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1.The true azimuth of line ab is193 degrees 20'. the angle measured counterclockwise between line ab and another line ac is 205 degrees 10'.the true azimuth of line ac is?
2.Water flows in a circular pipe of diameter D at a depth y (< D). The pipe is laid on a constant slope of So and the Manning coefficient is n. At what depth does the maximum flow rate occur?
3.A closed rigid tank contains 2kg of saturated water vapor initially at temperature of 433K. Heat transfer occurs from the system and the pressure drops to 150kPa. Determine the amount of heat loss by the system.
The soil will be excavated from the borrow pit, moistened to increase the water content to 13.5% (assume i will not change the volume of solid mass) and then compacted to a final dry unit weight of 118 pcf.
Using a unit analysis, calculate the value of the K term in the rational method equation (Q = K C I A) in English and SI respectively.
At compressor exit, the specific entropy is the same as that at the inlet, and the pressure is 60 psia. Determine the R-134a exit temperature and the change in the enthalpy of R134a.
a 520 ft long equal tangent crest vertical curve connects tangents that intersect at station 340 00 and elevation 1325 ft the initial grade is if 4 and the final grade is 2.5.
How many cubic yards of aggregate must be ordered for a road base 16 inches thick and 2000 feet long with a top width of 30 ft, if the side slopes are one on one, or 45 degree?
The speed limit for a highway is given as "V" in mph. The highway super elevation is given as "e" in ft/ft. The friction between tires and wet pavement is given as "f".
An activated sludge system treats 1500 m3/day of raw wastewater with a BOD of 250 mg/L. The reactor volume is 375 m3. The kinetic parameters were determined to be: x = 3 day-1, Y = 0.55 kg SS/kg cells, and Ks = 150 mg/L.
The storage in a reach of river is 20,000 m^3 at a given time. Determine the storage 1 hr later if the average rates of in flow and out flow during the hour are 20 and 18 m^3/s, respectively
A water supply system is being designed to serve a population of 200,000 people with an average per-capita demand of 600L/Person-day (peak demand factor is 1.8) and a needed fire flow of 28,000 L/min.
A crest vertical curve and a horizontal curve on the same highway have the same design speed. The equal-tangent vertical curve connects a +3% initial grade with a +1% final grade and has a PVC at 101+78 and a PVT at 106+72
A line passes through the points (22 m, 19 m) and (-2 m,-5 m). determine the perpendicular distance d from the line to the origin O of the system of coordinates.
A projectile is fired up into the air at a speed of 161 m/s at an angle of 64° relative to the horizontal. Determine the maximum height the projectile will reach.
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