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Air photos are taken with specified overlap to take advantage of image parallax. Calculate the time interval between air photo exposures if the ground speed of the aircraft is 160km/h, the focal lenght is 50mm, the format (this is the film dimension, not the dimension of the developed image) is 70mm, and the photographic scale is 1:500, and the forward overlap of successive images is 60%.
The dry density of a compacted sand is 1.87 Mg/m^3 and the density of the solids is 2.67 Mg/m^3. What is the water content of the material when saturated. Include a phase diagram.
The direct strain at an angle of 30o,to one of theprincipal axes was 1.34x10-3 and the corresponding shearstrain was 8.52x10-4. Calculate as many principal or maximum strains at the point
Consider the steady viscous flow through a small horizontal tube. for this type of flow, the pressure gradient along the tube should be a function of the dynamic viscosity, the mean velocity and the diameter of the tube. use dimensional analysis to d..
An unconfined, gravel-sand aquifer has a porosity of 0.23, and a hydraulic conductivity of 1000 m/day. Two monitoring wells are 260 m apart, and the difference in their water levels is 0.3 m.
A fluid flows into a plug flow reactor of volume, V, with volumetric flow rate, Q. Inflow contains species A and B and concentrations A0 and B0. Within reactor, species A undergoes first order reaction producing B... R=k[A].
A step-type escalator as shown is designed to transport 120 persons per minute at a constant speed v=1.5 ft/s. The overall efficiency of the escalator is estimated to be 70%, and a 200% overload is to be allowed. Assuming that the average weight per ..
Calculate the critical volume then estimate the green time interval for each phase of the intersection using the data provided below. Assume that the intersection will operate as a simple two phase cycle with a 90 second cycle length.
A spherical tank is being designed to hold 7 moles of methane gas at a pressure of 8 bar and a temperature of 50oF. Determine the volume of the spherical tank to be used.
Describe in your own words the three strengthening mechanisms i.e., grain size reduction, solid solution strengthening, and strain hardening. Be sure to explain how dislocations are involved in each of the strengthening techniques.
Saturated liquid water at 1000 kPa flows at 2 kg/s inside a 10 cm outer diameter steel pipe and outside of the pipe is a flow of hot gases at 1000 K with a convection coefficient of h = 150 W/m2 K
If the submarine operates at a depth of 75 meters (to the center of the side portals), what is the hydrostatic force on one of the side portals, in KPa?
A horizontal curve on a two-lane highway is designed with a degree of curvature of 7 degree and a 50mph design speed. The coefficient of side friction for the design speed is 0.14. Deflection angle is 90 degree.
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