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A Circular plate having a diameter of 30mm is held perpendicular to an axisymmetric horizontal jet of air having a velocity of 40m/s and a diameter of 80mm as shown in the figure. A hole at the center of the plate results in a discharge jet of air having a velocity of 40m/s and a diameter of 20mm. Determine the horizontal component of force required to hold the plate stationary.
hot exhaust gases leaving an internal combustion engine at 400oc and 150 kpa at a rate of 0.8 kgs is to be used to
helium initially at 327 deg. c and 100 kpa is contained in a frictionless piston-cylinder. the system is slowly cooled
a piston-cylinder device containing air undergoes a polytropic compression process from 2 liters 300 kpa and 20 degc to
A gas turbine (can assume an ideal Brayton cycle) has a pressure ratio of 10. It is connected to an electric generator with an efficiency of 95% which produces 200MW of electricity. The gas turbine burns natural gas with a heating value of 100,000 bt..
Material Mechanics- Visous and Plastic. Please extrapolate examples of each and carefully explain how each form. Also, explain how they play roles in deformation. Lasted, explain the difference between ductile and plastic.
a dragster starts from rest and has an acceleration described by the graph. determine the time t for it to stop. also
The engine of the van produces a constant driving traction force F at the wheels as it ascends the slope at a constant velocity v, determine the magnitude of the acceleration of the van,in m/s^2 .when it passes point A and begins to travel on a level..
the pressure in the vein is known as 1850 Pa. what force must be applied to the plunger, so that 1.5 x 10^-6 m^3 of solution can be injected in 5.0 s?
it takes 15 seconds to raise a 1200 kg car and the supporting 300 kg hydraulic lift platform to a height of 2.8 m. the
introductiona trebuchet is weapon developed and used europe in the 12th century. it can also be known as a counter
Air at 40C flows over a 2m long flat plate with a free stream velocity of 7 m/s. Assume the width of the plate (into the paper) is 0.5m. If the plate is at constant temperature of 100C,
An ideal gas, with temperature independent Cp=(7/2)R, at 15c and having an initial volume of 60m^3, is heated at constant pressure (P=0.1013 MPa) to 30c by transfer of heat from a reservoir at 50c. Calculate delS(gas), delS(heat reservoir), delS(univ..
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