1
GATE CE 2024 Set 2
MCQ (Single Correct Answer)
+1
-0.33

The following figure shows a plot between shear stress and velocity gradient for materials/fluids P, Q, R, S, and T.

GATE CE 2024 Set 2 Fluid Mechanics and Hydraulic Machines - Properties of Fluids Question 5 English

Which one of the following options is CORRECT?

A

P → Ideal Fluid; Q → Ideal Bingham plastic R → Non-Newtonian fluid; S → Newtonian fluid

B

P → Real solid; Q → Ideal Bingham plastic S → Newtonian fluid; T → Ideal Fluid

C

P → Ideal Fluid; Q → Ideal Bingham plastic R → Non-Newtonian fluid; T → Real solid

D

P → Real solid; Q → Newtonian fluid R → Ideal Bingham plastic; T → Ideal Fluid

2
GATE CE 2024 Set 2
Numerical
+1
-0.33

A 2 m wide rectangular channel is carrying a discharge of 30 m3/s at a bed slope of 1 in 300. Assuming the energy correction factor as 1.1 and acceleration due to gravity as 10 m/s2, the critical depth of flow (in meters) is __________ (rounded off to 2 decimal places).

Your input ____
3
GATE CE 2024 Set 2
MCQ (Single Correct Answer)
+2
-0.833

A round-bottom triangular lined canal is to be laid at a slope of 1 in 1500, to carry a discharge of 25 m3/s. The side slopes of the canal cross-section are to be kept at 1.25H : 1V. If Manning’s roughness coefficient is 0.013, the flow depth (in meters) will be in the range of

A

2.39 to 2.42

B

1.94 to 1.97

C

2.24 to 2.27

D

2.61 to 2.64

4
GATE CE 2024 Set 2
MCQ (Single Correct Answer)
+2
-0.833

A hypothetical multimedia filter, consisting of anthracite particles (specific gravity: 1.50), silica sand (specific gravity: 2.60), and ilmenite sand (specific gravity: 4.20), is to be designed for treating water/wastewater. After backwashing, the particles should settle forming three layers: coarse anthracite particles at the top of the bed, silica sand in the middle, and small ilmenite sand particles at the bottom of the bed.

Assume

(i) Slow discrete settling (Stoke’s law is applicable)

(ii) All particles are spherical

(iii) Diameter of silica sand particles is 0.20 mm

The CORRECT option fulfilling the diameter requirements for this filter media is

A

diameter of anthracite particles is slightly less than 0.35 mm and diameter of ilmenite particles is slightly greater than 0.141 mm.

B

diameter of anthracite particles is slightly greater than 0.35 mm and diameter of ilmenite particles is slightly less than 0.141 mm.

C

diameter of anthracite particles is slightly less than 0.64 mm and diameter of ilmenite particles is slightly less than 0.10 mm.

D

diameter of anthracite particles is slightly greater than 0.64 mm and diameter of ilmenite particles is slightly less than 0.10 mm.

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