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The voltage and current for a circuit element are v(t) = 10 + 6 cos(377t + -60) - 7 cos(754t + 10) V & i(t) = 7 + 4 cos(377t + -20) + 5 cos(754t + 10), with the phase angles given in degrees.
A pump has a displacement volume of 98.4 cm3. It delivers 0.00152 m3/s of oil at 1000 rpm and 70 bars. If the prime mover input torque is 124.3 N.m, a. What is the overall efficiency of the pump b.
A pump supplies oil at 0.0016 m3/s to a 40 mm diameter double-acting hydraulic cylinder. If the load is 5000 N (extending and retracting) and the rod diameter is 20 mm, find the Hydraulic pressure d
A 2722-kg weight is being pushed up an inclined surface at constant speed by a cylinder. The coefficient of friction between the weight and inclined surface equals 0.15. for a pressure of 6.9 MPa, d
Write a Verilog behavioral dataflow model for a 4-bit expandable ALU. Create it using a hierarchical description that includes a behavioral dataflow model of an expandable 1-bit ALU.
the discrete-time systems, where y[n] and x[n] are, respectively the output and the imput sequences, determine whether or not the system is (1) linear, (2) causal, (3) stable, and (4) shift-invarian
Develop a system to help students learn Morse Code. The system will have one input and 26 outputs (one per letter). The user sends in Morse Code pulses on the input, and as characters are completed
Given a voltage of 100 volts with a phase angle of 0 degrees, applied across an impedance of 50 ohms at an angle of +30 degrees. This is an inductive impedance - not TOTALLY inductive, but more indu
A temperature transducer has the relationship R=200 + 10T where R is in ohms and T is in Celsius. The problem specifications are: Range is 30=T=50°C Resolution is 0.01°C Frequencies of intere
A buck-boost converter works with an input voltage of 12 V and switching frequency 10 kHz. The load resistance of 24 Ω requires doubled input voltage. The inductor and capacitors are 1 mH and
A buck converter has input voltage of 10 V, switching frequency 1 kHz, The load resistance of 5 Ω requires average voltage of 5 V with a maximum ripple of 20 mV. The maximum ripple current of
Let c(x) = 1 - x2/2! + x4/4! and s(x) = x - x3/3! + x5/5! be approximations to cos(x) and sin(x) respectively. What are the relative and absolute errors in using these formulas for x = -2, -1, 0, 1, 2
A parallel plate capacitive sensor is used to measure displacement. The area of the plates is A and the gap between the plates is d. The space between the plates is completely filled by material wit
Design an two or three stage amplifier that :Operates from single supply of no more than +10 V, and consumes no more than 10 mA. Has an RIn = 50 Ohms w/in 10%. Has an ROut less than or equal to 1kOh
for the circuit where Vr=30 Ohms, L=20 mH, C=39uF, and e=squareroot of 2(20)sin(1000t+40 degrees) a. Determine I, Vr, and Vc in phasor form b. Calculate the total power factor and indicate whether it
Determine for each of following 4 signals if it is bandlimited and, if yes, find the minimum sampling rate without causing aliasing. (a) x1(t) = cos(500pt) + sin(700pt); (b) x2(t) = sin2(50pt);
Consider a system in which a data transfer over a bus takes 500 ns. Transfer of bus control in either direction, from processor to I/O device or vice versa, takes 250 ns. One of the I/O devices has
Design a NMOS resistive load inverter for: VDD = 5V P = 0.2 mW when Vlow = 0.1V kn = 60 micro Ampere / V^2 VTN = 0.25V Find the load resistor and the W/L ratio for the switching transistor.
a. Tablulate the truth table for an 8x4 ROM that implements these Boolean functions. b. Tabulate the PLA programming table for these functions. Minimuze the number of product terms. c. Implement this
A three-phase 5 hp, 208 V motor has an efficiency of 92%, and a power factor of 0.87 (lagging) when it runs at full power. Calculate the motor phase currents and line currents if the motor is wye co
(a) Draw the equivalent circuit. (b) Determine the ohmic value of the impedances. (c) Calculate the source current in amperes and in percent if the generator operating voltage is 3.8 kV (line-to-lin
The system works as follows. When the main program starts to run, the microprocessor commands the A/D to convert. The microprocessor then sits in a dummy loop until the A/D interrupts, after it has
In a typical commercial electrical distribution system, which is more common: an inductive power factor, or a capacitive power factor. What is the most common technique used to correct this kind of l
When making an impedance diagram, does inductive reactance go on the positive Y-axis, or the negative Y-axis. How about capacitive reactance. How do these graphical representations relate to the pha
A quartz crystal microbalance (QCM) was employed in a vacuum deposition process, where a thin film of aluminum was grown over a p-Si wafer. The oscillator frequency at the start of the process was 1