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Analyze heat lost from a 6-inch OD steam line. The line carries high-pressure steam throughout the factory at 400 psi, 400 oF. Specify type and thickness for insulating the steam line. Compare the cost of energy lost with and without pipe insulation. You can assume steam is generated 8000 hours/year. Compare energy cost reductions based upon a gas fired boiler and a fuel oil fired boiler. Assume boiler energy input at 6.5(106) Btu/hr.
Explain Capacitance of parallel plates capacitor, Relative permitivity is 500, The area is one square meter, The distance between the plates is 0.001 meters
A double slit illuminated with light of wavelength 498 nm forms a diffraction pattern on a screen 45 cm away. The slit separation is d = 4196 nm. What is the distance fx between orders m = 17 and m = 16
The output is Z=1 if and only if the total number of 1's received is divisible by3 (0,3,6, ...) and the total number of 0's received isan even number greater than zero. (Hint: The minimum number of states is 9.)
consider the power system below.1. write the ybus matrix.2. identify the bus types and the unknown variables of the
MOSFET Amplier Sketch the 4-resistor bias network for an amplier with an n-channel enhancement-mode MOSFET, with R1 = 1Mohm ; R2 = 1:5Mohm ; RD = 75kohm ; Rs = 39kohm ; K = 25microA/V2 ; VDD = 10V and Vto = 1V.
Consider the stable system represented by the differential equation: dx(t)/dt + 3x(t) = u(t) Determine the phase lag for this system if the input u(t) = sin3t.
A well-behaved analog signal with a frequency of 20 kHz is being sampled. What is the sampling frequency of frequency aliasing occurs
Consider a 32-bit microprocessor whose bus cycle is the same duration as that of a 16-bit microprocessor. Assuming that, on the average, 20% of the operands and instructions are 32 bits long, 40% are 16 bits long, and 40% are only 8 bits long.
A 40-hp, 500 V, 1200-rpm DC shunt motor has rotationallosses of 2000 W at rated speed. The armature resistance is 0.46Ω and the field resistance is300Ω. A) Calculate the armature current when the motor is delivering rated load at rated voltage and..
An NMOS operating in triode region withVds=0.1V conducts 60μA for Vgs=2V.The device conducts 160μA forVgs=4V. Calculate Vt. If Kn'=25μA/V2 , what is the device W/L What current would flow for Vgs=3V and Vds=0.15V
A switch-tail counter (also called twisted ring counter, Johnsoncounter) uses the complement of he serial output of a right shiftregister as its serial input. a) Starting from an initial state of 000, list the sequence of the states
A system is needed to measure flow, which continuously cycles between 20 and 30 gal/min with a period of 30 sec. The required output is a voltage varying from -2.5 to +2.5 V for the cycling flow range. The sensor to be used has a transfer function..
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