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Test: Hydraulics & Fluid Mechanics - 4 - Civil Engineering (CE) MCQ


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25 Questions MCQ Test Additional Documents & Tests for Civil Engineering (CE) - Test: Hydraulics & Fluid Mechanics - 4

Test: Hydraulics & Fluid Mechanics - 4 for Civil Engineering (CE) 2024 is part of Additional Documents & Tests for Civil Engineering (CE) preparation. The Test: Hydraulics & Fluid Mechanics - 4 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Hydraulics & Fluid Mechanics - 4 MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Hydraulics & Fluid Mechanics - 4 below.
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Test: Hydraulics & Fluid Mechanics - 4 - Question 1

The velocity at which the laminar flow stops, is known as

Test: Hydraulics & Fluid Mechanics - 4 - Question 2

When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

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Test: Hydraulics & Fluid Mechanics - 4 - Question 3

The Newton's law of resistance is based on the assumption that the

Test: Hydraulics & Fluid Mechanics - 4 - Question 4

A weir is usually made of masonry or concrete.

Test: Hydraulics & Fluid Mechanics - 4 - Question 5

The Euler's equation for the motion of liquids is based upon the assumption that

Test: Hydraulics & Fluid Mechanics - 4 - Question 6

The velocity at which the laminar flow stops, is known as

Test: Hydraulics & Fluid Mechanics - 4 - Question 7

When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Test: Hydraulics & Fluid Mechanics - 4 - Question 8

The Newton's law of resistance is based on the assumption that the

Test: Hydraulics & Fluid Mechanics - 4 - Question 9

The Euler's equation for the motion of liquids is based upon the assumption that

Test: Hydraulics & Fluid Mechanics - 4 - Question 10

A weir is usually made of masonry or concrete.

Test: Hydraulics & Fluid Mechanics - 4 - Question 11

If a body floating in a liquid does not return back to its original position, and heels farther "away when given a small angular displacement, the body is said to be in neutral equilibrium.

Test: Hydraulics & Fluid Mechanics - 4 - Question 12

The length of the divergent cone in a venturimeter is __________ that of the convergent cone.

Test: Hydraulics & Fluid Mechanics - 4 - Question 13

A flow through a long pipe at constant rate is called

Test: Hydraulics & Fluid Mechanics - 4 - Question 14

The volume per unit mass of a liquid is called specific volume.

Test: Hydraulics & Fluid Mechanics - 4 - Question 15

In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.

Test: Hydraulics & Fluid Mechanics - 4 - Question 16

In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

Test: Hydraulics & Fluid Mechanics - 4 - Question 17

Viscous force is the __________ of shear stress due to viscosity and cross-sectionar area of flow.

Test: Hydraulics & Fluid Mechanics - 4 - Question 18

The density of air is same at different heights.

Test: Hydraulics & Fluid Mechanics - 4 - Question 19

A body floating in a liquid is said to be in a stable equilibrium, if its metacentre coincides with its centre of gravity.

Detailed Solution for Test: Hydraulics & Fluid Mechanics - 4 - Question 19

For a floating body

Metacentre above centre of gravity→ Stable Equilibrium

Metacentre coincides centre of gravity→ Neutral Equilibrium

Metacentre below centre of gravity→ Unstable Equilibrium

For a submerged body

Centre of buoyancy above centre of gravity→ Stable Equilibrium

Centre of buoyancy coincides centre of gravity→ Neutral Equilibrium

Centre of buoyancy below centre of gravity→ Unstable Equilibrium

Test: Hydraulics & Fluid Mechanics - 4 - Question 20

The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

Test: Hydraulics & Fluid Mechanics - 4 - Question 21

The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe)

Test: Hydraulics & Fluid Mechanics - 4 - Question 22

When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)

Test: Hydraulics & Fluid Mechanics - 4 - Question 23

A flow through an expanding tube at increasing rate is called unsteady non-uniform flow.

Test: Hydraulics & Fluid Mechanics - 4 - Question 24

Water is __________ liquid.

Test: Hydraulics & Fluid Mechanics - 4 - Question 25

With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will

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