**The ratio of inertia force of a flowing fluid and the viscous force of the liquid is called:**

Options are :

- Euler's number
- Froude's number
- Weber's number
- Reynold's number

**Answer :**Reynold's number

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 1

**Flow of water in pipes of diameter more than 3 metres, can be measured by:**

Options are :

- Pitot tube
- Venturimeter
- Orifice plate
- Rotameter

**Answer :**Rotameter

**Specific weight of sea water is more than that of pure water because of:**

Options are :

- Dissolved salts
- Dissolved air
- All the above
- Suspended matter

**Answer :**All the above

**The upper surface of the weir over which water flows, is known as:**

Options are :

- Sill
- Vein
- None of these
- Nappe

**Answer :**Sill

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 2

**In flowing liquids pitot tubes are used measure:**

Options are :

- Pressure
- Depth
- Velocity
- Discharge

**Answer :**Velocity

**Specific energy of a flowing fluid per unit weight is:**

**A.**

**B.**

**C.**

**D.**

Options are :

- C
- A
- D
- B

**Answer :**C

**For solving network problems of pipes, necessary condition is:**

Options are :

- All the above
- Continuity equation
- Energy equation
- Darcy-Weisbach equation

**Answer :**All the above

Construction Management MCQ Practice Questions (Civil Eng) Set 3

**In two dimensional flow the components of velocity are given by u = ax; v = by. The stream lines will be:**

Options are :

- Parabolic
- Elliptical
- Circular
- Hyperbolic

**Answer :**Hyperbolic

**On
a flow net diagram, the distance between two consecutive steam lines at
two successive sections are 1 cm and 0.5 cm respectively. If the
velocity at the first section is 1 m/sec, the velocity at the second is:**

Options are :

- 2.5 m/sec
- 3 m/sec
- 0.5 m/sec
- 2.0 m/sec
- 1.0 m/sec

**Answer :**2.0 m/sec

**The instrument used for measuring the velocity of flow, is known as:**

Options are :

- None of these
- Venturimeter
- Orifice meter
- Pitot tube

**Answer :**Pitot tube

Concrete Technology MCQ Practice Questions (Civil Eng) Set 2

**The minimum specific energy of flow of water in open channel is: (where hc is the critical depth)**

**A.**

*hc*

**B.**

**C.**

**D.**

Options are :

- A
- B
- C
- D

**Answer :**C

**The discharge formula Q = Cd **?

Options are :

- Small and large orifices only
- Small orifices only
- Large orifices only
- For all types of orifices

**Answer :**Large orifices only

**An independent mass of a fluid does not posses:**

Options are :

- Kinetic energy
- None of these
- Pressure energy
- Elevation energy

**Answer :**Pressure energy

Theory of Structures MCQ Practice Questions (Civil Eng) Set 3

**Differential manometers are used to measure:**

Options are :

- Atmospheric pressure
- Very low pressure
- Difference in pressure at two points
- Pressure in water channels, pipes, etc

**Answer :**Difference in pressure at two points

**The property of steam function ? is:**

Options are :

- The flow around any path in the fluid is zero for continuous flow
- The velocity vector may be found by differentiating the stream function
- All the above
- The rate of change of ? with distance in an arbitrary direction, is proportional to the component of velocity normal to that direction
- ? is constant everwhere on any stream line

**Answer :**All the above

**The most familiar form of Bernoulli's equation, is:**

**A.**

**B.**

**C.**

= constant head

**D.**

None of these

Options are :

- A
- D
- B
- C

**Answer :**C

Hydraulics MCQ Practice Questions (Civil Engineering) Set 9

**When a body is totally or partially immersed in a fluid, it is buoyed up by a force equal to:**

Options are :

- Weight of the body
- Weight of the fluid displaced by the body
- Weight of the body and fluild displaced by the body
- None of these
- Difference of weights of the fluid displaced and that of the body

**Answer :**Weight of the fluid displaced by the body

**When two layers of a fluid separated by dy move over the other with a difference of velocity dv, causes a shearing stress **

Options are :

- All the above
- Dynamic viscosity
- Viscosity
- Coefficient of viscosity
- Absolute viscosity

**Answer :**All the above

**Most economical section of a circular channel for maximum discharge:**

Options are :

- Hydraulic mean depth = 0.286 diameter of circular section
- Depth of water = 0.95 diameter of circular section
- Wetted perimeter = 2.83 depth of water
- Wetted perimeter = 2.6 diameter of circular section
- All the above

**Answer :**All the above

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 1

*The
moment of inertia of a floating body along its longitudinal axis and
the volume of water displaced by it are I and V respectively*

**The height of the metacentre above centre of buoyancy of the body, is:**

**A.**

**B.**

**C.**

**D.**

**E.**

Options are :

- D
- A
- E
- B
- C

**Answer :**C

**While applying the Bernoulli's equation **

Options are :

- Is added on the right side of the equation
- Is ignored
- None of these
- Is added on the left side of the equation

**Answer :**Is added on the left side of the equation

**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:**

Options are :

- 2?
- ?/2
- 3?
- ?
- 4?

**Answer :**3?

Concrete Technology MCQ Practice Questions (Civil Eng) Set 2

**A tank 4m x 3m x 2m containing an oil of specific gravity 0.83 is moved with an acceleration g/2 m sec2. The ratio of the pressures at its bottom when it is moving vertically up and down, is:**

Options are :

- 3
- 1/3
- 2
- 1/2

**Answer :**3

**A pitot tube is used to measure:**

Options are :

- Difference in pressure
- Pressure
- None of these
- Velocity of flow

**Answer :**Velocity of flow

**If D is the diameter of a pipe of length L and f is the coefficient of friction of pipe then diameter of the nozzle d is:**

**A.**

**B.**

**C.**

**D.**

None of these

Options are :

- D
- B
- A
- C

**Answer :**A

Irrigation MCQ Practice Questions (Civil Engineering) Set 4

**A syphon is used:**

Options are :

- To fill up a tank with water at higher level from a lower level
- None of these
- To supply water to a town from higher level to lower level
- To connect water reservoirs at different levels intervened by a hill

**Answer :**To connect water reservoirs at different levels intervened by a hill

**The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is:**

Options are :

- 0.5
- 1.25
- 0.75
- 2.00

**Answer :**2.00

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

Options are :

- 400 H.P.
- 550 H.P.
- 450 H.P.
- 500 H.P.

**Answer :**500 H.P.

Hydraulics MCQ Practice Questions (Civil Engineering) Set 4

**Time of emptying liquid from a hemispherical vessel through an orifice at its bottom, is:**

**A.**

**B.**

**C.**

**D.**

Options are :

- C
- A
- B
- D

**Answer :**D

**The thickness of a sharp crested weir is kept less than:**

Options are :

- One-fourth of the height of water on the sill
- One-third of the height of water on the sill
- None of these
- Two-third of the height of water on the sill
- One-half of the height of water on the sill

**Answer :**One-half of the height of water on the sill

- Concrete Technology MCQ Practice Questions (Civil Eng) Set 7
- Theory of Structures MCQ Practice Questions (Civil Eng) Set 1
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 6
- RCC Structures Design MCQ Practice Questions (Civil Eng) Set 8
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 10
- Construction Management MCQ Practice Questions (Civil Eng) Set 2
- Irrigation MCQ Practice Questions (Civil Engineering) Set 4
- Irrigation MCQ Practice Questions (Civil Engineering) Set 1
- Theory of Structures MCQ Practice Questions (Civil Eng) Set 2
- Construction Management MCQ Practice Questions (Civil Eng) Set 3
- Concrete Technology MCQ Practice Questions (Civil Eng) Set 3
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 9