#### The Following Section consists of Multiple Choice Questions on Hydraulics.

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Hydraulics MCQ

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- Question 1 of 20
##### 1. Question

1 points#### A pitot tube is used to measure

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The thickness of a sharp crested weir is kept less than

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The maximum vacuum created at the summit of a syphon is

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid, if

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### If the volume of a liquid weighing 3000 kg is 4 cubic metres, 0.75 is its

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### A syphon is used

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### The shear stress distribution in viscous fluid through a circular pipe is :

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### The side slope of Cipolletti weir is generally kept

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### The momentum correction factor (β) for the viscous flow through a circular pipe is

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### A piezometer opening in pipes measures

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### An independent mass of a fluid does not posses

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### A short tube mouthpiece will not run full at its outlet if the head under which the orifice works, is

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### Maximum efficiency of transmission of power through a pipe, is

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### An ideal flow of a liquid obeys

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### Reynold number is the ratio of initial force and

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### When a body is totally or partially immersed in a fluid, it is buoyed up by a force equal to

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### If the total head of the nozzle of a pipe is 37.5 m and discharge is 1 cumec, the power generated is

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### The phenomenon occuring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream causing a distinct rise of liquid surface, is

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The horizontal component of the force on a curved surface is equal to

CorrectIncorrect

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Hydraulics MCQ 2

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- Question 1 of 20
##### 1. Question

1 points#### The radius of gyration of the water line of a floating ship is 4 m and its metacentric height is 72.5 cm. The period of oscillation of the ship, is

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### Differential manometers are used to measure

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### Highest dam in India, is

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### Liquids

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### The ratio of the percentagge error in the discharge and percentage error in the measurement of head over a triangular notch, is

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### Non-over flow double curvature concrete arch, is provided in

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### For the most economical trapezoidal open channel,

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### Hydraulic ram is a device

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### Gauge pressure is

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### If jet of water coming out from a nozzle with a velocity 9.81 m/s, the angle of elevation being 30°, the time to reach the highest point is

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### If cohesion between the molecules of a fluid is more than adhesion between the fluid and glass, the free level of fluid in a dipped glass tube will be

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### The continuity equation

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### In pipe lines, a surge tank is provided

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### Total head of a liquid particle in motion is the sum of

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### The velocity distribution of viscous fluid through a circular/pipe is :

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### Flow in pipes is laminar if Reynold number is

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### In flow, the liquid particles may possess

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### Euler’s equation for the motion of liquids assumes that

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The height of water level in a tank above the centre of a circular hole 2.5 cm in diameter is 50 m. The velocity of water flowing through the hole, is

CorrectIncorrect

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Hydraulics MCQ 3

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- Question 1 of 20
##### 1. Question

1 points#### A steady uniform flow is through

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### Cavitation is caused by

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### Mach number is the ratio of inertia force to

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The main assumption of Bernoulli’s equation is :

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of the channels is made by comparing

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### The velocity of the fluid particle at the centre of the pipe section, is

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### Due to decrease of diameter of the droplet, inside pressure intensity

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### In order to avoid capillary correction, the minimum diameter of a manometer used for measuring pressure, should be

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### When water flows over a rectangular suppressed weir, the negative pressure created beneath the nappe

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### Barometres are used to measure

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### For most economical rectangular section of a channel, the depth is kept

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### In a centrifugual pump casing, the flow of water leaving the impeller, is

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### In fluids, steady flow occurs when

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### From a nozzle exposed to atmosphere, the liquid jet traverses

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### To avoid the force of surface tension in an inclined manometer, the minimum angle of inclination is

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### For the flow of liquid from an open ended tube (or nozzle) leading to the formation of spray of liquid drops, the number generally applied, is

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### To avoid vapourisation, pipe lines are laid over the ridge so that these are above the hydraulic gradient line, not more than

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### A jet projected at an angle of 45θ, 40 m from the foot of a vertical column, just reaches the top of the column. The height of the column is

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### Atmospheric pressure varies with

CorrectIncorrect

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Hydraulics MCQ 4

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- Question 1 of 20
##### 1. Question

1 points#### If velocities of fluid particles vary from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The rise of the liquid along the walls of a revolving cylinder above the initial level, is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### Fluids change the volume under external presssure due to

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### Discharge over an ogee weir remains the same as that of

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### When no air is left below the nappe and water stream adheres to the down stream face of the weir, it is known as

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### The best side slope for most economical trapezoidal section, is

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The following is not a laminar flow

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### Which one of the following statements is true ?

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### Uniform flow is said to occur when

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### Molecules of fluids get attracted due to

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### Cappoletti weir is a

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### On an inclined plane, centre of pressure is located

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### Atmospheric pressure is equal to water column head of

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### Shear stress is directly proportional to

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### To avoid an interruption in the flow of a syphon, an air vessel is provided

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### Pick up the correct statement from the following :

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### A fluid particle may possess the displacement of

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### Piezometers are used to measure

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### Most economical section of a triangular channel, is

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### In flowing liquids pitot tubes are used measure

CorrectIncorrect