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1. Name three pollutant areas that would be category
2. What are the two most common pollutant pathways?
3. What is the best method to use for controlling IAQ?
An RC electric circuit is to have a rise time of one microsecond (1 μs). Select appropriate values of R and C to accomplish this objective.
The DC shunt motor is running at full load with a supply voltage of 440 V and a supply current of 70 A. The rotation speed in full load is 1000 rpm, the field resistance is 200 Ohm and the armature resistance is 0.2 Ohm.
Assume that the rotor ohmic losses are 35.26 W. Find the forward and backward gap power and the values of Rf and Rh. Assume a four-pole machine.
By appropriate sketches, show that it satisfies Nyquist's pulse-shaping criterion.
design a circuit to compute F=(A*B*C) +3*D+12,A,B,C and D are 16 bit inputs and F is a 16 bit output. Use 16 bit multiplier and adder components, and ignore overflow issues.
A SEMICONDUCTOR IN THERMAL EQUILIBRIUM, HAS A HOLE CONCENTRATION OF P0=1016 CM-3 AND AN INTRINSIC CONCENTRATION OF Ni =1010 CM-3. THE MINORITY CARRIER LIFE TIME IS 4*10-7s.
A wave is specified by y = 8cos2π(2t-0.8z), where y is expressed in micrometers and the propagation constant is given in μm-1. Find (a) the amplitude, (b) the wavelength, (c) the angular frequency, and (d) the displacement at time t=0 and z=4 μm.
A D flip-flop is connected as shown. Determine the output of the flip-flop for ten clock pulses assuming it has initially been reset. What function does this configuration perform?
Determine, in general, what type of load impedances can be matched using such a circuit.
Describe the structure and way of functioning of the FFT filter consisting of three components (modules)
A jet has 4 engines, A and B on the left wing, C and D on the right wing. Each engine gives a FAIL signal which is TRUE if the engine is broken, and is FALSE if the engine is working fine. The plane can fly as long as at most 1 engine on each wing..
Consider a coil wound on an iron core. Suppose that for operation with a given 60-Hz ac current, the hysteresis loop of the core material takes the form of a rectangle, as shown in Figure. The core volume is 1000 cm3. Find the power converted to h..
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