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Water is the working fluid in a vapor power cycle with reheat, superheat and reheat.
Superheated steam enters the first turbine stage at 8 MPa, 480 C and expands to 0.7 MPa. It then is reheated to 480 C before entering the second turbine stage, where it expands to the condenser pressure of 8 KPa. The mass flow rate of steam entering the first turbine stage is 2.63*10^5 Kg/h. Each turbine stage operates with an isentropic efficiency of 58%. The pump operates with an efficiency of 80%.
Determine the net power developed, the cycle thermal efficiency and the rate of heat transfer to the cooling water passing through the condenser.
Suppose the information portion of a packet contains 10 bytes consisting of the 8- bit unsigned binary ASCII representation of string "Link Layer".
An AC sine wave is applied to the input of a full wave rectifier. The output of the full wave rectifier is then applied to a half wave rectifier.
The reliability of a certain automatic cutoff device is assumed 11/12. What is the reliability of a system consisting of 4 such devices so arranged
Eigenfunctions and LTI systems, The eigenfunction property is only valid for LTI systems. Consider the cases of nonlinear and of time varying systems.
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.
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output?
What is the attenuation per octave between 1 kHz and 10 kHz? What is the increase in attenuation between 5 kHz and 10 kHz?
Supply the quantisation levels (including zero) that are available. Do this for both the three and 4-bit ADC in table form. What is the resolution of each quantizer?
What is bit rate of the transmission on the twisted pair? If the digital outputs of three identical video cameras are combined onto a single cable using time division multiplexing, what is the bit rate on the cable?
Important information about Examination of a digital radio link A. A digital radio link operates at a frequency of 75 MHz and uses ideal RRC filters with nroll off factor r = 0.2 in the transmitter
A 3.5inch floppy disc has a nominal capacity of 2 MB. Note that there are eight bits to a byte. Estimate the area of magnetic material allocated to each bit of information. Clearly state any assumption made and carefully note any measured quantiti..
What is the energy in joules stored in the capacitor below, The capacitor is shown with 10 volts on each side of it (plus on the left of the capacitor, - on the right), and C = 20 microfarads.
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