**Inside pressure in a hollow soap bubble in the air is: (where d is the diameter of the bubble)**

**A.**

**B.**

**C.**

**D.**

Options are :

- B
- A
- C
- D

**Answer :**D

Concrete Technology MCQ Practice Questions (Civil Eng) Set 2

**In a circular pipe of length L and diameter d, a viscous liquid is flowing with a velocity v. The loss in head, is:**

**A.**

**B.**

**C.**

**D.**

**E.**

None of these

Options are :

- C
- D
- B
- E
- A

**Answer :**A

**Maximum efficiency of transmission of power through a pipe, is:**

Options are :

- 33.3%
- 50%
- 25%
- 66.67%

**Answer :**66.67%

**The time required to close a valve gradually is (where L is the length of pipe and C = velocity of pressure wave)**

**A.**

**B.**

?

**C.**

>

**D.**

<

Options are :

- A
- B
- D
- C

**Answer :**C

Irrigation MCQ Practice Questions (Civil Engineering) Set 5

**A piezometer opening in pipes measures:**

Options are :

- Velocity head
- Negative static pressure
- Total pressure
- Static pressure

**Answer :**Static pressure

**If the volume of a liquid weighing 3000 kg is 4 cubic metres, 0.75 is its:**

Options are :

- None of these
- Specific gravity
- Specific mass
- Specific weight

**Answer :**Specific gravity

**Pick up the correct statement regarding Borda's mouth piece running full from the following:**

Options are :

- Coefficient of contraction is 1
- Theoretical velocity at the outlet is ?2gH
- Actual velocity at the out let is ?gH
- Coefficient of velocity is 1/?2
- All the above

**Answer :**All the above

Hydraulics MCQ Practice Questions (Civil Engineering) Set 10

**If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.1 kg/cm2, the pressure at a depth of 2.5 m, is:**

Options are :

- 2 metres of water
- 1 metre of water
- 3.5 metres of water
- 3 metres of water
- 4.0 metres of water

**Answer :**3 metres of water

**A
pipe of 0.1 m^(2) cross sectional area suddenly enlarges to 0.3 m^(2)
cross-sectional area. If the discharge of the pipe is 0.3 m^(3) /sec,
the head loss is:**

Options are :

- 1g m of water
- g/2 m of water
- ?g m of water
- 2/g m of water

**Answer :**2/g m of water

**Hydrostatic pressure on a dam depends upon its:**

Options are :

- Shape
- None of these
- Length
- Depth
- Material

**Answer :**Shape
Depth

Hydraulics MCQ Practice Questions (Civil Engineering) Set 6

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

Options are :

- All the above
- Area is horizontal
- Area is vertical
- Area is inclined

**Answer :**All the above

**Product of Renold number, Froud's number and Mach number is:**

**A.**

**B.**

**C.**

**D.**

Options are :

- A
- D
- C
- B

**Answer :**A

**The shear stress distribution in viscous fluid through a circular pipe is:**

Options are :

- None of these
- Maximum at the inside of surface
- Maximum at the centre
- Same throughout the section

**Answer :**Same throughout the section

Concrete Technology MCQ Practice Questions (Civil Eng) Set 1

**Reynold number is the ratio of initial force and:**

Options are :

- Viscosity
- Surface tension
- Elasticity
- Gravitational force

**Answer :**Viscosity

**Bernoulli's equation assumes that:**

Options are :

- Flow is along the stream line
- Fluid is homogeneous
- All the above
- Flow is steady
- Fluid is non-viscous

**Answer :**All the above

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

**A.**

For tranquil flow *h* > ?2*g* or *v* <

**B.**

For critical flow

**C.**

For torrential flow *h* >

**D.**

None of these

Options are :

- D
- B
- A
- C

**Answer :**B

Elements of Remote Sensing MCQ Practice Questions (Civil) Set 3

**An ideal flow of a liquid obeys:**

Options are :

- Dynamic viscosity law
- Newton's law of viscosity
- Newton's second law of motion
- Continuity equation

**Answer :**Continuity equation

**Critical depth ( h) of a channel, is:**

**A.**

**B.**

**C.**

**D.**

Options are :

- B
- D
- A
- C

**Answer :**A

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

Options are :

- More than 12.2 m of the water
- Equal of 12.2 m of water
- None of these
- Less than 12.2 m of the water

**Answer :**More than 12.2 m of the water

Elements of Remote Sensing MCQ Practice Questions (Civil) Set 1

**Discharge Q over a rectangular weir of length L and height H, is given by the equation:**

**A.**

*Q* = 2/3 *Cd*?2*g* *LH*^(3/2)

**B.**

*Q* = 2/3 *CdL H*?2*gH*

**C.**

**D.**

All the above

Options are :

- C
- D
- A
- B

**Answer :**D

**The horizontal component of the force on a curved surface is equal to:**

Options are :

- Weight of liquid vertically below the curved surface
- Weight of liquid retained by the curved area
- Product of pressure at its centroid and the area
- Force on a vetical projection of the curved surface

**Answer :**Force on a vetical projection of the curved surface

**Unit of kinematic viscosity is:**

Options are :

- Newton sec/m^(3)
- Kg sec/m^(2)
- Newton sec/m^(2)
- m^(2)/sec

**Answer :**m^(2)/sec

Hydraulics MCQ Practice Questions (Civil Engineering) Set 8

**The Empirical formula **

Options are :

- Rehbook formula
- Bazin formula
- Francis formula
- Kutter's formula

**Answer :**Bazin formula

**The maximum vacuum created at the summit of a syphon is:**

Options are :

- 5.5 m of water
- 2.7 m of water
- 7.4 m of water
- None of these

**Answer :**7.4 m of water

**A pipe consisting of several pipes of varying diameters and lengths, may be replaced by an equivalent pipe of diameter D of length:**

**A.**

**B.**

**C.**

**D.**

Options are :

- A
- D
- B
- C

**Answer :**C

Irrigation MCQ Practice Questions (Civil Engineering) Set 3

**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:**

Options are :

- Critical discharge
- Water hammer
- Hydraulic jump
- None of these

**Answer :**Hydraulic jump

**A
cylinder 3 m in diameter and 4 m long retains water one side as shown
in the below figure. If the weight of the cylinder is 2000 kgf, the
horizontal reaction at B is:**

Options are :

- 18,000 kgf
- 10,000 kgf
- 15,000 kgf
- 20,000 kgf

**Answer :**18,000 kgf

**The diameter ( d) of a nozzle fixed at the end of a pipe (diameter D, length L) for maximum energy, is:**

**A.**

**B.**

**C.**

**D.**

Options are :

- B
- C
- D
- A

**Answer :**C

RCC Structures Design MCQ Practice Questions (Civil Eng) Set 4

**The momentum correction factor (?) for the viscous flow through a circular pipe is:**

Options are :

- 1.25
- 1.50
- 2.00
- 1.33
- 1.66

**Answer :**1.33

**The side slope of Cipolletti weir is generally kept:**

Options are :

- 1 to 2
- 1 : 5
- 1 to 4
- 1 to 3

**Answer :**1 to 4

- Irrigation MCQ Practice Questions (Civil Engineering) Set 3
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 5
- Theory of Structures MCQ Practice Questions (Civil Eng) Set 5
- Theory of Structures MCQ Practice Questions (Civil Eng) Set 6
- RCC Structures Design MCQ Practice Questions (Civil Eng) Set 2
- Theory of Structures MCQ Practice Questions (Civil Eng) Set 2
- Irrigation MCQ Practice Questions (Civil Engineering) Set 4
- RCC Structures Design MCQ Practice Questions (Civil Eng) Set 3
- Theory of Structures MCQ Practice Questions (Civil Eng) Set 4
- RCC Structures Design MCQ Practice Questions (Civil Eng) Set 4
- Hydraulics MCQ Practice Questions (Civil Engineering) Set 6
- Concrete Technology MCQ Practice Questions (Civil Eng) Set 6