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# Test: Hydraulics & Fluid Mechanics - 5

## 25 Questions MCQ Test | Test: Hydraulics & Fluid Mechanics - 5

Description
This mock test of Test: Hydraulics & Fluid Mechanics - 5 for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 25 Multiple Choice Questions for Civil Engineering (CE) Test: Hydraulics & Fluid Mechanics - 5 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Hydraulics & Fluid Mechanics - 5 quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Test: Hydraulics & Fluid Mechanics - 5 exercise for a better result in the exam. You can find other Test: Hydraulics & Fluid Mechanics - 5 extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
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QUESTION: 2

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QUESTION: 3

### The loss of head at exit of a pipe is

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QUESTION: 4

The flow in a pipe is laminar, when Reynold number is less than 2000.

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QUESTION: 5

The power transmitted through the pipe is maximum when the head lost due to friction is equal to

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QUESTION: 6

Select the correct statement

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QUESTION: 7

The specific weight of sea water is __________ that of pure water.

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QUESTION: 8

If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, The body is said to be in __________ equilibrium.

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QUESTION: 9

The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called

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QUESTION: 10

The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to

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QUESTION: 11

A flow is called sub-sonic, if the Mach number is

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QUESTION: 12

The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.

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QUESTION: 13

Re-entrant or Borda's mouthpiece is an __________ mouthpiece.

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QUESTION: 14

The flow in a pipe is neither laminar nor turbulent when Reynold number is

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QUESTION: 15

The intensity of pressure on an immersed surface __________ with the increase in depth.

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QUESTION: 16

According to Pascal's law, the intensity of pressure at any point in a fluid at rest is the same in all directions.

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QUESTION: 17

The ratio of the inertia force to the surface tension force is called Weber's number.

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QUESTION: 18

For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called

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QUESTION: 19

The buoyancy depends upon the

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QUESTION: 20

In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

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QUESTION: 21

When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

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QUESTION: 22

The total energy line lies over the centre line of the pipe by an amount equal to

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QUESTION: 23

A piezometer tube is used only for measuring

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QUESTION: 24

The flow in a pipe is turbulent when Reynold number is

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QUESTION: 25

When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid

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