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GATE CE 2022 Toppers Quiz 8

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Question 1

For the single V unsealed butt welded joint shown in the figure, the permissible load will be _________ kN.
[Assume safe stress in weld to be 143 N/mm²]

Question 2

The analysis of a water sample produces the following results:

The total hardness (in mg/L as CaCO₃) of the water sample is _____

Question 3

The cylinder and tube as shown in figure contains oil of specific gravity 0.85. For a gauge reading of 2.5 kg (f)/cm², the total weight (in kN) of the piston and the slab placed on it is

Question 4

For steady flow to a fully penetrating well in a confined aquifer, the drawdowns at radial distances of r₁ and r₂ from the well have been measured as s₁, and s₂ respectively, for a pumping rate of Q. The Transmissivity of the aquifer is equal to

Question 5

A student riding a bicycle on a 8 km one way street takes 50 minutes to reach home. The students stopped for 15 minutes. 65 vehicles overtook the student during the ride and 60 vehicles overtook the students while the student stopped. Assume the no. of vehicles overtaken by the student is zero. The speed of vehicles stream on the road (in km/hr) is ________.

Question 6

Determine the diameter (in m) required of a high rate trickling filter for the following data;

i) Sewage flow = 3MLD II) Recirculation ratio= 1.5

III) BOD of influent sewage = 187.5 mg/l IV) Effluent BOD =30 mg/l

Consider height of trickling filter as 1.5 meter.

Question 7

The velocity potential for a two-dimensional flow is given by Φ = x² –y² +3xy. The flow rate between the streamlines passing through points (1, 2) and (2, 3) is __________.

Question 8

A vertical wall 7m high retaining a horizontal sand backfill. Unit weight and poison ration are

and . The total thrust at rest on vertical wall is _______ kN/m?

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ESE & GATE CE General

Jun 27ESE & GATE CE