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Exhaust (assumed to have the properties of standard air) leaves the 4-ft-diameter chimney shown in Fig. with a velocity of 6 ft/s. Because of the wind, after a few diameters downstream the exhaust flows in a horizontal direction with the speed of the wind, 15 ft/s. Determine the horizontal component of the force that the blowing wind puts on the exhaust gases.
liquid sodium leaves a nuclear reactor at 80 degrees celsius and is used as the energy source in a steam power plant.
Determine the forces in members DE, DJ, and IJ using the method of sections. I have 5 upper horizontal members; AB, BC, CD, DE, and EF all 3ft apart. A total of 15ft. A pin is at member EF at F. FK is the vertical member connected to a roller at K. M..
For a control volume enclosing the nozzle only, determine the heat transfer, in kJ, and the change in specific entropy, in kJ/K, each per kg of carbon monoxide flowing through the nozzle. What additional information would be required to evaluate ..
Design a suitable phase-lead controller. You should explain in detail how your design has been developed. Your solution should include Bode plots constructed both manually and using an appropriate package such as MATLAB or Scilab.
A tank of volume V. is filled initially with air at atmospheric density pa,. Beginning at t = 0, a pump delivers to the tank a mixture of air and water.
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
An engineer determines that a 40 cm long rod of 1020 grade steel will be subjected to a tension of 20 kN.
a vertical wall is at a temperature of 100c. it is situated in a 20c room. if the height of the square wall is 10cm and
the initial temperature is t 162 c air expands as an ideal gas from 10 bar and the above temperature to 1 bar in an
for the spring-mass-pulley system of figure 5-37 the moment of inertia of the pulley about the axis of rotation is j
a completely reversible refrigeration cycle removes heat at a rate of 100kw from an industrial refrigerator maintained
Consider a mass M is a distance L above the ground at constant temperature, TR. The mass is released, falls, and hits the ground. The kinetic energy just before it hits is converted to thermal energy due to the collision and is transferred to the gro..
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