Environmental eng

There are two reactions under contamination transportation:

• hydrolisis and oxidation

• Abiotic and biotic

• chemical and biochemical

• chemical and nonchemical

It will occur as long as a concentration gradient exists, even if the fluid is not moving, and as a result, a contaminant may spread away from the place where it is introduced into a porous medium. This statement belong to which mechanicsms:

• Hydrolysis

• Dispersion

• Diffusion

• Advection

Cd belong to which contaminant:

• Creamer

• Cadmium

• Chrolofin

• Cloroxdental

What kind of software able to model solute:

• GIS

• Ctran/w

• geostudio

• 3d premier

Following are the main process involved for contamination transportation except:

• Hydrologic cycle

• photosynthesis

• groundwater flow

• aquifer

Symbol for mercury:

• Me

• Hg

• Mg

• Mc

How many phases of site investigation should be done:

• 4

• 5

• 6

• 7

Following are the symptoms by toxic gases except:

• vomit

• sore throat

• cough

• fever

How many contents should be in report of site investigation:

• 9

• 8

• 10

• 11

How many stages if SI?

• 6

• 3

• 5

• 4