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a piston cylinder device initially contains steam at 3.5 MPa, superheated by 5 C. steam loses heat to the surrounding and the piston moves down hitting a set of stops at which point the cylinder contains saturated liquid water. the cooling continues until the cylinder contains water at 200 C(a)the initial temperature(b)the enthalpy change per unit mass of the steam by the time the pistion first hits the stops.
(c)the internal energy change of the waterneon is compressed from 100 kpa and 20C to 500 kpa in an isothermal compressor.(a)determine the change in the specific volume and specific enthalpy of neon caused by this compression
A. determine the mean, variance, and standard deviation B. find the three quartiles and the interquartile range C. Prepare a box plot for the data and determine if there are any outliers present.
A series circuit has a DC voltage source (56 volts), a resistor, (72 ohms), a capacitor (82 farads), and a switch. The capacitor is initially uncharged and the switch closes at t=0.
Find the Laplace transform of the following: (i) f(t)= 45e^(-5(t-6)) (j) f(t)=2 sin(t-6) (k) f(t)="4.8" e^(-5t) cos?(400t -36o) (l) f(t)=8 d2x/dt2 + 5 dx/dt where (dx(0))/dt = 8 and x(0) = -4
1) Calculate the open circuit voltage VOC (ZL removed) (magnitude and phase angle) 2) Calculate the Thevenin Equivalent impedance ZTH for this circuit (magnitude and phase angle)
How do we deal with a L1 cache that is Write-back Write allocate, and the L2 cache, which is a Write-through Write no-allocate?
Give a narritve for a cruise control system of a car. Include all relevant inputs and outputs. Design a flowchart and ladder diagram. Every element on the ladder diagram must be labelled and described.
The failed machine will be immediately replaced with a brand new one upon the failure and the replacement time is negligible. Each machine will cost $100,000 dollars and the system is designed to run for 5 years.
The frequency response of an FIR filter is H(ejw)=b0+b1*e^-jw+b2*e^-2jw. In each case below, state whether the filter is highpass, lowpass, bandpass or band stop and draw the pole zero plot.
An additional variable power factor load is to be added to the factory. The new load will add 320 kW to the factory. The power factor of the variable power factor load is to be adjusted so that the overall power factor of the factory is 0.96 laggi..
A causal discrete LTI system is described by y(n)-3/4 y(n-1)+1/8 y(n-2)=x(n) where x(n) is the input and y(n) is the output Find the response of the system if x(n) =u(n)
A pulse compression radar transmits rectangular chirp pulses with bandwidths of 500 MHz. What is the approximate slant-range resolution after Dolph-Chebyshev frequency weighting that results in 30-dB sidelobes
1-phase 2-winding transformer is rated 30 kVA, 360/90 V, 60 Hz. A source connected to the 360-V winding supplies an impedance load connected to the 120-V winding. The load absorbs 15 kVA at 0.8 p.f. lagging
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