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A two port network has the y parameter Y11=10, Y12=-20, Y22=2, all in milli mhos, find the new y parameter, if a 100ohm register is connected across the input & across the output?
The one way bandwidth available to a single operator in the telecommunication system is 12.5 Mhz with a bandwidth of 30 Khz and 21 control channels. Calculate the efficiency with which this syste
A rigid tank has a volume of 0.06m3 and initially contains a two-phase liquid-vapour mixture of H2O at a pressure of 15 bar and a quality of 20%.
Gaussian white noise, perfectly band-limited to 0-10MHz, is passed through a perfectly rectangular filter of bandwidth 18 kHz, gain 3 dB, and center frequency 455 kHz. If the RMS voltage of the inp
Consider uniform potential flow past an ellipse with thickness ratio T. Use an appropriate joukowski transformation to find the complex potential for the flow around the ellipse in terms of its geomet
The noise produced by a resistor is to be amplified by a noiseless amplifier having a voltage gain of 75 and a bandwidth of 100 kHz. A sensitive meter at the output reads 240 μV rms. assuming
A turbofan jet engine has a large fan that sucks in air. Some of this air enters a set of compressors, is mixed with fuel in combustion chambers, and expands through the turbines that drive the fan.
Explain briefly the following properties of moist air: dry-bulb temperature, wet-bulb temperature, relative humidity, humidity ratio, dew point, specific volume and enthalphy?
Design a third-order Butterworth highpass filter with fc=100 Hz and high frequency gain of 20 dB using the standard form of the third-order Butterworth polynomial (s+1)(s^2+s+1)?
One kilogram of air as an ideal gas executes a Carnot power cycle having a thermal efficiency 50%. The heat transfer to the air during isothermal expansion is 50 kJ.
A certain 11 V dry-cell battery, completely discharged, requires a current of 100 mA for 1.2 hr to completely recharge. What is the energy storage capacity of the battery, assuming the voltage d
Given two single pole switches, write a program that will turn on an output when both switch A and B are closed. And given two single pole switches, write a program that will turn on an output w
A cylindrical drill with radius r1 is used to bore vertically a hole through the centre of a sphere of radius r2.
Refer to the oscilloscope trigger setting. What could happen to the waveform display if the Negative Slope were to be chosen? Explain the consequence in your own words and also sketch the wavefo
The condenser pressure is 8 kPa. The turbine and pump each have isentropic efficiencies of 85%, and the mass flow rate of steam entering the turbine is 120 kg/s.
Temperature can be measured by measuring the resistance of a length of wire since the resistance of many materials changes with temperature. Platinum resistance thermometers utilize this principal
You are designing a remote-area power supply based on a miniature wind turbine that is 20% efficient. Meteorological data indicates an average wind speed of 24 km/h at an air temperature of 10oC and p
Drinking water at 10oC for an office complex must be pumped along a horizontal section of PVC pipe 50 m long at 2 m/s. The pipe has a nominal diameter of 62.5 mm and is Schedule 40. What is the head l
Suppose station A and B are interconnected through two parallel unreliable links, where each link has a failure probability of 0.1. Calculate the average seconds per day when A and B lose commun
A boiling-water-type nuclear fission reactor has shut down, the backup pumps have failed and emergency cooling water must be pumped between fuel-rod assemblies in the reactor core at an average veloci
Efficiency in a power transformer is 98.6% when loaded such that its core losses equal the copper losses. Calculate the per unit resistance of this transformer?
About microelectronic circuit documents on the site, are these handouts for the course or just the figures in the chapter?
Propane gas enters a continuous adiabatic heat exchanger' at 40°C and 250 kPa and exits at 240°C superheated steam at 300°C and 5.0 bar enters the exchanger flowing counter currently to th
The upside-down steel A frame shown in the figure is to be bolted to steel beams on the ceiling of a machine room using ISO grade 8.8 bolts.