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Hydraulics Quiz

Total questions: 20

Worksheet time: 6mins

Name
Class
Date
1.

Laminar flow is possible only at

a)

High velocities

b)

Medium Velocities

c)

Low Velocities

d)

None of the Above

2.

Reynolds experiment was demonstrated by

a)

O.Reynold

b)

A.Reynold

c)

Prandtl

d)

Kutter

3.

Loss of pressure head in a laminar flow is proportional to

a)

Discharge

b)

Mean velocity

c)

Depth

d)

Width

4.

Coefficient of velocity is expressed in terms of

a)

Mean velocity

b)

Nominal stress

c)

Shear stress

d)

Discharge

5.

The difference between the maximum velocity and local velocity is called

a)

Velocity affect

b)

Velocity detect

c)

Velocity defect

d)

Velocity assent

6.

Kinetic energy correction factor value is

a)

1

b)

1.5

c)

2

d)

2.5

7.

Momentum correction factor is the ratio of

a)

4/3

b)

2/3

c)

2/5

d)

4/5

8.

Density of water is

a)

1 kg/m3

b)

1000 kg/m3

c)

100 kg/m3

d)

10000 kg)m3

9.

At low velocity the fluid moves in

a)

Inclined

b)

Deviate

c)

Layers

d)

None of these

10.

The ratio of maximum velocity to average velocity in case of circular pipe is

a)

0.5

b)

1

c)

1.5

d)

2

11.

Non uniform flow is also called

a)

Varied flow

b)

Unvaried flow

c)

Critical flow

d)

All of these

12.

If the depth of flow changes abruptly over a small length of channel,the flow is called

a)

GVF

b)

RVF

c)

FSI

d)

XRD

13.

If Froude number is less than 1,the flow is called

a)

GVF

b)

Streaming flow

c)

Shooting flow

d)

Critical flow

14.

Condition for maximum discharge in case of rectangular section

a)

d

b)

d/2

c)

d/3

d)

d/4

15.

Most economical section is also called as

a)

Quick section

b)

Settle section

c)

Best section

d)

None of these

16.

In case of open channel flow,the pressure is

a)

Varies linearly

b)

Varies cubically

c)

Atmospheric

d)

Hydraulic

17.

The flow in open channel is said to be laminar if Reynolds number is less than

a)

2000

b)

500

c)

1000

d)

3000

18.

Hydraulic mean depth is also called

a)

Hydraulic Diameter

b)

Hydraulic Radius

c)

Hydraulic Spherical

d)

None of these

19.

For trapezoidal channel,half of top width is

a)

One of the mean velocity

b)

One of the tipping side

c)

One of the sloping side

d)

Both of the sloping side

20.

The value of 'n' in case of trapezoidal channel is

a)

H/V

b)

V/H

c)

H×V

d)

H+V