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Question: Air, at a pressure of 700 kPa and a temperature of 80°C, flows through a convergent- divergent nozzle. The inlet area is 0.005 m2 and the pressure on the exit plane is 40 kPa. If the mass flow rate through the nozzle is 1 kg/s, find, assuming onedimensional isentropic flow, the Mach number, temperature, and velocity of the air at the discharge plane.
The temperature, pressure, and velocity before a normal shock wave are 20-C, 100 kPa absolute, and 600 m=s, respectively. Determine the temperature, pressure, velocity, and Mach number after the shock wave.
a simple ideal brayton cycle with air as the working fluid has a pressure ratio of 11. the air then enters the
an egg can be approximated as a 5.5 cm diameter sphere with rho 1020 kgm3 cp 3.32 kjkgc. determine the heat transfer
Using Rent's Rule with C = 3.8 and m = 0.43, how many input/output terminals (pins) will be needed for each chip package?
An object, shown as the dark circle below, is moving along and emitting sound waves. The sound waves that were emitted by the object at times 1 second (one second ago), 2 seconds, and 3 seconds are shown below.
A pipe transporting water undergoes a sudden expansion. If the upstream pressure is 200 kPa and the mass ?ux is 40 kg=s, ?nd the pressure downstream, where a uniform ?ow can be assumed, and the head lost due to the expansion. Use the following dim..
A hollow steel cylinder is to be used as a torque-sensing device. The maximum torque that will be applied is 30 N-m. If the dimensions of the cylinder are L = 18 cm, ri = 2.6 cm, and r0 = 2.8 cm, calculate the maximum angular deflection that will b..
Hazen-Williams Formula- Find the Diameter of a Pipe, The length of cast-iron pipe is to be 4200 ft., and the head causing flow is to be 12.6ft. After the pipe has been in service 5 years, it is expected to discharge water at a rate equal to 3.2 cf..
A piston-cylinder assembly contains a two-phase liquid-vapor mixture of H2O at 160 lbf/in^2 with a quality of 70%. The mixture is heated and expands at constant pressure until a final temperature of 480oF is reached. Determine the work for the proces..
Air at standard temperature and pressure flows through a horizontal galvanized iron pipe at a rate of 4.0 ft3/s. The pressure drop must not exceed 0.75 psi per 100 ft of pipe (and naturally we want to design the most economic pipe). What diameter sho..
a titanium alloy with a modulus of elasticity of 16 x 106 psi is used to make a 1000 lb part for a manned space
Members AB and BC of the truss shown are made of the same alloy. It is known that a 20-mm-square bar of the same alloy was tested to failure and that an ultimate load of 120 kN was recorded. If a factor of safety of 3.2 is to be achieved for both ..
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