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Your boss wants to know how much power is required to compress 15.0 kg/min of air (an ideal gas) in an insulated compressor from 0.100 MPa, 20.0°C to 1.50 MPa, in a steady state, steady flow process.
Write and solve a thermodynamics problem that provides her with the answer plus the final temperature of the air.
Two random variables have zero mean and variance of 16 and 36. Their correlation coefficient is 0.5. A). find the variance of the sum. B). find the variance of their difference C). Repeat (a) and (b) if the correlation coefficient is -0.5
Write four balanced equations for this system - Identify where any constitutive equations may be required for the modelling processes.
1) For a semiconductor E vs kx near the band edge Ec is given by E=Ec +(h2/16m0)*kx2 Determine the effective mass of electrons in the conduction band. Here m0 is the mass of a free electron. 2) E vs. kx for electrons near the valence band edge Ev can..
What are advantages and disadvantages of using digital circuits in lieu of analog circuits to measure different parameters in mechanical systems
it is found experimentally that electric field in certain region of earth's atmosphere is downward. at an altitude of 300m the field is 58N per C and at altitude of 200m it is 110N per C. Find the net amount of charge contained in a cube 100m on e..
Design a square wave oscillator using the op-amp that provides the output signal with amplitude of 4V to 6.5V and a frequency of 1kHz.
Find the components and the length of the vector u with initial point P(1, 1, -3) and terminal point Q(-2, -1, 4). Sketch u and determine the unit vector in the direction of u. Find the inverse by Gauss-Jordan (or state that it does not exist) of t..
Air flows over the top and bottom surfaces of the plate, and measurement of the heat transfer rate is 2000 W. What is the drag force on the plate?
Bennington Industrial Machines issued 146,000 zero coupon bonds seven years ago. The bonds originally had 30 years to maturity with a yield to maturity of 7.1 percent. Interest rates have recently increased, and the bonds now have a yield to maturity..
Tell me how you would test a transistor out of a circuit. What kind of tests can you do while the transistor is in a circuit with the power on?
What is the maximum output impedance that the student can achieve? Assume the transistors are identical.
In general, what must be true for two events be both statistically independent and mutually exclusive?
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