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GATE CE 2022 Toppers Quiz 15

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Question 1

A cylinder of radius 250 mm and weight,

is rolled up an obstacle of height 50 mm by applying a horizontal force P at its centre as shown in the figure.

All interfaces are assumed frictionless. The minimum value of P is

Question 2

A water treatment plant has a flow rate 0.7 m³/s. The setting basin at the plant has effective settling volume dimensions of length 19 m, depth 3.5 m and width 5 m. What percentage of the particles having a settling velocity of 0.006 m/sec is removed?

Question 3Multiple Correct Options

Which of the following statement is/are correct regarding the requirement of pumps?

Question 4

A sample of water has been analyzed for common ions and results are presented in the form of a bar diagram as shown.

The non-carbonate hardness (expressed in mg/L as

of the sample is

Question 5

A circular precast concrete pile is constructed in a cohesive soil whose ultimate load carrying capacity was found to be 1500 kN, c and a are 50 kN/m2 and 0.7 respectively. If the length of the pile is 24 m then the diameter in mm is

Question 6

A 4-hr UH is used to derive an S-hydrograph. The coordinates of 4-hr UH are given below

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The equilibrium discharge (in m³/s) and its time of occurrence (in hour) for the derived S-hydrograph are

Question 7

Lacey's scour depth for a stream carrying a discharge of 3 cumecs metre width and having a silt factor of 1.2 is ________m.

Question 8

The total and effective stress (in kN/m²) at a depth of 8 m below the water surface level in a swimming pool are respectively given as

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ESE & GATE CE General

Dec 26ESE & GATE CE