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HYDRAULICS AND GEOTECHNICAL ENGINEERING EXAM STUDY GUIDE
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HYDRAULICS AND GEOTECHNICAL ENGINEERINGEXAM STUDY GUIDE
Height due to Capillary Action
Formula of pressure in terms of density
or (gammaRT)
Gas Constant,R in (N•m/kg•K)
287.4 N•m/kg•K
Gas Constant,R in (m/K)
29.3 m/K
Specific Volume
ν = 1 /ρ
Surface Tension
p=4σ/d
Hydrostatic Pressure
Eccentricity of Hydrostatic Pressure
where ybar=hbar/sin(theta)
y bar
,Hydrostatic Pressure on Curved Surface
Centroid of Semi Circle
4R/3π
Moment of Inertia of Circle
Moment of Inertia of a Triangle
Moment of Inertia of Semi Circle
Weight in Liquid
Spacing of Hoops of a wood stave pipe
where sigma t is allowable tensile stress of hoop
, Slug to Kg
1 Slug = 14.594 Kg
Density of water in slug/cubic feet
1.94 slug/cubic feet
Atmospheric Pressure
101.325 atm (if not given)
also called barometric pressure
Liter to cubic meters
1000L=1m^3
Specific Gravity of Ocean Water
1.03
Factor of Safety against Overturning
Factor of Safety against sliding
Location of Ry (xbar)
Eccentricy (Dam)
if e<B/6 , Ry is in the middle third
if e>B/6 , Ry is outside the middle third
Foundation Pressure (e<or= B/6)
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