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A concrete slab is reinforced by / 8 -in.-diameter steel rods placed on 5.5-in. centers as shown. The modulus of elasticity is 3 X 106 psi for the concrete and 29 3 106 psi for the steel. Using an allowable stress of 1400 psi for the concrete and 20 ksi for the steel, determine the largest bending moment in a portion of slab 1 ft wide.
The following U.S. border entry points: New York via commercial airplane Detroit via commercial transport truck highway Vancouver to Seattle via intercity passenger train
a) Starting from an initial count of 0000, list the countingsequence after each shift until the count returns to 0000b) Beginning with an initial count of 00..0, what is the length ofthe count sequence of an n-bit Johnson counter
Use a Spread Sheet or MATLAB or write a computer program to find the numeric solution to the conduction angle equation for a 60hz Half-Wave rectifier circuit that uses a filter capacitance of 100,000µf. The circuit is designed to provide 5v and 5a..
What are the advantages and disadvantages of estimating the voltage regulation of an Alternator by EMF method?
The cutoff frequencies of a series resonant circuit are 5400 Hz and 6000 Hz. a. Find the bandwidth of the circuit. b. If Qs is 9.5, find the resonant frequency of the circuit. c. If the resistance of the circuit is 2-ohm, find the value of X and XC a..
A 10kW, 230V, 50 Hz, three-phase induction motor has full-loadefficiency of 86%, and power factor of 88%. It is supplied by a three-core cable 100mlong, having conductors of cross sectional area 16 mm^2 andresistivity 17.2nΩ m.
Design an operational amplifier cicuit that has the following specifications: Gain=-3; Input impedence>20 kohm You have unlimited number of resistors of values 1,2,5, and 10 kohms and LM741 op amps. Input impedance of LM741 op amp is 3Mohm.
A liquid level system converts a 4-10 m level into a 4-20mA current. Design a three mode controller (PID im assuming) that outputs 0-5 volts with 50% PB, 0.03 min integration time, and 0.05 min derivative time. Fastest expected change time is 0.8 ..
A large billet of steel initially at 260°C is placed in a radiant furnace where the surface temperature is held at 1200°C. Assuming the billet is infinite in extent, compute the temperature at point P shown in the accompanying sketch after 25 min ..
Design a DC-coupled differential amplifier with differential gain of 50 for input signals near ground, supply voltages of +15V and -15V and quiescent currents of 0.1mA in each transistor.
The phase margin needs to be at least 45 degrees. The error for a ramp input should be less than 5% Add the lag compensator using bode plots. Show the characteristics (margins) of uncompensated and compensated system to
The bandwidth of a series resonant circuit is 400 Hz. (a) If the resonant frequency is 4000 Hz, find Q. (b) If R = 10?, what is the value of XL at resonance (c) Find the inductance L and capacitance C of the circuit.
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