Free Printable SOIL MECHANICS TEST 1

1.

The Unit weight of water is

a)

1000 kN/ m3

b)

1 g/cm3

c)

9.81

g/cm3

d)

9810

kg/m3

2.

A Partially saturated soil is called _______ phase system

a)

1

b)

2

c)

3

d)

4

3.

Void ratio is denoted by ______

a)

G

b)

e

c)

n

d)

sr

4.

Porosity is expressed by ______

a)

e

b)

n

c)

G

d)

sr

5.

Density is ______

a)

weight /

volume

b)

mass /

volume

c)

density

/ volume

d)

wt

density / volume

6.

Specific gravity is ratio between wt of particle by wt of any

particle

a)

true

b)

false

7.

Colluvial soils are transported by ______

a)

water

b)

wind

c)

gravity

d)

ice

8.

What is soil?

a)

It is the loose material in which plants can grow in the upper layer of Earth.

b)

It is the leaf that grows on the plant.

c)

It is the food that can be found inside the seed.

9.

True or False: Soil takes very little time to form.

a)

True

b)

False

10.

What kind of soil is good for growing plants?

a)

topsoil

b)

sand

c)

clay

d)

a child's stinky shoe

11.

Decayed organic material in soil is called______.

a)

Litter

b)

Silt

c)

Humus

d)

Clay

12.

What is soil?

a)

A mixture of minerals

b)

A mixture of water, minerals, gases and organic matter

c)

A type of rock

d)

A type of bacteria

13.

What does weathering mean?

a)

To form or create new

b)

To build up

c)

To break down

d)

To completely destroy

14.

Which of the following best describes soil erosion?

a)

A. the breakdown of soil

b)

A. the improvement of soil

c)

A. the addition of soil

d)

A. the movement of soil by wind or water

15.

Soil is made of

a)

weathered rocks and minerals

b)

dead plants and animals

c)

air and water

d)

all of the above

16.

The breaking down of rocks into smaller pieces.

a)

erosion

b)

weathering

c)

sediment

d)

sand

17.

The movement of weathered rock and soil

a)

weathering

b)

erosion

c)

sand

d)

silt

18.

Are there minerals in soil?

a)

Yes

b)

No

19.

Let G be the specific gravity of soil solids,w the water content in the soil sample, $\gamma_w$ the unit weight of water, and $\gamma_d$ the dry unit weight of soil. The equation for the zero air voids line

a)

$\gamma_d$ = $\frac{G\gamma_w}{1+Gw}$

b)

$\gamma_d$ = $\frac{G\gamma_w}{Gw}$

c)

$\gamma_d$ = $\frac{Gw}{1+\gamma_w}$

d)

$\gamma_{w_{ }}$ = $\frac{gw}{1-\gamma_w}$

20.

water content of soil can be

a)

never be greater than 100%

b)

takes values from 0% to 100%

c)

be less than 0%

d)

be greater than 100%

21.

soil has a bulk unit weight of 22KN/, $m^3$ water content 10%. the dry density of soil is

(a)

22.

Select the correct statement

a)

Unit weight of dry soil is greater than unit weight of wet soil

b)

For dry soils, dry unit weight is less than total unit weight

c)

Unit weight of soil increases due to submergence in water

d)

Unit weight of soil decreases due to submergence in water

23.

if the $V_v$ is equal to $V_s$ in a soil mass then the values of void ratio and porosity are

a)

1.0 and 0.0

b)

0.0 and 1.0

c)

0.5 and 1.0

d)

1.0 and 0.5

24.

Soil formation begins with the weathering of_______.

a)

Humas

b)

Subsoil

c)

Litter

d)

Rock

25.

Who is the father of Geotechnical Engineering

a)

Christian Otto Mohr

b)

Clausius Cleyperon

c)

John Smith

d)

Karl Von Terzaghi

SOIL MECHANICS TEST 1

Total questions: 25

Worksheet time: 25mins

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