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Aerial photography is to be taken of a tract of land that is X mi square. Flying height will be H ft above average terrain, and the camera has focal length f. If the focal plane opening is 9× 9 in., and minimum sidelap is 30%, how many flight lines will be needed to cover the tract for the data given in Problems?
X = 30; H = 10,000; f = 6 in .
a a pool of tetrachloroethylene pce has formed above a vertical fracture of circular cross section having an average
State the assumptions of Rankine's theory as used in foundation
Argon gas enters a constant cross-sectional-area duct at Ma1= 0.2, P1= 320 kPa, and T1 =400 K at a rate of 0.8 kg/s.
The specific heat capacity Cp of the process fluid is not known at the mean bulk fluid temperature but is a linear function of temperature, and must be calculated using the following information, Cp at 300K is 1.98 kJ/kgK, and Cp at 400K is 2.65 kJ/k..
a job requires excavating and hauling 500 cyds (in situ) of sandy soil. in your posession is an excavator and a dump truck (capacity 30 cyds loose) the dump truck has a round trip travel time of 5 mins and 45 secs to the dump site and back.
Knowing the submerged depth of each of the 5 pressure taps and the density of water, determine the calculated pressure at each of the 5 pressure taps.
friction on the concrete surface creates a couple moment of 100 Mm on the blades of the trowel. Determines the magnitude of the resultant couple forces so that the resultant couple on the trowel is zero
Water are mixed with 150g of another fluid (density = 790 kg/m3 ). What is the specific volume of the mixture, assuming that the volumes are additive and the mixture is homogeneous?
Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?
The forceFacts on the gripper of the robot arm. The moments ofFabout pointsAandBare 210 N m and 90 N · m, respectively-both counter clockwise. Determine Fand the angle?.
Compare the size of a CMFR (completly mixed flow reactor) and PFR (plug flow reactor) to achieve 50 percent removal of a contaminant, given a flow rate of 10^4 m^3/d and a first-order rate constant of -0.4/hr. Repeat for 99 percent removal.
Consider a system that consists of 4 devices. The probabilities of failure for each of the devices are, respectively: 10%, 25%, 20%, and 30%. (a) If these components were in series, what is the probability that the system operates
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