FLOW IN SOIL

The amount of water in soil is depending on the following factors except:

• climate

• precipitation

• saturation process

• how well the soil hold water

Which statement referring to cohesion force:

• Because of cohesion forces, water molecules are easily evaporate

• Because of cohesion forces, water molecules are attracted to one another

• Because of cohesion forces, water molecules are transported to another place

• Because of cohesion forces, water molecules are spreading with chemical

The following are other names of capillary action except:

• capillarity

• capillary motion

• capillary molecules

• combination of cohesion and adhesion forces

The other meaning of concave meniscus:

• horizontal alignment

• curved,u shaped surface

• vertical surface

• high rise water surface

Which one the correct statement:

• the wider the tube, the water will rise to a greater height

• the deeper the tube, the water will rise to a lower height

• the narrower the tube, the water will rise to a greater height.

• the thickest the tube, the water will rise to a lower height

Choose the correct statement:

• the highest the soil pores, the higher the capillary rise.

• the wider the soil pores, the higher the capillary rise.

• the smaller the soil pores, the higher the capillary rise.

• the biggest the soil pores, the higher the capillary rise.

The larger pore spacing between lager particles, such as sand, are called

• well pores

• nanopores

• macropores

• micropores

Which one the correct statement about shrinkage:

• Fully saturated in water content cause shrinkage.

• Half in water content cause shrinkage.

• Decrease in water content cause shrinkage.

• Increase in water content cause shrinkage.

What is Nf stand for?

• No of forex

• No of frequency

• No of flowline

• No of forces

Another name of dropline:

• Excessive line

• Element line

• Equipotential line

• Equal line