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Three steel plates are welded together to form the beam shown. Knowing that the allowable normal stress for the steel used is 22 ksi, determine the minimum flange width b that can be used.
Obtain the power factor of a two-branch parallel circuit whre th efirst branch has Z1 = 2 + j4 ohms and the second Z2 = 6 + j0 ohms. To what value must the 6-ohm resistor be changed to result in the overall power factor of 0.90 lagging
For the given circuit, determine the function of it I.e. is it OR gate? Or AND gate,.. Show all your answer, also draw the symbol and truth table of it.
The current in the bias resistors should be no more than 10 percent of the drain current- Determine VGS, ID, and VDs. Sketch the load line and plot the Q- point.
Calculate the electrostatic energy that is stored in the structure if the intermediate space is filled with a dielectric whose relative dielectric constant is 10 and a voltage is applied between the conductors creating an electric field.
A coil with an unknown resistance and inductance isconnected in series with a resistor of 12 ohms and a capacitor of168 micro farads. The circuit is connected across a 220V 50Hzsupply, with lagging power factor of 0.7145.
What is the difference between the transient response of a induction motor shaft should be coupled to the dynamometer and the one that's not coupled And which better presents more problems to the entire system
a solid cylindrical conductor of raduis a and charge Q is coaxial with a cylindrical shell of negligible thickness,radius b,and charge -Q. FIND THE CAPACITANCE OF THIS CYLINDRICAL capacitor if its length is l.
Consider the induction motor shown in Figure. Redraw the figure showing the current directions in the rotor conductors, the magnetic rotor poles, and the direction of the developed torque if a prime mover drives the rotor at a speed higher than sy..
Describe the operation of the series RC circuit. The discussion must address phase angle relationships of current and voltage. The answer must include the effect of source frequency on the voltage drops across the resistor and the capacitor at ver..
The synchronous reactance of the generator is j1.35 per unit. Neglect armature resistance, armature resistance equals zero ohms. Both perunit impedances were calculated on the base MVA rating of thegenerator which is 75 MVA.
A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting and the exterior lighting turn on at dusk automat..
We need to use asynchronous TDM and combine 50 digital sources. On average only 20% of the sources are active at any time. Each output slot carries 18 bits of data from each digital source. Also 8 extra bits are added to each frame for synchroniza..
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