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Water is the working fluid in an ideal Rankine cycle. Superheated vapor enters the turbine at 10 MPa, 4808C, and the condenser pressure is 6 kPa. Determine for the cycle
(a) the rate of heat transfer to the working fluid passing through the steam generator, in kJ per kg of steam flowing.(b) the thermal efficiency.(c) the rate of heat transfer from the working fluid passing through the condenser to the cooling water, in kJ per kg of steam flowing.
A single phase transformer has the following rating: 120 kVA, 2000 V/100 V, 60 Hz with 1000 primary turns. Determine (A) the maximum flux. (B) given a maximum flux density of 0.25 T, the cross-sectional area of the core.
A 1 V battery is connected across a series combination of a 2 k-ohm resistor and a forward-biased diode. Determine iD and vD for the diode using: (i) the ideal diode model; (ii) the constant drop model with vD = 0.7 V
An AC motor with impedance Z = 4.2 + j3.6 Ω is supplied by a 220 V, 60 Hz source. Determine the reactive power delivered to the load.
Important information about Digital signal processing, (a) Design a lowpass FIR digital filter using "remez" routime in Matlab for the following specifications:
In an audio system, the microphone produces a voltage of 10mV which is connected by a cable to an amplifier with a voltage gain of 30dB. The cable introduces a loss of 5dB. Find the gain of the system and output voltage.
A large number, n, of closely spaced turns of fine wire are wound in a single layer upon the surface of a plastic sphere of radius, R, with the planes of each turn perpendicular to the axis of the sphere and completely covering its surface.
HALF-ADDER: S = XY' + X'Y , C = XY (These are the outputs) 1. From the equation given for half-adder, develop an equation for which the half-adder can be constructed just with NAND gates. Draw the circuit as per the equation obtained.
Using synchronous Finite State Machine, design a sequential circuit that asserts a high output (Z) for exactly three clock pulses when an input button (B) is pushed (i.e. asserted). The circuit should stay idle with low output
(a) Identify the problem with this data. (b) How would the transmitter fix the problem. (Write down the sequence as it would be transmitted.) (c) What would the receiver do to the received bit sequence
1) Modern technology has produced a small 1.5-volt alkaline battery with a nominal stored energy of 150 joules. For how many days will it power a calulator that draws a 2-mA current 2)The current entering the positive terminal of an element is
1. Calculate the length of time it takes for a signal to pass down an Ethernet bus that is 300 m in length, assuming the velocity factor of the cable is 0.66. 2. For the Ethernet bus in problem 1 and a communication rate of 10 Mb/s
The counter should increment on the rising edge of an input signal we'll call COUNT. Another input called CLEAR should have the effect of setting the counter to zero if CLEAR = 1 when COUNT is asserted.
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