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Steam enters an adiabatic nozzle at 3.5Mpa and 300C with a low velocity and leaves at 1.6Mpa and 250C at a rate of 0.4kg/s. If the surrounding is 10 at 100Kpa and 18C, find A) The exit velocity B)The 2Nd law efficiency
The network voltage is 27 kV. The generator operates with an induced voltage, which is twice the rated line-to-neutral voltage. Calculate the power angle if the network receives an inductive reactive power of 50 MVA.
A typical "deep-cycle" battery (used for electric trolling motors for fishing boats) is capable of delivering 12.6 V and 10 A for a period of 10 hours. How much charge (in columbs) flows through the battery in this interval. How much energy does t..
Consider a discrete time system whose output y[n] is given by y[n] = 5/6y[n - 1] - 1/6y[n - 2] with y[-1] = 0 and y[-2] = 1. Determine the response y[n] of this system for all n using complex domain (not time domain) analysis techniques involving ..
A 100-watt motor (60% efficient) is used to raise a 100-kilogram load 5 meters into the air. If the task takes 65 seconds to complete, how heavy was the load in units of kilograms
Consider two Functions F = E(1,2,3,5,7,9) and G = E(0,5,7,8,9,11,13,15) a) Use K-maps to minimize the function Fb) Use K-maps to minimize the function G c) How many total terms and literals are present in the two equations
The transfer function of a system is formulated as H(f)=2f^2+i3f+2. Calculate the output signal for the input signal below which was applied to this system Vin(t)= 5+2cos(20(pi)t+30degrees)+sin(10(pi)t)
Concider an ac circuit source with an rms amplitude Irms connected to a parallel RLC circuit with resistance R, inductance L, and capacitance C. Derive an expression for the time-average power dissipated by the circuit
We use the time constant to characterize transients in electric circuits. In physics, the half-life is often used to characterize the exponential decay of physical quantities such as radioactive substances.
A 6-bit DAC has an input 1001012 and uses a 10.0-V reference.
How many years/days/hours can a 12V car battery supply a 250A to a starter motor if the battery has 2TJ of chemical energy that can be converted to electric energy
A circular disk having a radius of 4 ft and weighing 40lb has a small weight of 20lb attached to it at a distance of 2ft from its center. If the disk is in the vertical plane and set in rotation about an axis through
Consider the function f which has four inputs a,b,c,d and one output such that the output is a 1 if and only if the number of 1s in the inputs is even. (a) Write the canonical product-of-sums expression for f. Do not use the shorthand notation
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