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Air enters a converging-diverging nozzle of a supersonic wind tunnel at 150 psia and 100°F with a low velocity. The flow area of the test section is equal to the exit area of the nozzle, which is 5 ft2. Calculate the pressure, temperature, velocity, and mass flow rate in the test section for a Mach number Ma= 2. Explain why the air must be very dry for this application.
Apply quantitative methods and computer software relevant to the engineering discipline, in order to solve engineering problems and Application of plastic analysis methods for the analysis of statically indeterminate beams and fames
Design a system to pump water 80 degrees C from a water heater to a washing system. Desired minimum flow rate is 750 Liter per min.
Analyse the structures and quantitative analysis techniques for buildings - Calculate the member forces of the truss given below with cross section methods.
assuming that the velocity variation within the main channel and the floodplain subsections is much smaller than the change in mean velocities between subsections, find the value of the kinetic energy correction coefficient.
A plate is pulled upward from a pool of liquid with velocity, V, entering a thin liquid film on the surface of the plate. The flow is assumed to be laminar and the film thickness
Using the modulus of elasticity as determined from the graph, calculate the center deflections of the wood for a load of 400 Ibs., and for the load at the last reading taken before rupture occurred. How do these compare with the observed deflecti..
A moist soil sample weighing 22.2 N has a moisture content of 20%. How man N of water must be added to the sample to increase the moisture content to 30%
What size of orifice is needed to produce a change in head of 9m for a discharge of 2 m^3/s of water in a 1-m diameter pipe.
The hydraulic conductivity of a coarse sand was measured in the laboratory permeameter and found to be 1.03x10^-2 cm/s at 25 degrees C. What is the intrinsic permeability
a wind tunnel is used to experimentally determine the lift force L and drag force D on a scale model of an aircraft. the bracket supporting the aircraft is fitted with an axial spring with stiffness k= 0.125 N/mm and a torsional spring with stiffn..
to achive a specific level of disinfection a water treatment plant operator determines the" Ct" value 180mg min/l is necessary with units for disinfectant concentration C in mg/l and disinfectant contact time t in minutes
A vane, 10 cm long and 8 cm in diameter, was pressed into soft clay at the bottom of a bore hole. Torque was applied and gradually increased 45 N-m when failure took place. Subsequently the vane rotated rapidly so as to completely remould the soil. T..
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