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A sample of 16 pvc valves for gas engines is randomly selected from a very large batch, and tested. Let X denote the number of valves out of the 16 selected that are found to be defective when tested. Valves are defective or non-defective independently. If the probability of a valve being defective is 0.02, find:
A. No valve is defective.
B. At the most one valve is defective.
C. At least one valve is defective.
A PLL frequency synthesizer has a variable -modulus prescaler of M=10/11 and divider ratios of the A and N COUNTERS OF 40 and 260. the reference frequency is 50khz. what are the VCO OUT PUT FREQUENCY and the minimum frequency step increment
The controlled variable in a closed-loop system is the direction of a robot arm. Initially, it is at 50o; then it is commanded to go to 25o. What is the error when the arm position is at 15o
An engineer makes an accurate flux plot for a pair of linecharges. one line charge has a fixed ?=1.00[C/m] and islocated on the x axis at x=-h. The other line charge has f=-0.75[C/m] and is located on the x axis at x=h.
a) If the parallel inductor is replaced with a single inductor, what would be the value of the inductor b) What would be the initial current through the equivalent inductor c) Find i_1(t) and i_2(t) and verify that they satisfy using the Kirchoff's C..
A NEMA design B, 3-phase, 60 Hz, Induction motor is rated: 60 HP, 460V, 71A, 93.0% efficiency, NEMA code G, 1180 RPM: A. What is the power factor of the motor B. What is power factor of the motor when operating at 1/2 load
An engineering statistician wants to conduct a test to determine if there is a difference in the compression strength of two different manufactures of reinforced concrete columns.
A sinusoidal message signal has a frequency of 10 Hz. The signal is the input to an FM modulator with an index of 8. Determine the bandwidth of the modulator output if a power ratio, Pr = 0.8 is required.
A battery E (e.m.f 12v and internal resistance 0.8 ohms) and a resistor R1 (10 ohms) are connected in series across two parallel resistors (R2 = 12 ohms, R3 = 18 ohms). i) Draw the circuit diagram, determine the battery terminal voltage.
The charge leaving the positive reference terminal of a voltage source is q(t)= [6sin120pi*t - 8cos120pi*t]mC the voltage source value is v(t)= 160cos120pi*t V. A) Determine the power supplied by the voltage source at t=0
At the receiver, demodulate the double side band signal S(t) = [cos(90*pi*t) + cos(120*pi*t)] * [cos(400*pi*t)], with the local carrier cos(400*pi*t). Design a low pass filter to suppress the carrier and plot the amplitude spectrum of S(t)
A series circuit consists of a 240V source and 20ohm, 30ohm, and 10ohm resistors. a) Find the current out of the positive terminal of the voltage source. b) Find the voltage across each resistor.
A design for high pass filter with butterworth characteristic is needed. Filter specification rewquire a cut-off frequency of 9 kHz for a sampling rate of 44 kHz, and a stop band attenuation of 40dB
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