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Air goes through an adiabatic nozzle. At the inlet, pressure is 15 bar, temperature 700 K, velocity 100 m/s, and cross-sectional area 0.1 m^2. At the exit, pressure is 1 bar and temperature is 330 K. Determine exit velocity and exit cross-sectional area. Air can be assumed as an ideal gas.
determine the specific volume of superheated nitrogen gas at an absolute pressure of 678 kpa and -134degc based on a
the reciprocating radial roller follower of a plate cam profile with 0.7 in offset is to rise 2 in with simple harmonic
consider a rocket engine that burns hydrogen and oxygen. the combustion chamber temperature and pressure are 3800 k and
1. steam is contained in a closed rigid container with a volume of 1 m3. initially the pressure and temperature of the
air at 100 o f and 14.7 psia has a dew point temperature of 70o f. determine the relative humidity and the humidity
a heat pump with refrigerant 134a is used maintain a house at 25 degc by absorbing heat from a geothermal water source
cylinder b has a velocity of 1.517 fts downward at t0 and a constant upward acceleration of 0.372 fts2. determine the
a thin-walled closed-end cylindrical pressure vessel with spherical end caps is internally pressurized to 500 psi. if
the cylinder is made from steel where yield stress= 240 MPa and v=0.3. Subsequently sketch the hoop and radial stresses in the wall of the cylinder.
a horizontal beam ab with cross-sectional dimensions b 0.75 in x h 8.0 in. is supported by an inclined strut cd and
At a section in a passage, the pressure is 150 kPa (abs), the temperature is 10 deg C, and the speed is 120 m/s. For isentropic flow of air, determine the Mach number at the point where the pressure is 50 kPa (abs). Sketch the passage shape.
a wellinsulated counterflow heat exehanger operates at steady state. in one stream liquid water enters at 10 degree
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