expenditure of a family, on different activities in a month, is shown in the piechart. the extra money spent on education as compared to transport (in percent) is ____.
Let total monhly earining = Rs. 100
Monthly spent on education = (15/100) x 100 = Rs. 15
Monthly spent on transport = (10/100) x 10 = Rs. 10
% money extra spent on education as compard to transportation
= ((1510)/10) x 100 = 50%
The unit’s place in 26591749^{110016} is ________.
≌ 26591749^{(110016)}
≌ Unit place of 9^{even} = 1
∴ Cyclicity of 9 is (9, 1), (9, 1), (9, 1)
So answer will be 1.
The sum of two positive numebrs is 100. After subtracting 5 from each number, the product of the resulting numbers is 0. One of the original numbers is ______.
If the product of two positive numbers should be zero, one of the number must be zero.
After subtracting 5 if a positive number should become zero, that number should be 5.
If one number is 5 and the sum is 100 then the other number must be 95.
Let the two positive numbers be x and y.
∴ x + y = 100 ...(i)
(x – 5) (y – 5) = 0 ...(ii)
⇒ x = 5 or y = 5
If x = 5 then y = 95
If y = 5 then x = 95
∴ One of the number is 95 since 5 is not in any of the options.
Five friends P, Q, R, S and T went camping. At night, they had to sleep in a row inside the tent. P, Q and T refused to sleep next to R since he snored loudly. P and S wanted to avoid Q as he usually hugged people in sleep.
Assuming everyone was satisfied with the sleeping arrangements, what is the order in which they slept?
Option (a) satisfies the given conditions in the paragraph.
The american psychologist Howard Gardner expounds that human intelligence can be subcategorised into multiple kinds, in such away that individuals differ with respect to their relative competence in each kind. Based on this theory, modern educationists insist on prescribing multidimensional curriculum and evaluation parameters that enable development and assessment of multiple intelligences.
Which of the following statements can be inferred from the given text?
Based on this theory, modern educationists insist on prescribing multidimensional curriculum and evaluation parameters
This line clearly reflects the inference from the paragraph.
Insert seven numbers between 2 and 34, such that the resulting sequence including 2 and 34 is an arithmetic progression. The sum of these inserted seven numbers is ________.
2, a , (a + d ), (a + 2d ), ...... (a + 6d ), 34
∴ Total number of terms of AP (n) = 9
Let sum of seven inserted numbers = S
∴ S = (7/2)[a+(a+6d0] = 7[a + 3d]
T_{n} = 34
Also, a – 2 = (a + d – a)
⇒ a – d = 2
Similarly a – 2 = 34 – (a + 6d)
⇒ a – 2 = 34 – a – 6d
⇒ 2a = 36 – 6d = 36 – 6(a – 2)
⇒ 2a = 36 – 6a + 12
⇒ 8a = 48
⇒ a = 6
∴ d = a – 2 = 6 – 2 = 4
∴ S = 7(a + 3d ) = 7(6 + 3 × 4) = 126
It is a common criticism that most of the academicians live in their _____, so, they are not aware of the real life challenges.
Select the work that fits the analogy:
Fuse : Fusion :: Use : ______
His number for reading is insatiable. He reads indiscriminately. He is most certainly a/an ________ reader.
If 0, 1, 2, ..., 7, 8, 9 are coded as O, P, Q, ..., V, W, X, then 45 will be coded as _______.
∴ 45 is coded as ‘ST ’.
The data for an agricultural field for a specific month are given below:
Pan Evaporation = 100 mm
Effective Rainfall = 20 mm (after deducting losses due to runoff and deep percolation)
Crop Coefficient = 0.4
Irrigation Efficiency = 0.5
The amount of irrigation water (in mm) to be applied to the field in that month, is
Water required by crop = 100 × 0.4 mm = 40 mm
Effective rainfall = 20 mm
Additional water requried = 20 mm
Amount of water required after accounting irrigation efficiency = 20/0.5 = 40mm
Uniform flow with velocity U makes an angle θ with the yaxis, as shown in the figure
The velocity potential (φ), is
Velocity in xdepth, u_{x }= u sin θ
Velocity in y depth, u_{y} = u cos θ
Integrating it φ =–u_{x}x + f (y ) + c
= –(u sin θ) x + f (y) + c ...(i)
Integrating it φ =–u_{y} y + f (x) + c
= –(u cos θ) y + f (x) + c ...(ii)
By equation (i) and (ii),
φ = −u ( x sinθ +y cos θ)
If we take
Then φ = u ( x sin θ + y cos θ)
So, φ = ± u ( x sinθ + y cos θ)
An amount of 35.67 mg HCl is added to distilled water and the total solution volume is made to one litre. The atomic weights of H and Cl are 1 and 35.5, respectively.
Neglecting the dissociation of water, the pH of the solution, is
HCl → H^{+} + Cl^{–}
1 mole of HCL gives 1 mole H^{+} ions
36.5 gm of HCl gives 1 gm of H^{+ }ions
35.67 mg = (1/36.5) x 35.67 = 0.977 mg of H^{+}
pH = –log_{10}[H^{+}] = –log_{10}[9.77 × 10^{–4}]
= –log_{10}9.77 + 4 log_{10}10
= 4 – 0.989 = 3.01
In a soil investigation work at a site, Standard Penetration Test (SPT) was conducted at every 1.5 m interval up to 30 m depth. At 3 m depth, the observed number of hammer blows for three successive 150 mm penetrations were 8, 6 and 9, respectively. The SPTNvalue at 3 m depth, is
No. of blows for each 150 mm penetration 8, 6 and 9.
We will not consider first 150 mm number of blows.
Hence, for last 300 mm, number of blows are 15.
Hence, observed SPT number = 15.
In the following partial differential equation, θ is a function of t and z, and D and K are functions of θ
The above equation is
∵ 1^{st} term of given D. Equation contains product of dependent variable with it’s derivative, so it is nonlinear and also we have 2nd order derivative so it’s order is two i.e., 2^{nd} order non linear equation.
Consider the planar truss shown in the figure (not drawn to the scale)
Neglecting selfweight of the members, the number of zeroforce members in the truss under the action of the load P, is
As Δ_{AB} = 0, hence F_{AB} = 0
Total number of zero force member = 8
A planar elastic structure is subjected to uniformly distributed load, as shown in the figure (not drawn to the scale)
Neglecting selfweight, the maximum bending moment generated in the structure (in kNm, round off to the nearest integer), is ___________ .
As horizontal thrust is zero so it behaves like a beam (curved beam)
A fully submerged infinite sandy slope has an inclination of 30° with the horizontal. The saturated unit weight and effective angle of internal friction of sand are 18 kN/m3 and 38°, respectively. The unit weight of water is 10 kN/m^{3}. Assume that the seepage is parallel to the slope. Against shear failure of the slope, the factor of safety (round off to two decimal places) is _______.
= 0.601
The value of is
It is in from so by LHospital Rule
A reinforcing steel bar, partially embedded in concrete, is subjected to a tensile force P. The figure that appropriately represents the distribution of the magnitude of bond stress (represented as hatched region), along the embedded length of the bar, is
Velocity of flow is proportional to the first power of hydraulic gradient in Darcy’s law. The law is applicable to
Darcy’s law is valid for laminar flow condition in porous media.
The probability that a 50 year flood may NOT occur at all during 25 years life of a project (round off to two decimal places), is _______.
q =1 – P = 0.98
∴ Probability of nonoccurance of an event is given by,
Assurance = q^{n}
= (0.98)^{25}
= 0.603
In a twodimensional stress analysis, the state of stress at a point P is
The necessary and sufficient condition for existence of the state of pure shear at the point P, is
In pure shear condition
σ_{x} = 0, σ_{y} = 0, τ_{xy} = τ
For this condition
(c) is correct
σ_{xx }+ σ_{yy} = 0
The true value of ln(2) is 0.69. If the value of ln(2) is obtained by linear interpolation between ln(1) and ln(6), the percentage of absolute error (round off to the nearest integer), is
True value In 2 = 0.69 = T
Divided differentiation
Approx:
ln 2 = f [x_{0}] + (x – x_{0}) f [x_{0}, x_{1}]
= 0 + (2 – 1) 0.358
= 0.358 = A
In an urban area, a median is provided to separate the opposing streams of traffic. As per IRC : 861983, the desirable minimum width (in m, expressed as integer) of the median, is __________.
As per IRC : 861983
Desirable minimum width of median in urban roads = 5 m
And minimum width = 1.2 m
In a drained triaxial compression test, a sample of sand fails at deviator stress of 150 kPa under confining pressure of 50 kPa. The angle of internal friction (in degree, round off to the nearest integer) of the sample, is ________.
Sand (C = 0); σ_{d }= 150; σ_{3} = 50; σ_{1} = 200
φ = 36.87°
So, the angle of internal friction to the nearest integer is 37°.
During chlorination process, aqueous (aq) chlorine reacts rapidly with water to from Cl^{–}, HOCl, and H^{+ }as shown below
The most active disinfectant in the chlorination process from amongst the following, is
A 4 m wide rectangular channel carries 6 m^{3}/s of water. The Manning’s ‘n’ of the open channel is 0.02. Considering g = 9.81 m/s^{2}, the critical velocity of flow (in m/s, round off to two decimal places) in the channel, is ________.
Critical depth (Y_{C})
Critical velocity (V_{C})= = 2.45 m/s
The Los Angeles test for stone aggregates is used to examine
A river has a flow of 1000 million litres per day (MLD), BOD_{5} of 5 mg/litre and Dissolved Oxygen (DO) level of 8 mg/litre before receiving the wastewater discharge at a location.
For the existing environmental conditions, the saturation DO level is 10 mg/litre in the river. Wastewater discharge of 100 MLD with the BOD_{5 }of 200 mg/litre and DO level of 2 mg/litre falls at that location. Assuming complete mixing of wastewater and river water, the immediate DO deficit (in mg/litre, round off to two decimal places), is _________.
= 7.45 mg/l
DO = DO_{sat} – DO_{mix} = 10 – 7.45 = 2.545 mg/l
During the process of hydration of cement, due to increase in Dicalcium Silicate (C_{2}S) content in cement clinker, the heat of hydration
Which one of the following statements is NOT correct?
A clay deposit with liquidty index greater then 1, will be in liquid stage of consistency.
∵
∴ w_{n} > w_{L}
The area of an ellipse represented by an equation is
= πab
A road in a hilly terrain is to be laid at a gradient of 4.5%. A horizontal curve of radius 100 m is laid at a location on this road. Gradient needs to be eased due to combination of curved horizontal and vertical profiles of the road. As per IRC, the compensated gradient (in %, round off to one decimal place), is ______.
Gradient = 4.5%, R = 100 m
Grade compensation
Compansated Gradient = Gradient G.C = 4.5% – 0.75 = 3.75 4%
Hence C.G = 4%
A body floating in a liquid is in a stable state of equilibrium if its
For stability of floating body M lies above G
GM > 0
A rigid, uniform, weightless, horizontal bar is connected to three vertical members P, Q and R as shown in the figure (not drawn to the scale). All three members have identical axial stiffness of 10 kN/mm. The lower ends of bars P and R rest on a rigid horizontal surface. When NO load is applied, a gap of 2 mm exists between the lower end of the bar Q and the rigid horizontal surface. When a vertical load W is placed on the horizontal bar in the downward direction, the bar still remains horizontal and gets displaced by 5 mm in the vertically downward direction.
The magnitude of the load W (in kN, round off to the nearest integer), is ______.
P_{1} + P_{1} + P_{2} = W ...(i)
P_{1} = P_{3}
So, P_{1} = 10 × 5 = 50 kN
P_{2} = 10 × 3 = 30 kN
W = 2(50) + 30 = 130 kN
A rigid weightless platform PQRS shown in the figure (not drawn to the scale) can slide freely in the vertical direction. The platform is held in position by the weightless member OJ and four weightless, frictionless rollers. Point O and J are pin connections. A block of 90 kN rests on the platform as shown in the figure.
The magnitude of horizontal component of the reaction (in kN) at pin O, is
Σy = 0
⇒ R_{o} sin 36.87 – 90 = 0
Horizontal reaction at O = H_{o}
= R_{o} cos 36.87 = 150 × cos 36.87
= 120 kN
The total stress paths corresponding to different loading conditions, for a soil specimen under the isotropically consolidated stress state (O), are shown below:
The correct match between the stress paths and the listed loading conditions, is
I. Compression loading
OR
II. Compression unloading
OS
III. Exctension unloading
OQ
IV. Extension loading
OP
In a homogeneous unconfined aquifer of area 3.00 km^{2}, the water table was at an elevation of 102.00 m. After a natural recharge of volume 0.90 million cubic meter (Mm^{3}), the water table rose to 103.20 m. After this recharge, ground water pumping took place and the water table dropped down to 101.020 m. The volume of ground water pumped after the natural recharge, expressed (in Mm^{3} and round off to two decimal places), is ______.
V_{R} = 0.9 Mm^{3}
V = 3 × (103.2 – 102)
= 3 × 1.2 = 3.6 Mm^{3}
Now,
V_{D} = 1.5 Mm^{3}
Water flows at the rate of 12 m^{3}/s in a 6 m wide rectangular channel. A hydraulic jump is formed in the channel at a point where the upstream depth is 30 cm (just before the jump). Considering acceleration due to gravity as 9.81 m/s^{2} and density of water as 1000 kg/m^{3}, the energy loss in the jump is
Assuming channle bed to be horizontal and frictionless.
q = 12/6 = 2m^{3}/s/m
Initial Froude No.
From Belenger’s Momentum equation for a rectangular channel
= 5.018
∴ Y_{2} = 5.018 × 0.3 = 1.505 m
Head loss in the jump (h_{L}) =
= 0.968 m
Power lost in the jump = γ_{w}Qh_{L}
= (9.81 × 12 × 0.968) kW
= 114.04 kW
The appropriate design length of a clearway is calculated on the basis of ‘Normal Takeoff’ condition. Which one of the following options correctly depicts the length of the clearway? (Note: None of the option are drawn to scale)
For normal take off condition:
So clearway is less then for 432 m.
The singly reinforced concrete beam section shown in the figure (not drawn to the scale) is made of M25 grade concrete and Fe500 grade reinforcing steel. The total crosssectional area of the tension steel is 942 mm^{2}.
As per Limit State Design of IS 456 : 2000, the design moment capacity (in kNm round off to two decimal places) of the beam section, is __________.
M25 concrete
Fe500 steel
B = 300 mm
d = 450 mm
A_{st} = 942 mm^{2}
M_{u} =?
For the Ordinary Differential Equation with initial condition the solution is
A.E. is m^{2} – 5m + 6 = 0
⇒ m = 2, 3 so C_{f} = C_{1}e^{2t} + C_{2}e^{3t}.
PI = 0 and G. Solution is x = CF + PI =
Now, using initial conditions we get C_{1} = –10, C_{2} = 10.
x = –10e^{2t} + 10e^{3t}
The length and bearings of a traverse PQRS are:
The length of line segment SP (in m, round off to two decimal places), is ________.
ΔL = 40cos80° + 50cos10° + 30cos210°
= 30.20
ΔD = 40sin80° + 50sin10° + 30sin210°
= 33.07
Length, SP = = 44.79 m
A continuous function f (x) is defined. If the third derivative at x_{i} is to be computed by using the fourth order central finitedivideddifference scheme (the step length = h), the correct formula is
Three reservoir P, Q and R are interconnected by pipes as shown in the figure (not drawn to the scale). Piezometric head at the junction S of the pipes is 100 m. Assume acceleration due to gravity as 9.81 m/s^{2} and density of water as 1000 kg/m^{3}. the length of the pipe from junction S to the inlet of reservoir R is 180 m.
Considering head loss only due to friction (with friction factor of 0.03 for all the pipes), the height of water level in the lowermost reservoir R (in m, round off to one decimal places) with respect to the datum, is ________.
Apply conutinuity Q_{3} = Q_{1} + Q_{2}
= A_{1}V_{1} + A_{2}V_{2}
= 0.3209 m^{3}/s
Apply energy eq. between (S) and (R)
H_{s} = H_{r} + h_{f}
z = 97.51 m
The relationship between traffic flow rate (q) and density (D) is shown in the figure.
The shock wave condition is depicted by
A stream with a flow rate of 5 m^{3}/s is having an ultimate BOD of 30 mg/litre. A wastewater discharge of 0.20 m^{3}/s having BOD_{5} of 500 mg/litre joins the stream at a location and instantaneously gets mixed up completely. The crosssectional area of the stream is 40 m^{2} which remains constant. BOD exertion rate constant is 0.3 per day (logarithm base to e). The BOD (in mg/litre round off to two decimal places) remaining at 3 km downstream from the mixing location, is ________.
t = d/v where,
L_{t} = L_{0}e^{–k × t}
= 53.6e ^{–0.3 × 0.26}
= 49.57 mg/l
Consider the system of equations
The value of x_{3} (round off to the nearest integer), is _______.
⇒
A 10 m thick clay layer is resting over a 3 m thick sand layer and is submerged. A fill of 2 m thick sand with unit weight of 20 kN/m^{3 }is placed above the clay layer to accelerate the rate of consolidation of the clay layer. Coefficient of consolidation of clay is 9 × 10^{–2} m^{2}/year and coefficient of volume compressibility of clay is 2.2 × 10^{–4} m^{2}/kN.
Assume Taylor’s relation between time factor and average degree of consolidation.
The settlement (in mm, round off to two decimal places) of the clay layer, 10 years after the construction of the fill, is _________.
= 2.2 × 10^{–4} × 40 × 10 × 10^{3} mm
= 88 mm
Δh after 10 years = 0.214 × 88 = 18.832 mm
If C represents a line segment between (0, 0, 0) and (1,1, 1) in Cartesian coordinate system, the value (expressed as integer) of the line integral
is _________.
= (1 + 1 + 1) – (0 + 0 + 0) = 3
Surface Overflow Rate (SOR) of a primary settling tank (discrete settling) is 20000 litre/m^{2} per day. Kinematic viscosity of water in the tank is 1.01 × 10^{–2} cm^{2}/s. Specific gravity of the settling particles is 2.64. Acceleration due to gravity is 9.81 m/s^{2}. The minimum diameter (in μm, round off to one decimal place) of the particles that will be removed with 80% efficiency in the tank, is _________.
d = 1.446 × 10^{–5} m
= 14.46 μm
A gaseous chemical has a concentration of 41.6 μmol/m^{3} in air at 1 atm pressure and temperature 293 K. The universal gas constant R is 82.05 × 10^{–6} (m^{3} atm)/(mol K). Assuming that ideal gas law is valid, the concentration of the gaseous chemical (in ppm, round off to one decimal place), is _______.
PV = nRT
V = nRT/P
41.6 μ mole of gas volume of 10^{–6} m^{3}
So,
So, 41.6 μ moles/m^{3} = 1 ppm
The soil profile at a site up to a depth of 10 m is shown in the figure (not drawn to the scale). The soil is preloaded with a uniform surcharge (q) of 70 kN/m^{2 }at the ground level. The water table is at a depth of 3 m below ground level. The soil unit weight of the respective layers is shown in the figure. Consider unit weight of water as 9.81 kN/m^{3} and assume that the surcharge (q) is applied instantaneously.
Immediately after preloading, the effective stresses (in kPa) at points P and Q respectively, are
Surcharge (q = 70 kN/m^{2}) is applied instantaneously hence excess pore pressure (u_{i} = 70 kPa) is developed at point P and Q [GWT level is at level P]
At point P: Total stress σ = q + 3γ = 70 + 3 × 18
Pore water pressure = Hydrostatics pore pressure + Excess pore pressure
=0 + u_{i} = 0 + 70 = 70 kN/m^{2}
Effective stress,
At point Q: Total stress, σ = q + 3γ + 4γ_{sat} = 70 + 3 × 18 + 4 × 20
Pore pressure, u = Hydrostatics pore pressure + Excess pore pressure
=4γ_{w} + u_{i }= 4 × 9.81 + 70
Effective stress,
An open traverse PQRST is surveyed using theodolite and the consecutive coordinates obtained are given in the table
If the independent coordinates (Northing, Easting) of station P are (400 m, 200 m) the independent coordinates (in m) of station T, are
ΔL = –5.3
ΔD = –29.9
T, Northing {400 + (–5.3) = 394.7
T, Easting {200 + (–29.9) = 170.1
T [394.7 m, 170.1 m]
Distributed load(s) of 50 kN/m may occupy any position(s) (either continuously or in patches) on the girder PQRST as shown in the figure (not drawn to the scale)
The maximum negative (hogging) bending moment (in kNm) that occurs at point R is
ILD For BM at R:
To get maximum hogging BM at R, keep UDL over PQ and ST.
= 56.25 kNm
A water supply scheme transports 10 MLD (Million Litres per Day) water through a 450 mm diameter pipeline for a distance of 2.5 km. A chlorine dose of 3.50 mg/litre is applied at the starting point of the pipeline to attain a certain level of disinfection at the downward end. It is decided to increase the flow rate from 10 MLD to 13 MLD in the pipeline. Assume exponent for concentration, n = 0.86. With this increased flow, in order to attain the same level of disinfection, the chlorine does (in mg/litre) to be applied at the starting point should be
Waterson law, tc^{h} = Constant
d_{1} = d_{2}, A_{1} = A_{2}
= 4.75 mg/l
The flange and web plates of the doubly symmetric builtup section are connected by continuous 10 mm thick fillet welds as shown in the figure (not drawn to the scale). The moment of inertia of the section about its principal axis XX is 7.73 × 10^{6 }mm^{4}. The permissible shear stress in the fillet welds is 100 N/mm^{2}. The design shear strength of the section is governed by the capacity of the fillet welds.
The maximum shear force (in kN, round off to one decimal place) that can be carriedby the section, is _______.
q = Shear stress at the level mn in the weld = 100 MPa
F = Shear force at the given section
A = Area of the crosssection above the level mn = 100 × 10 mm^{2}
C.G. of shaded area above the level mn = 60 – 5 = 55 m
I = 7.73 × 10^{6} mm^{4}
b = Width of weld at mn (4 welds) = 4 × t = 4 × 7 = 28 mm
t = Throat thickness
= 0.7 × s = 0.7 × 10 × 4 = 28 mm
∴
= 393.5 kN
A dowel bar is placed at a contraction joint. When contraction occurs, the concrete slab cracks at predetermined location(s). Identify the arrangement, which shows the correct placement of dowel bar and the place of occurrence of the contraction crack(s).
A vertical retaining wall of 5 m height has to support soil having unit weight of 18 kN/m^{3}, effective cohesion of 12 kN/m^{2}, and effective friction angle of 30°. As per Rankine’s earth pressure theory and assuming that a tension crack has occurred, the lateral active thrust on the wall per meter length (in kN/m, round off to two decimal places), is ______.
After tension crack
= 21.714 kN/m
A simply supported prismatic concrete beam of rectangular crosssection, having a span of 8 m, is prestressed with an effective prestressing force of 600 kN. The eccentricity of the prestressing tendon is zero at supports and varies linearly to a value of e at the midspan. In order to balance an external concentrated load of 12 kN applied at the midspan, the required value of e (in mm, round off to the nearest integer) of the tendon, is _______.
P = 600 kN
Simply supported span = L = 8 m
To support a point load applied at mid span (W) = 12 kN
Balancing load = Point load
2P sin θ = W
= 40 mm
Traffic volume count has been collected on a 2 lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is observed as 1280 veh/h at level of service ‘C’. The Peak Hour Factor is reported as 0.78125. Historical traffic volume count provides Annual Average Daily Traffic as 122270 veh/day. Directional split of the traffic flow is observed to be 60 : 40. Assuming that traffic stream consists of ‘All Cars’ and all drivers are ‘Regular Commuters’, the number of extra lane(s) (round off to the next higher integer) to be provide, is ________.
Directional design hourly volume (DDHV)
DDHV = AADT × K × D
where, D = Volume proportion in major direction, K = The proportion of AADT occuring in peak hour.
DDHV = 12270 × 0.6 × K [∵ K Assumed 1]
= 7362
f_{HV} = Heavy veh. adjustment factor = 1 for car
f_{P} = Road user familarity adjustment factor
= 1 for regular commuters
As per HCM,
Number of lanes required,
Number of extra lanes = 8 – 2 = 6 lanes
A circular water tank of 2 m diameter has a circular orifice of diameter 0.1 m at the bottom. Water enters the tank steadily at a flow rate of 20 litre/s and escapes through the orifice. The coefficient of discharge of the orifice is 0.8. Consider the acceleration due to gravity as 9.81 m/s^{2} and neglect frictional loses. The height of the water level (in m, round off to two decimal places) in the tank at the steady state, is ______.
Assume H is the level of weter in the tank in steady condition.
For steady water level in the tank
Discharge through orifice = Water enters in the tank
H = 0.5164 m
A cantilever beam PQ of uniform flexural rigidity (EI) is subjected to a concentrated moment M at R as shown in the figure.
The deflection at the free end Q is
Water flows in the upward direction in a tank through 2.5 m thick sand layer as shown in the figure. The void ratio and specific gravity of sand are 0.58 and 2.7, respectively. The sand is fully saturated. Unit weight of water is 10 kN/m^{3}.
The effective stress (in kPa, round off to two decimal places) at point A, located 1 mabove the base of tank, is __________.
= 8.939 kN/m^{2}
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