Dirt Cheap
What is the equation for the Plasticity Index?
PI = LL - PL (pg. 266)
What is the Archimedes Principle of Buoyancy?
1. The buoyant force exerted on a submerged or floating body is equal to the weight of the fluid displaced by the body (pg. 184).
What is the Modulus of Rigidity (G) for Steel?
11.5 Mpsi or 80 Gpa (pg. 138)
What is the traffic signal timing equation for a Red Light?
r = (W+l)/v (pg. 306)
What is the MACRS recovery rate after 3 years for a recovery period of 10 years?
14.40% (pg. 237)
What does the variable B represent in the Ultimate Bearing Capacity equation?
Width of strip footing (pg. 270).
What is the equation for the hydraulic radius in Noncircular Conduits?
Rh = cross-sectional area/wetted perimeter. (pg. 188)
What is the equation for thermal deformation?
Delta = aL(T-T0) (pg.131)
What is the adjustment to FFS for an average lane width of 10.5 feet?
6.6 mph (pg. 310)
13. Habitual intoxication or addiction to the use of drugs or alcohol. (pg. 10)
What is the equation for BOD Exertion?
BODt= (L0(1-e-kt)
What are the variables in the Pump Power Equation?
Q, h, nt, W (pg. 197)
What is the formula for max deflection of a cantilevered beam with constant loading?
Vmax= -wL4/8EI (pg 141)
What is the relationship between FLOW and DENSITY in Greenshield's Model?
A parabola (pg. 312)
What are the three Area formula's for earthwork?
Area by Coordinates, Trapezoidal Rule, and Simpsons 1/3 Rule. (pg. 316)
What is the sludge retention time for an aerobic digester at 20 degrees C?
40 Days (pg. 341)
What is the evapotranspiration rate (mm/day) for moderate grass?
2.5-5.0 mm/day (pg. 297)
What is the area, A, of a W18X71?
20.8 in2 (pg. 290)
What does the variable "G" stand for in the equation for Stopping Sight Distance (SSD)?
G = percent grade divided by 100 (pg. 306)
What is the P/F value for an interest rate of 1.00% after 10 years?
0.9053 (pg. 238)
What page of the FE Handbook is the table for AASHTO Soil Classification located?
Pg. 272
How many different weir formulas are there?
3 (Rectangular suppressed, Rectangular contracted, and V-notch) (pg. 303 )
What is the resistance factor for tension controlled sections of reinforced concrete?
phi = 0.9 (pg. 281)
What is the Load Equivalency Factor for a 6,000 lb Gross Axle Load?
0.01043 (pg. 314)
What is the first law of friction?
The total friction force F that can be developed is independent of the magnitude of the area of contact. (pg. 109).