Exam (elaborations)
HYDRAULICS AND GEOTECHNICAL ENGINEERING PRINCIPLES
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HYDRAULICS AND GEOTECHNICAL ENGINEERING PRINCIPLES...
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HYDRAULICS AND GEOTECHNICALENGINEERING PRINCIPLES
Porosity - ANSWER Ratio of volume of voids and volume of soil.
Degree of Saturation - ANSWER Ratio of volume of water and volume of
soil.
Void Ratio - ANSWER Ratio of volume of voids and volume of soil
solids.
0 < n < 100 - ANSWER True for porosity.
0 < e - ANSWER True for void ratio.
0 < S < 100 - ANSWER True for degree of saturation.
Mixture of sand, silt, and clay size particles in approximately equal
proportions - ANSWER Meaning of 'Loam'.
Darcy's Law - ANSWER Principle involved in the relationship between
submerged unit weight and saturated unit weight of a soil.
The unaggregated and uncemented deposits of minerals and organic
particles covering the earth's crust - ANSWER Definition of soil in civil
engineering.
Increase in pore water pressure but decrease in total stress - ANSWER
Effect of rise of water table above the ground surface.
Is inversely proportional to the angle of internal friction of the soil -
ANSWER Relationship of shear strength of a soil with the angle of
internal friction.
Increases voids ratio and decreases permeability. - ANSWER Effect of
effective stress on soil.
, Stress to strain - ANSWER Ratio for the coefficient of compressibility of
soil.
0 to 25 - ANSWER Range for a cohesive soil deposit to be considered
stiff.
90° - ANSWER Angle between two planes if shearing stress is zero on
them.
Partly with air and partly with water - ANSWER What fills voids for rapid
compression of soil.
Sand - ANSWER Type of soil that is cohesionless.
Consolidated undrained test - ANSWER Triaxial compression test with
drainage only in the first stage.
above center of gravity - ANSWER Location of metacenter for stable
equilibrium.
unstable equilibrium - ANSWER State of a floating body with the
metacenter lower than the center of gravity.
center of gravity of the floating body and the metacenter - ANSWER
Distance defining the metacentric height.
specific weight - ANSWER Weight per unit volume of a liquid at standard
temperature and pressure.
water hammer - ANSWER Term for pressure surge caused by sudden
momentum change in fluid flow.
viscosity - ANSWER Fluid property measuring resistance to shear
stress.
1/4 - ANSWER Approximate location of vena contrata downstream from
an orifice.
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