**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 **

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.**

**B.**

**C.**

**D.**

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 **

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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