GH-RISKS Trivia 6

With respect to liquefaction, the ratio between the shear stress increment and the initial effective stress in termed as

• Cyclic strength ratio

• Cyclic stress ratio

• Cyclic stress reduction

• Cyclic strength reduction

Which of the following topic was not covering in the last session?

• Liquefaction of soil on Leda Clay soil deposits at Orleans site Ottawa 

• Geotechnical risks in construction of highway 

• Groundwater contamination by landfill: Problems and solutions 

• Tailings management at the earth surface: problems and solutions 

Which of the following is not a technique for acid mine drainage control?

• Groundwater mixing

• Water covers

• Alkaline recharge trenches

• Oxygen barriers

In what way do weather and climate variabilities affect permafrosts?

• Frozen soil expansion

• Ice flakes expansion

• Freeze and thaw frequency

• Dilation of frozen soil

Which of the following relationships is correct

• Risk = Hazard x Vulnerability x Amount

• Hazard= Risk x Vulnerability x Amount

• Vulnerability = Hazard x Risk x Amount

• Hazard = (Risk x Vulnerability)/Amount

The major damaging effect from frozen soils arises from

• Liquefaction

• Dissolution

• Evaporation

• Thawing

Which of the following is not a geotehnical hazard?

• Landslides

• Rockfill

• Sinkholes

• Volcanoes

AMD stands for

• Acid mine disaster

• Acid mine drainage

• Acute mine disaster

• Acute mine drainage

What is the unit hazard?

• Risk

• Vulnerability

• US dollar

• Does hazard have a unit?

Tailings are waste product from

• Puppies and kittens

• Mining

• Landfills

• Landslide