Hydraulics MCQ Practice Questions (Civil Engineering) Set 1

Poise is the unit of:


Options are :

  • Kinematic viscous
  • Mass density
  • Velocity gradient
  • Viscosity

Answer :Viscosity

Hydraulics MCQ Practice Questions (Civil Engineering) Set 6

Pick up the correct statement from the following:


Options are :

  • Dimensional homogeneity means the dimensions of each term in an equation on both sides are equal
  • Dimensionally homogeneous equations are independent of the system of units
  • All the above
  • In dimensionally homogeneous equation, the powers of fundamental dimensions on either side of the equation are identical

Answer :All the above

For a most economical rectangular channel, the hydraulic mean depth, is equal to:


Options are :

  • One-third depth of flow
  • None of these
  • Half the depth of flow
  • The depth of flow

Answer :Half the depth of flow

An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to:


Options are :

  • 1.5%
  • 1.75%
  • 2.25%
  • 1.25%

Answer :1.5%

Concrete Technology MCQ Practice Questions (Civil Eng) Set 4

For a long pipe, the head loss:


Options are :

  • At the entrance and outlet both are ignored
  • At the outlet is ignored
  • At the entrance is ignored
  • Due to friction is ignored

Answer :At the entrance and outlet both are ignored

Water belongs to:


Options are :

  • None of these
  • Non-Newtonian fluids
  • Newtonian fluids
  • Compressible fluid

Answer :Newtonian fluids

Hydraulic coefficient of an orifice means the coefficient of:


Options are :

  • Contraction
  • Velocity
  • Resistance
  • All the above

Answer :All the above

Irrigation MCQ Practice Questions (Civil Engineering) Set 3

Capillary rise of water is:


Options are :

  • Inversely proportional to diameter of the tube
  • All of these
  • Inversely proportional to water density
  • Directly proportional to surface tension

Answer :All of these

The discharge through a V-notch weir varies as:


Options are :

  • ?H
  • H^(7/2)
  • 1/?H
  • H^(3/2)
  • H^(5/2)

Answer :H^(7/2)

The acceleration f required to accelerate a rectangular tank containing water horizontally so that the slope of its free surface is 45, is:


Options are :

  • 2.5 g
  • 3 g
  • g
  • 2 g
  • g/2

Answer :g

Concrete Technology MCQ Practice Questions (Civil Eng) Set 8

A water tank partially filled with water is being carried on a truck moving with a constant horizontal acceleration. The level of the water:


Options are :

  • Falls on the back side of the tank
  • Rises on the front side of the tank
  • None of these
  • Rises on the back side and falls on the front side
  • Remains the same at both sides of the tank

Answer :Rises on the back side and falls on the front side

If the Mach number for a fluid flow is less than 1, the flow is:


Options are :

  • Supersonic
  • None of these
  • Sonic
  • Sub-sonic

Answer :Sub-sonic

The dimensional formula of force is:


Options are :

  • M^(-1)L^(2)T^(-2)
  • M^(-1)LT^(2)
  • ML^(-2)T
  • MLT^(-2)
  • None of these

Answer :MLT^(-2)

Theory of Structures MCQ Practice Questions (Civil Eng) Set 4

The pressure variation along the radial direction for vortex flow along a horizontal plane is related by:


A.


B.


C.


D.


Options are :

  • B
  • A
  • C
  • D

Answer :B

If L, D and f are the length, diameter and coefficient of friction of a pipe, the ratio of the areas of the pipe A and nozzle a, to transmit maximum power, is:


A.


B.


C.


D.


Options are :

  • A
  • C
  • D
  • B

Answer :D

Chezy's constant

is suggested by:


Options are :

  • Powell
  • Bazin
  • Kutter
  • Manning

Answer :Bazin

Irrigation MCQ Practice Questions (Civil Engineering) Set 5

Hydraulic grade line:


Options are :

  • Remains above the centre line of conduit
  • May be above or below the centre line of conduit
  • Remains below the centre line of conduit
  • Remains parallel to the centre line of conduit

Answer :May be above or below the centre line of conduit

For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom:


Options are :

  • Inclined downward while moving downwards
  • Parallel to the horizontal surface
  • Parallel to the road surface
  • Inclined upward while moving upwards

Answer :Parallel to the horizontal surface

Hydraulic radius is equal to:


Options are :

  • Wetted perimeter divided by area
  • Square root of the area
  • Area divided by the square of wetted perimeter
  • Area divided by wetted perimeter

Answer :Area divided by wetted perimeter

Theory of Structures MCQ Practice Questions (Civil Eng) Set 2

Discharge with velocity of approach, over a rectangular weir is:


A.

Cd x L x ?2g [(H + ha)3/2 + ha3/2]


B.

Cd x L x ?2g [(H + ha)3/2 - ha3/2]


C.

Cd x L x ?2g [(H - ha)3/2 + ha3/2]


D.

Cd x L x ?2g [(H - ha)3/2 - ha3/2]


Options are :

  • B
  • A
  • D
  • C

Answer :B

In a venturimeter, the divergent cone is kept:


Options are :

  • Equal to covergent cone
  • None of these
  • Longer than convergent cone
  • Shorter than convergent cone

Answer :Longer than convergent cone

Orifice meter is used to measure:


Options are :

  • Discharge
  • Pressure at the point
  • Velocity
  • Average speed

Answer :Discharge

Construction Management MCQ Practice Questions (Civil Eng) Set 2

The flow is called rotational if its velocity normal to the plane of area is equal to:


Options are :

  • None of these
  • Thrice the angular velocity vector
  • Twice the angular velocity vector
  • Angular velocity vector

Answer :Twice the angular velocity vector

The ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called:


Options are :

  • Reynold number
  • Frode number
  • Weber number
  • Euler number

Answer :Reynold number

Pick up the correct statement from the following:


A.

The fluids which follow

are known as Newtonian fluids


B.

The fluids which do not follow the linear relationship between shear and rate of strain are known as non Newtonian fluids


C.

The substances which flow after yield strains, are known as plastics


D.

All the above


Options are :

  • D
  • C
  • A
  • B

Answer :D

Construction Management MCQ Practice Questions (Civil Eng) Set 2

Energy equation is usually applicable to:


Options are :

  • Laminar flow
  • Steady flow
  • Turbulent flow
  • Non-uniform flow

Answer :Steady flow

Total pressure on the top of a closed cylindrical vessesl completely filled with liquid, is directly proportional to:


Options are :

  • radius
  • (radius)^(3)
  • None of these
  • (radius)^(4)
  • (radius)^(2)

Answer :(radius)^(4)

To avoid the tendency of separation of liquid flow, the most suitable ratio of the diameters of the throat and the pipe, is:


Options are :

  • 1/2 to 3/4
  • None of these
  • 1/3 to 1/2
  • 1/4 to 1/8

Answer :1/3 to 1/2

Hydraulics MCQ Practice Questions (Civil Engineering) Set 3

For an irrotational flow, the equation

is given by:


Options are :

  • Cauchy-Riemann
  • Bernoulli
  • Laplaces
  • Reynold

Answer :Laplaces

In a fluid flow a particle may posses:


Options are :

  • Pressure energy
  • All the above
  • Kinetic energy
  • Initial energy
  • Elevation energy

Answer :All the above

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