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Civil Engineering Gate 2020 Set-2 Questions with Answer
Ques 27 GATE 2020 SET-2
A gas contains two types of suspended particles having average sizes of 2 μm and 50 μm. Amongst the options given below, the most suitable pollution control strategy for removal of these particles is
Ques 28 GATE 2020 SET-2
A fair (unbiased) coin is tossed 15 times. The probability of getting exactly 8 Heads (round off to three decimal places), is _______.
Ques 29 GATE 2020 SET-2
The maximum applied load on a cylindrical concrete specimen of diameter 150 mm and length 300 mm tested as per the split tensile strength test guidelines of IS 5816:1999 is 157 kN. The split tensile strength (in MPa, round off to one decimal place) of the specimen is _______.
Ques 30 GATE 2020 SET-2
For an axle load of 15 tonne on a road, the Vehicle Damage Factor (round off to two decimal places), in terms of the standard axle load of 8 tonne, is _______.
Ques 31 GATE 2020 SET-2
24-h traffic count at a road section was observed to be 1000 vehicles on a Tuesday in the month of July. If daily adjustment factor for Tuesday is 1.121 and monthly adjustment factor for July is 0.913, the Annual Average Daily Traffic (in veh/day, round off to the nearest integer) is _______.
Ques 32 GATE 2020 SET-2
A soil has dry unit weight of 15.5 kN/m3, specific gravity of 2.65 and degree of saturation of 72%. Considering the unit weight of water as 10 kN/m3, the water content of the soil (in %, round off to two decimal places) is _______.
Ques 33 GATE 2020 SET-2
A one-dimensional consolidation test is carried out on a standard 19 mm thick clay sample. The oedometer's deflection gauge indicates a reading of 2.1 mm, just before removal of the load, without allowing any swelling. The void ratio is 0.62 at this stage. The initial void ratio (round off to two decimal places) of the standard specimen is _______.
Ques 34 GATE 2020 SET-2
Velocity distribution in a boundary layer is given by u / u∞ = sin((π/2)(y/δ)), where u is the velocity at vertical coordinate y, u∞ is the free stream velocity and δ is the boundary layer thickness. The values of u∞ and δ are 0.3 m/s and 1.0 m, respectively. The velocity gradient (∂u/∂y) (in s-1, round off to two decimal places) at y = 0, is _______.
Ques 35 GATE 2020 SET-2
Two identically sized primary settling tanks receive water for Type-I settling (discrete particles in dilute suspension) under laminar flow conditions. The Surface Overflow Rate (SOR) maintained in the two tanks are 30 m3/m2.d and 15 m3/m2.d. The lowest diameters of the particles, which shall be settled out completely under SORs of 30 m3/m2.d and 15 m2/m2.d are designated as d30 and d15, respectively. The ratio, d30 / d15 (round off to two decimal places), is _______.
Ques 36 GATE 2020 SET-2
An ordinary differential equation is given below.
Ques 37 GATE 2020 SET-2
A 4 × 4 matrix [P] is given below.
Ques 38 GATE 2020 SET-2
A prismatic linearly elastic bar of length L, cross-sectional area A, and made up of a material with Young's modulus E, is subjected to axial tensile force as shown in the figures. When the bar is subjected to axial tensile forces P1 and P2, the strain energies stored in the bar are U1 and U2, respectively.
Ques 39 GATE 2020 SET-2
The planar structure RST shown in the figure is roller-supported at S and pin-supported at R. Members RS and ST have uniform flexural rigidity (EI) and S is a rigid joint. Consider only bending deformation and neglect effects of self-weight and axial stiffening.
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