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A) A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which 1. normal shocks appear in the nozzle 2. Oblique shocks form at the exit 3. Expansion waves form at the exit 4. Calculate the mass flow rate through the nozzle for the case in which a normal shock appears at the plane. (B) Oxygen and carbon monoxide are mixed in the proportion 11 to 3 by mass. The oxygen is supplied at 7 bar and 40 C and the carbon monoxide is supplied at 1 bar and 15 C. The constituents are passed in steady flow through non-return valves to mix adiabatically at a pressure of 3 bar Calculate 1.the final pressure of the mixture 2. the partial pressure of each constituent of the mixture
Calculating Test Mach Number, The temperature in a reservoir of a supersonic tunnel is 519 deg.R. In the test section, the flow velocity is 1385 ft/s.
Determine the power generated by the motor M at this instant if it operates with an efficiency of epsilon = 0.8.
The cylinder of a water-cooled reciprocating compressor contains 0.05m^3 of air at 1.01bar. It is compressed isothermally to 8.0 bar. Determine the work input and the amount of heat rejected to the compressor cooling water.
a 2 kg block of wood rest on the table top. A 7g bullet is shot straight up through a hole inthe table beneath the block. the bullet lodge in the block and the flies 25 cm above the table top. how fast was the bullet going initial?
calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced.
Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.16 mm and that has a tip radius of curvature of 0.002 mm when a stress of 1..
Calculate these two sets of centerline and control limits. Once points are plotted, how will the results of these two charts differ?
Determine Compressor Size in Watts that is suitable to satisfy certain specific needs, The drinking water needs in a production facility with 20 employees is to be met by a water bubbler type water fountain.
Determine the rate of heat transfer to the mid-stage cold head and determine the rate of heat transfer to the cold head
Estimate the torque required at the base of a flag pole to hold it in place in a 30mph wind. Assume the flag pole is a vertical cylinder with D=10cm and L=10m, and assume the wind drag force is uniform along the pole.
Calculate the angular separation between the first order minima on either side of the central maxima when the slit has a width of 6x10-4 cm & light illuminating it has a wavelength of 6000A0?
An airplane was moving with a velocity equal to 300 mph when the velocity was increased with uniform acceleration to 600 mph in 5 min, calculate the number of miles the airplane traveled during that interval of time.
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