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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 1

They have come a long way in _______ trust among the users.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 2

The CEO’s decision to quit was as shocking to the Board as it was to __________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 3

The lecture was attended by quite _________ students, so the hall was not very___________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 4

If E = 10; J = 20; O = 30; and T = 40, what will be P + E + S + T?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 5

On a horizontal ground, the base of straight ladder is 6m away from the base of a vertical pole. The ladder makes an angle of 45° to the horizontal. If the ladder is resting at a point located at one-fifth of the height of the pole from the bottom, the height of the pole is _____meter.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 6

P, Q, R, S and T are related and belong to the same family. P is the brother of S. Q is the wife of P. R and T are the children of the siblings P and S respectively. Which one of the following statements is necessarily FALSE?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 7

A square has sides 5cm smaller than the sides of a second square. The area of the larger square is four times the area of the smaller square. The side of the larger square is ________cm.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 8

In a sports academy of 300 people, 105 play only cricket, 70 play only hockey, 50 play only football, 25 play both cricket and hockey, 15 play both hockey and football and 30 play both cricket and football. The rest of them play all three sports. What is percentage of people who play at least two sports?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 9

The increasing interest in tribal characters might be a mere coincidence, but the timing is of interest. None of this, though, is to say that the tribal hero has arrived in Hindi cinema, or that the new crop of characters represents the acceptance of the tribal character in the industry. The films and characters are too few to be described as a pattern.

Q. Who does the word ‘arrived’ mean in the paragraph above?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 10

The new cotton technology, Bollgard-II, with herbicide tolerant traits has developed into a thriving business in India. However, the commercial use of this technology is not legal in India. Notwithstanding that, reports indicate that the herbicide tolerant Bt cotton had been purchased by farmers at an average of Rs 200 more than the control price of ordinary cotton, and planted in 15% of the cotton growing area in the 2017 Kharif season.

Q. Which one of the following statements can be inferred from the given passage?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 11

In a soil specimen, the total stress, effective stress, hydraulic gradient and critical hydraulic gradient are σ, σ’, i and ic, respectively. For initiation of quicksand condition, which one of the following statement is TRUE?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 12

Assuming that there is no possibility of shear buckling in the web, the maximum reduction permitted by IS 800-2007 in the (low-shear) design bending strength of a semi-compact steel section due to high shear is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 13

The coefficient of average rolling friction of a road is fr and its grade is +G%. If the grade of this road is doubled, what will be the percentage change in the braking distance (for the design vehicle to come to stop) measured along the horizontal (assume all other parameters are kept unchanged)?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 14

A circular duct carrying water gradually contracts from a diameter of 30cm to 15cm. The figure (not drawn to scale) shows the arrangement of differential manometer attached to the duct.

When the water flows, the differential manometer shows a deflection of 8cm of mercury (Hg). The values of specific gravity of mercury and water are 13.6 and 1.0, respectively. Consider the acceleration due to gravity, g = 9.81 m/s^{2}. Assuming frictionless flow, the flow rate (in m^{3}/s, round off to 3 decimal places) through the duct is __________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 15

A concentrated load of 500 kN is applied on an elastic half space. The ratio of the increase in vertical normal stress at depths of 2m and 4m along the point of the loading, as per Boussinesq’s theory, would be _______.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 16

A retaining wall of height H with smooth vertical backface supports a backfill inclined at an angle β with the horizontal. The backfill consists of cohesionless soil having angle of internal friction ϕ. If the active lateral thrust acting on the wall is Pa which one of the following statements is TRUE?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 17

In a rectangular channel, the ratio of the velocity head to the flow depth for critical flow condition, is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 18

The probability that the annual maximum flood discharge will exceed 25000 m3/s, at least once in next 5 years is found to be 0.25.The return period of this flood event (in years, round off to 1 decimal place) is _____________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 19

The interior angles of four triangles are given below:

Q. Which of the triangles are ill-conditioned and should be avoided in Triangulation surveys?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 20

A catchment may be idealised as a rectangle. There are three rain gauges located inside the catchment at arbitrary locations. The average precipitation over the catchment is estimated by two methods: (i) Arithmetic mean (P_{A}) and (ii) Thiessen polygon (P_{T}).

Q. Which of the following statements is correct?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 21

An isolated concrete pavement slab of length L is resting on a frictionless base. The temperature of the top and bottom fibre of the slab are T_{t} and T_{b}, respecitvely. Given: the coefficient of thermal expansion = α and the elastic modulus = E. Assuming T_{t} > T_{b} and the unit weight of concrete as zero, the maximum thermal stress is calculated as

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 22

For a given loading on a rectangular plain concrete beam with an overall depth of 500 mm, the compressive strain and tensile strain developed at the extreme fibers are of the same magnitude of 2.5 × 10^{-4}. The curvature in the beam cross-section (in m^{-1}, round off to 3 decimal places), is __________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 23

For a small value of h, the Taylor series expansion of f(x + h) is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 24

If the path of an irrigation canal is below the level of a natural stream, the type of cross drainage structure provided is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 25

In the reinforced beam section shown in the figure (not drawn to scale), the nominal cover provided at the bottom of the beam as per IS 456–2000, is

All dimensions are in mm

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 26

Consider a two-dimensional flow through isotropic soil along x-direction and z-direction. If h is the hydraulic head, the Laplace’s equation of continuity is expressed as

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 27

A soil has specific gravity of its solids equal to 2.65.The mass density of water is 1000 kg/m^{3}. Considering zero air voids and 10% moisture content of the soil sample, the dry density (in kg/m^{3}, round off to 1 decimal place) would be _______.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 28

Which one of the following is correct?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 29

A plane truss is shown in the figure (not drawn to scale).

Q. Which one of the options contains ONLY zero force members in the truss?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 30

A simple mass-spring oscillatory system consists of a mass m, suspended from a spring of stiffness k. Considering z as the displacement of the system at any time t, the equation of motion for the free vibration of the system is The natural frequency of the system is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 31

A completely mixed dilute suspension of sand particles having diameters 0.25, 0.35, 0.40, 0.45 and 0.50mm are filled in a transparent glass column of diameter 10 cm and height 2.50 m. The suspension is allowed to settle without any disturbance. It is observed that all particles of diameter 0.35 mm settle to the bottom of the column in 30 s. For the same period of 30s, the percentage removal (round off to integer value) of particles of diameters 0.45 and 0.50 mm from the suspension is _____________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 32

The maximum number of vehicles observed in any five minute period during the peak hour, If the total flow in the peak hour is 1000 vehicles, the five minute peak hour factor (round off to 2 decimal places) is ___________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 33

Which one of the following is secondary pollutant?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 34

An element is subjected to biaxial normal tensile strains of 0.0030 and 0.0020. The normal strain in the plane of maximum shear strain is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 35

Consider the pin-jointed plane truss shown in the figure (not drawn to scale). Let R_{P}, R_{Q}, and RR denote the vertical reactions (upward positive) applied by the supports at P, Q, and R, respectively, on the truss. The correct combination of (R_{P}, R_{Q}, R_{R}) is represented by

Detailed Solution for Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 35

Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 36

For the following statements:

P – The lateral stress in the soil while being tested in an oedometer is always at-rest.

Q – For a perfectly rigid strip footing at deeper depths in a sand deposit, the vertical normal contact stress at the footing edge is greater than that at its centre.

R – The corrections for overburden pressure and dilatancy are not applied to measured SPTN values in case of clay deposits.

The correct combination of the statements is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 37

Tie bars of 12 mm diameter are to be provided in a concrete pavement slab. The working tensile stress of the tie bars is 230 MPa, the average bond strength between a tie bar and concrete is 2 MPa, and the joint gap between the slab is 10mm. Ignoring the loss of bond and the tolerance factor, the design length of the tie bars (in mm, round off to the nearest integer) is ___________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 38

Average free flow speed and the jam density observed on a road stretch are 60 km/h and 120 vehicles/km, respectively. For a linear speed-density relationship, the maximum flow on the road stretch (in vehicles/h) is _________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 39

The network of a small construction project awarded to a contractor is shown in the following figure. The normal duration, crash duration, normal cost, and crash cost of all the activities are shown in the table. The indirect cost incurred by the contractor is INR 5000 per day.

If the project is targeted for completion in 16 days, the total cost (in INR) to be incurred by the contractor would be _____

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 40

A sample of air analyzed at 0°C and 1 atm pressure is reported to contain 0.02 ppm (parts per million) of NO_{2}. Assume the gram molecular mass of NO_{2} as 46 and its volume at 0°C and 1 atm pressure as 22.4 litres per mole. The equivalent NO_{2} concentration (in microgram per cubic meter, round off to 2 decimal places) would be _______

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 41

Traffic on a highway is moving at a rate 360 vehicles per hour at a location. If the number of vehicles arriving on this highway follows Poisson distribution, the probability (round off to 2 decimal places) that the headway between successive vehicles lies between 6 and 10 seconds is _________

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 42

Consider the ordinary differential equation Given the values of y(1) = 0 and y(2) = 2, the value of y(3) (round off to 1 decimal place), is ______

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 43

A 3 m × 3 m square precast reinforced concrete segments to be installed by pushing them through an existing railway embankment for making an underpass as shown in the figure. A reaction arrangement using precast PCC blocks placed on the ground is to be made for the jacks.

At each stage, the jacks are required to apply a force of 1875 kN to push the segment. The jacks will react against the rigid steel plate placed against the reaction arrangement. The footprint area of reaction arrangement on natural ground are: c = 17 kPa; ϕ = 25^{o} and γ = 18 kN/m^{3}. Assuming that the reaction arrangement has rough interface and has the same properties that of soil, the factor of safety (round off to 1 decimal place) against shear failure is __________.

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 44

A parabolic vertical curve is being designed to join a road of grade + 5% with a road of grade –3%. The length of the vertical curve is 400 m measured along the horizontal. The vertical point of curvature (VPC) is located on the road of grade +5%. The difference in height between VPC and vertical point of intersection (VPI) (in m, round off to the nearest integer) is ______________

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 45

If the section shown in the figure turns from fully-elastic to fully-plastic, the depth of neutral axis (N.A), y̅, decreases by

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 46

A portal frame shown in figure (not drawn to scale) has a hinge support at joint P and a roller support at joint R. A point load of 50 kN is acting at joint R in the horizontal direction. The flexural rigidity. EI, of each member is 10^{6} kNm^{2}. Under the applied load, the horizontal displacement (in mm, round off to 1 decimal place) of joint R would be __________

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 47

A box measuring 50 cm × 50 cm × 50 cm is filled to the top with dry coarse aggregate of mass 187.5 kg. The water absorption and specific gravity of the aggregate are 0.5% and 2.5, respectively. The maximum quantity of water (in kg, round off to 2 decimal places) required to fill the box completely is _________

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 48

A wastewater is to be disinfected with 35mg/L of chlorine to obtain 99% kill of microorganisms. The number of micro-organisms remaining alive (N_{t}) at time t, is modelled by Nt = N0e^{–kt}, where N0 is number of microorganisms at t = 0, and k is the rate of kill. The wastewater flow rate is 36m^{3}/h, and k = 0.23 min-If the depth and width of the chlorination tank are 1.5 m and 1.0m, respectively, the length of the tank (in m, round off to 2 decimal places) is _________

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 49

The cross-section of a built-up wooden beam as shown in the figure (not drawn to scale) is subjected to a vertical shear force of 8kN. The beam is symmetrical about the neutral axis (N.A.) shown, and the moment of inertia about N.A. is 1.5 × 10^{9} mm^{4}. Considering that the nails at the location P are spaced longitudinally (along the length of the beam) at 60 mm, each of the nails at P will be subjected to the shear force of

All dimensions are in mm

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 50

A staff is placed on a benchmark (BM) of reduced level (RL) 100.000 m and a theodolite is placed at a horizontal distance of 50m from the BM to measure the vertical angles. The measured vertical angles from the horizontal at the staff readings of 0.400m and 2.400 m are found to be the same. Taking the height of the instrument as 1.400 m, the RL (in m) of the theodolite station is _________

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 51

A 0.80 m deep bed of sand filter (length 4m and width 3m) is made of uniform particles (diameter = 0.40 mm, specific gravity = 2.65, shape factor = 0.85) with bed porosity of 0.4. the bed has to be backwashed at a flow rate of 3.60 m^{3}/min. During backwashing, if the terminal settling velocity of sand particles is 0.05 m/s, the expanded bed depth (in m, round off to 2 decimal places) is ______

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 52

A reinforced concrete circular pile of 12m length and 0.6 m diameter is embedded in stiff clay which has an undrained unit cohesion of 110 kN/m^{2}. The adhesion factor is 0.The Net Ultimate Pullout (Uplift) Load for the pile (in kN, round off to 1 decimal place is) is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 53

A survey line was measured to be 285.5m with a tape having a nominal length of 30m. On checking, the true length of the tape was found to be 0.05 m too short. If the line lay on a slope of 1 in 10, the reduced length (horizontal length) of the line for plotting of survey work would be

Detailed Solution for Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 53

Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 54

The rigid-joined plane frame QRS shown in the figure is subjected to a load P at the joint R. Let the axial deformation in the frame be neglected. If the support S undergoes a settlement of the vertical reaction at the support S will become zero when β is equal to

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 55

Which one of the following is NOT a correct statement?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 56

A rectangular open channel has a width of 5m and a bed slope of 0.001. For a uniform flow of depth 2m, the velocity is 2m/s. The Manning’s roughness coefficient for the channel is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 57

The hyetograph of a storm event of duration 140 minutes is shown in the figure.

The infiltration capacity at the start of this event (t = 0) is 17mm/hour, which linearly decreases to 10 mm/hour after 40 minutes duration. As the event progresses, the infiltration rate further drops down linearly to attain a value of 4mm/ hour at t = 100 minutes and remains constant thereafter till the end of the storm event. The value of the infiltration index, ϕ (in mm/hour, round off to 2 decimal places), is _______

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 58

Consider a laminar flow in the x-direction between two infinite parallel plates (Couette flow). The lower plate is stationary and the upper plate is moving with a velocity of 1 cm/ s in the x-direction. The distance between the plates is 5mm and the dynamic viscosity of the fluid is 0.01 N-s/mIf the shear stress on the lower plate is zero, the pressure gradient, (in N/m^{2} per m, round off to 1 decimal place) is______

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 59

A granular soil has a saturated unit weight of 20 kN/m^{3} and an effective angle of shearing resistance of 30°. The unit weight of water is 9.81 kN/m^{3}. A slope is to be made on this soil deposit in which the seepage occurs parallel to the slope up to the free surface. Under this seepage condition for a factor of safety of 1.5, the safe slope angle (in degree, round off to 1 decimal place) would be ____

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 60

Two water reservoirs are connected by a siphon (running full) of total length 5000 m and diameter of 0.10 m, as shown below (figure not drawn to scale).

The inlet leg length of the siphon to its summit is 2000 m. The difference in the water surface levels of the two reservoirs is 5m. Assume the permissible minimum absolute pressure at the summit of siphon to be 2.5m of water when running full. Given: friction factor f = 0.02 throughout, atmospheric pressure = 10.3 m of water, and acceleration due to gravity g = 9.81 m/s^{2}. Considering only major loss using Darcy- Weisbach equation the maximum height of the summit of siphon from the water level of upper reservoir, h (in m round off to 1 decimal place) is _____

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 61

Sedimentation basin in a water treatment plant is designed for a flow rate of 0.2 m^{3}/s. The basin is rectangular with a length of 32m, width of 8m and depth of 4m. Assume that the settling velocity of these particles is governed by the Stokes’ law. Given: density of the particles = 2.5 g/cm^{3}; density of water = 1 g/cm^{3}; dynamic viscosity of water = 0.01 g/(cm.s); gravitational acceleration = 980 cm/s^{2}. If the incoming water contains particles of diameter 25 μm (spherical and uniform) the removal efficiency of these particles is

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 62

A square footing of 4m side is placed at 1 m depth in a sand deposit. The dry unit weight (γ) of sand is 15 kN/m^{3}. This footing has an ultimate bearing capacity of 600 kPa. Consider the depth factors; d_{q} = d_{γ} = 1.0 and the bearing capacity factor: N_{γ} = 18.This footing is placed at a depth of 2m in the same soil deposit. For a factor of safety of 3.0 per Terzaghi’s theory, the safe bearing capacity (in kPa) of this footing would be ________

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 63

Consider two funct In Which one of the following is the

correct expression for ?

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Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 64

A 16 mm thick gusset plate is connected to the 12 mm thick flange plate of an I-section using fillet welds on both sides as shown in the figure (not drawn to scale). The gusset plate is subjected to a point load of 350 kN acting at a distance of 100 mm from the flange plate. Size of fillet weld is 10 mm.

The maximum resultant stress (in MPa, round off to 1 decimal place) on the fillet weld along the vertical plane would be ___________

Detailed Solution for Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 64

Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 65

A one-dimensional domain is discretized into N sub-domains of width Δx with node numbers i = 0, 1, 2, 3, ...., N. If the time scale is discretized in steps of Δt, the forward-time and centered-space finite difference approximation at nth node and n^{th }time step, for the partial differential equation

Detailed Solution for Practice Test: Gate Civil Engineering(CE) 2019 Paper: (Session I) - Question 65

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