**Euler's equation for motion of liquids, is given by:**

**A.**

**B.**

**C.**

**D.**

?*dp* + *gdz* + *vdv* = 0

Options are :

- B
- C
- A
- D

**Answer :**C

Irrigation MCQ Practice Questions (Civil Engineering) Set 1

**Pick up the incorrect statement from the following:**

Options are :

- In radial flow, fluid flows such that pressure and velocity at any point change with respect to its distance from the central axis
- In radial flow, flow may take place radially inward to or outward from the centre
- In radial flow, flow is one dimensional with stream lines parallel
- In radial flow, velocity of flow is in a radial direction

**Answer :**In radial flow, flow is one dimensional with stream lines parallel

Hydraulics MCQ Practice Questions (Civil Engineering) Set 4

**The most efficient channel section, is:**

Options are :

- Triangular
- Half hexagon in the form of trapezoid
- Semi-circular
- Rectangular

**Answer :**Half hexagon in the form of trapezoid

**A nozzle is fitted at the end of a pipe whose length is 320 m and diameter is 10 cm. If the value of f = 0.01, the diameter of the nozzle for the maximum transmission of power through the nozzle is:**

Options are :

- 2.6 cm
- 2.5 cm
- 2.4 cm
- 2.7 cm

**Answer :**2.5 cm

**Pick up the correct statement from the following:**

Options are :

- In uniform flow, the velocity of a fluid does not change with respect to length of flow direction
- In incompressible flow the density of a fluid remains constant
- All the above
- In compressible flow, the density of a fluid changes from point to point

**Answer :**All the above

Concrete Technology MCQ Practice Questions (Civil Eng) Set 2

**Frictional loss of head includes the loss of energy due to:**

Options are :

- Both A and B
- Turbulence
- None of these
- Viscosity

**Answer :**None of these

**To measure very low pressure, we use:**

Options are :

- Barometers
- Manometers
- Differential manometers
- Piezometers

**Answer :**Manometers

**A triangular notch is preferred to a rectangular notch because:**

Options are :

- All the above
- It gives more accurate results for low discharge
- Only one reading is required
- It measures a wide range of flows accurately
- Its formula is simple to remember

**Answer :**All the above

Concrete Technology MCQ Practice Questions (Civil Eng) Set 7

**Pick up the correct statement regarding convergent divergent mouth piece from the following:**

Options are :

- All the above
- It converges upto Venacontracta and then diverges
- In this mouth piece there is no loss of energy due to sudden enlargement
- The coefficient of discharge is unity

**Answer :**All the above

**Equation of continuity of fluids is applicable only if:**

Options are :

- Flow is compressive
- Flow is steady
- Velocity is uniform over the cross-sections
- All the above
- Flow is one dimensional

**Answer :**All the above

**The discharge through an internal mouth piece is more if its length is:**

**A.**

<

diameter**B.**

< diameter

**C.**

? diameter

**D.**

None of these

Options are :

- D
- B
- C
- A

**Answer :**C

Concrete Technology MCQ Practice Questions (Civil Eng) Set 7

**Water
flows through a convergent mouthpiece of diameter 4 cm at convergence
under a head of 3 metres. If the maximum vacuum pressure is 9 metres of
water, the maximum diameter of divergence, to aviod separation of flow,
is:**

Options are :

- 6 cm
- ?2 cm
- 4 cm
- 2?3 cm

**Answer :**?2 cm

**A
spherical load 900 kg is rolled through 9.8 m across the deck of a ship
weighing 10, 000 kg. If the metacentric height of the ship is 5 metres,
the angle of heel, is:**

Options are :

- 10° 20'
- 10° 5'
- 10° 10'
- 10° 15'

**Answer :**10° 15'

**One metric slug is equal to:**

Options are :

- 9.81 kg wt
- 1 kg wt
- 9.81 kg mass
- 0.98 kg wt

**Answer :**9.81 kg mass

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

**The value of kinetic energy correction factor ( a) for a laminar flow through a circular pipe, is:**

Options are :

- 1.0
- 2.5
- 0.5
- 2.0
- 1.5

**Answer :**2.0

**Discharge through a totally submerged orifice, is directly proportional to:**

Options are :

- None of these
- Reciprocal of the area of the opening
- Square root of the opening
- Square root of the difference in elevation of water surface
- Difference in elevation of water surfaces

**Answer :**Square root of the difference in elevation of water surface

**The ratio of the maximum height to which a jet inclined through ? rises to its total horizontal span is:**

**A.**

sin ?

**B.**

cos ?

**C.**

tan ?

**D.**

cot ?

Options are :

- D
- A
- B
- C

**Answer :**C

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

**Falling drops of water become spheres due to:**

Options are :

- Viscosity
- Surface tension
- Cohesion
- Adhesion

**Answer :**Surface tension

**If H is height of the liquid above the sill, the effect of end contractions, according to Francis formula, is:**

Options are :

- 0.5 H
- 0.2 H
- 0.1 H
- 0.3 H
- 0.4 H

**Answer :**0.1 H

**The
line joining the points to which the liquid rises in vertical
piezometer tubes fitted at different cross-sections of a conduit, is
known as:**

Options are :

- Pressure grade line
- Piezometric line
- Hydraulic grade line
- Hydraulic gradient
- All the above

**Answer :**All the above

Concrete Technology MCQ Practice Questions (Civil Eng) Set 3

**The shape of fire hose nozzle is generally kept:**

Options are :

- Cylindrical
- Convergent divergent
- Divergent
- Convergent

**Answer :**Convergent

**Pick up the correct statement from the following:**

Options are :

- For maximum velocity of flow, the depth of water in the circular channel must be 0.81 times the diameter of the channel
- All the above
- For maximum discharge the depth of flow must be 0.95 times the diameter of circular channel
- For maximum velocity, the hydraulic mean depth must be 0.3 times the diameter of circular channel

**Answer :**All the above

**A load w is rolled a distance d across the deck of a ship of weight W, due to which the ship heels through ?°. The metacentric height of the ship, is:**

**A.**

**B.**

**C.**

**D.**

Options are :

- C
- D
- B
- A

**Answer :**C

Hydraulics MCQ Practice Questions (Civil Engineering) Set 2

**The length of hydraulic jump is roughly:**

Options are :

- 5 to 7 times its height
- 2 to 3 times its height
- None of these
- 3 to 5 times its height

**Answer :**5 to 7 times its height

**For uniform flow in canals:**

Options are :

- There is a balance between the frictional loss and drop in elevation of the channel
- All the above
- Bed of channel represents the hydraulic gradient
- Bed and free water surfaces of a channel are parallel to each other

**Answer :**All the above

**With a clinging nappe of a weir, the excess discharge, is:**

Options are :

- 8% to 10%
- 6% to 7%
- 30% to 40%
- 25% to 30%
- 18% to 20%

**Answer :**25% to 30%

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 7

**If H is the difference of liquid levels on two sides of an orifice (width b, depth d), the discharge through the orifice will be:**

Options are :

- Cdbd^(2)?2gH
- Cdbd.2g H^(1/2)
- Cdbd?2gh
- Cdb^(2)d?2gH

**Answer :**Cdbd?2gh

**For solving the problems is hydraulic engineering, the velocity used is:**

Options are :

- None of these
- Mean of the velocities at the centre and that along the pipe surface
- Velocity at the centre of pipe section
- Average velocity of flow over a section

**Answer :**Average velocity of flow over a section

**The metacentric height of a body equals the distance between:**

Options are :

- The centre of buoyancy and metacentre
- None of these
- The metacentre and centre of gravity
- The centre of gravity and centre of buoyancy

**Answer :**The metacentre and centre of gravity

**For steady flow in open channels, which one of the following does not change:**

Options are :

- Velocity of flow
- Rate of flow
- Depth of flow
- All of these

**Answer :**All of these

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