Electrical Engineering question and answers for July 24, 2023
- Q Building on the knowledge acquired, discuss practicalengineering design and why engineering for the developing worldmatters. discuss practical engineering design and whyengineering for the developing world matters.
- Q NO Handwriting Please !Will there be anything more efficient and better than LEDs? Ifso, how long will it be until that happens?
- Q How does the thorium reactor work in detail?
- Q A 1-MW, three-phase, star connected, 3.3-kV, 24-pole, 50-Hzsynchronous motor has a synchronous reactance of 3.24 ohms perphase. The armature resistance may be ignored. This motor isenergized from 3.3-kV infinite bus...
- Q Construct a decoder for binary1100 using two input NAND gatesonly.
- Q Compare the similarities and differences of the followingrenewable energy sources:Ocean thermal – Geothermal (2 points)High head hydroelectric vs tidal (2 points)
- Q What is the explanation of Energy Management and the function ofEnergy Management System in Smart City?
- Q complete the Elevator circuit Design from level 1 to 3.
- Q A 440 VDC, 60hp, cumulative compound long shunt motor has anarmature resistance of .1 Ohm, a series field resistance of ???Ohms and a shunt field resistance of 80 Ohms. The...
- Q write a two-page introduction about the power design for thespecific data center.
- Q Explain how the kinetic theory of gases can be appliedto measure effusion rates?
- Q A 5th filter is described by the difference equation: 2y(n)=2x(n)+7 x(n-1)+3 x(n-2)-8 x(n-3)+ x(n-4)-8 x(n-5)+7 y(n-1)-3y(n-2)+5y(n-3)- y(n-4) Determine the frequency response. Plot themagnitude and the phase response of this filter....
- Q Study how to use D/A converter regarding DAC0800 Manual (answertyped please)Understand the manual
- Q The following details are known about a 150 hp motor, 240 V, 500rpm, dc shunt motor. Nominal full load current: 500 A Insulationclass: H Weight: 3400 kgFind1.The total losses and...
- Q A baseband signal s(t)=8cos(2000t + 45)V, is wideband FMmodulated with carrier amplitude of 40 volts. The index ofmodulation is beta=3.a. show the simplified equation of the wideband FMmodulationb. determine wideband...
- Q design an electro- pneumatic circuit with threecylinder output .the process will be in sequence the cylinder 1extend , cylinder 2 then cylinder 3(using Timers). draw thepneumatic circuit including directional control...
- Q A) The order of first 3 harmonics on the output voltage of acontrolled 3-phase rectifier in CCM operations are;B) The order of first 5 harmonics on the input current of...
- Q What are the Components of Analog and digital data Acquisitionsystem, Draw and Explain through Block diagram?
- Q 6. Explain Radar Bearing and Range Resolution
- Q write a matlab code to simulate fiber optics communicationsystem on matlab simulink
- Q A balanced Y-connected load having an impedance of 60 - j45Ω/ϕis connected in parallel with a balanced Δ-connected load having animpedance of 90√2∠45∘ Ω/ϕ. The paralleled loads are fed from...
- Q what is the minimum number of wires required between two start/stoppush button controls?
- Q 1- A 480-V, 60-Hz, delta connected, synchronous generator has asynchronous reactance of 0.5 ohm and Its rated Line current is 100A. if the generator is connected to a 480V gridDraw...
- Q a.)    What do you understand by the termsystem automation?b.)    Why do you think that automation isimportant in our day to day activities – discussc.)     There is the fear thatautomation will replace human activities...
- Q module traffic(a, b,clk, reset, P1, P2, PL1, PL2, ind);input a,b;input clk; //g=100 y=010 r=001input reset; //g for pedes = 000 red = 111input ind;output[2:0] P1;output[2:0] P2; // two roadsoutput[1:0] PL1;...
- Q Derive the state diagram, state table, state assignment table,and logic network using D flip-flops for the followingcircuit:A FSM has two input, w1 and w2, and an output z. The machinehas...
- Q A 3 phase 6 pole, asynchronous AC motorstator resistance 0.34 ohmsrotor resistance 0.12 ohmsstator inductance of 0.5Hrotor inductance of 0.2Hmagnetizing inductance 12.35a)Draw the equivalent electrical circuit for this motor for...
- Q Name some applications of PWM and explain how they work.
- Q a. Derive the expression for the capacitance of aparallel plate having two dielectricfield.b. Write a short note on the magnetization of thefollowing magnetic material?i. Diamagneticii. Paramagneticiii. Ferromagneticc. Derive theexpression for...
- Q An input transmission line of characteristic impedance Z01splits off into three identical output transmission lines havingcharacteristic impedance Z02 = 3Z01. This represents a four-portsystem. Find all 16 of the S...
- Q A 20KVA , 2400/240 single-phase transformer hasReqp=4.45 ohm andXeq1=6.45 ohm, Plot the voltage regulation as load currentincreasedfrom no-load to full-load at different power factor 0.85 lagging,1.0 and0.85 leading using Matlab.
- Q 1-A facility Which instrument is useful for identifyinguninsulated steam lines:a- Tachymeterb- Psychrometerc- Infrared Camerad- Bourdon Gauge2- A new lighting system is installed to reduce energy use ina building What data...
- Q Question 1A stepper motor advances 2.5ÌŠ per step.How many pulses are needed to complete 3 revolutions?Explain what is meant by normal drive, wave drive and half-stepdrive.Why is viscous damping employed...
- Q Compare the working of an Induction motor with a synchronousmotor.
- Q The total current density in a semiconductor is given asconstant and Jtop = -20 A / cm ^ 2. Total current density is thesum of the hole drift current density...
- Q A system is described by the differential equation−5y′′(t)−3y′(t)+3y(t)=ys(t), Find the transfer function associatedwith this system H(s). Write the solution as a single fraction ins. H(s)=_______________?
- Q Hello, Can someone please give me an an example of NZVC flagbeing adjusted based of the addition of two binary numbers . Forexample 11001001 and 10000101. Please show all the...
- Q How the boost dc to dc convertor work.? Theoryticaland mathmatical?What is the effect of inductance and capacitance onboost convertor?
- Q A single-phase transformer of 3 kVA, 60 Hz, hasa voltage ratio on open circuit of 240 / 120 V.The primary and secondary resistances are 0.25 Ωand 0.05 Ω respectively, the...
- Q If you are trying to build a robot that can work in a mine.Explain how the photodiode, phototransistor and photocell can beused in this robot as sensor based on their...
- Q A DC shunt motor drives a centrifugal pump at a speed of 1000rpm when the terminal voltage and line currents are 200 V and 50 A,respectively. Given the armature resistance,...
- Q Explain counter or back e.m.f. in d.c. motor and stateits importance.
- Q Design a microcomputer system using a uP 8086 10 Mhz. Thissystem must have a Coprocessor 8087, a parallel connector, a serialconnector, ADC and DAC connector for data conversion, a 16...
- Q Question 5The following test data was captured from a 15hp, 4-pole, 400V,Design A, Induction motor. The star-connected machine has a ratedcurrent of 50A.No-Load TestVT = 400Vf = 50HzIA = 12APin...
- Q Using vhdl in a FSM , how could you write code to delay a statechange for one hour? For example, you have a fan running in the'on' state , but...
- Q write the code in MATLAB with comments and show the inputs andresults of the code for the question below.Write an .m file in MATLAB, that records audio (you can recordyour...
- Q From the solar constant and the average distance between the sunand the earth, estimate (a) the total power emitted by the sun, inmegawatts, and (b) the mass loss of the...
- Q Write a description of RCDs used in homes – include theirratings, the number of RCDs required, how to identify them in thepower board, variations, related standards, how often they areperformance...
- Q Can resistor be measured in live circuit and what will happen?Will the reading be accurate?
- Q Question 4 (20pts) The equation of a circle can be representedparametrically as?? = sin (??)?? = cos (??)where ?? varies from 0 to 2*pi. Create a Simulink® model toparametrically graph...
- Q Design an Moore FSM for an 8-interval stoplight system where thered light is ON (yellow and green lights are OFF) for 4 intervals,then yellow light is ON (red and green...
- Q A servomechanism has an open loop transfer function ofG(s) = 10 / s (1+0.5s) (1+0.1s)Draw the Bode plot and determine the phase and gain margin. Anetworks having the transfer function...
- Q how to write coding in matlab using gauss elimination method forequation10a + 50b + 20c + 10d = 1005a + 15b + 75c - 25d=20025a -15c - 5d = 30010a...
- Q Q5A 3-phase, 60 Hz, 500 V, delta connected motor developsmechanical output of 250 H.P., the power factor being 0·7 lagging(without capacitors) and motor efficiency 88%. A bank of seriescapacitors is...
- Q Youare using an external AC transformer to supply power to an electricfan. When you touch the transformer, it is very hot. What will youdo? Why?
- Q Use the sine wave and scope in the Simulink library (MATLAB) togenerate and observe the following waves:a. ?1 (?) = sin ??b. ?2 (?) = cos ??c. ?2 (?) =...
- Q what is meant by ( armature reaction) how its effect taken intoaccount in the equivalent circuit of AC generator ?
- Q Show the expression to find the force b/w thetwo parallel current-carrying conductors. (please explain youranswer in detail so I will able to understand too)
- Q What are the methods of energy conservation in electricaldrives
- Q witches » HW-20: Arduino - Motor Speed.problemArduino - Measuring Motor SpeedArduino sketch with corresponding line numbers percoding line.Match line # 1 through #17 with the corresponding instructionpurpose._____________________________________________________________________1.  int count = 0;    ...
- Q \"Engineeringstudents devote less that 5% of their engineering studies tocommunication skills. Practicing engineers devote 20-40% of theirworking time to communication\"***Whataccounts for the disparity? If up to 40% of an engineer's...
- Q An antenna has a beamwidth of 36.10. It is fed by an RG8transmission line 0.5 km long whose attenuation is 3.4 dB/100 m at220 MHz. The transmitter output is 50...
- Q What are the main advantages of three-phase rectification overthree phase half-wave rectification?What are the main advantages of three-phase rectification oversingle phase?please explain with pictures( at least 2000Words).
- Q Show and explain Gauss-Jordan elimination using Matlab.
- Q Explain in very details what happen inside the 7805 regulator toconvert 7-12 voltage to 5 V. and also show the circuit andcalculation
- Q Decreasing the quantization interval of an ADC will decrease theaverage quantization error, True or False.
- Q Write the half-reactions that occur at each electrode whencharging a lithium ion battery with a graphite anode and a LiCoO2cathode. What is the overall reaction for the charging process?Can you...
- Q Please answer the following questions.1. Please explain why we need image rejection filter or imagerejection mixer and when we need with detail explanation.2. Please introduce a couple of methods to...
- Q Assume a trapezoidal speed time curve and derive an expressionfor the maximum speed.
- Q A 100 ohms load is connected to a 50 ohms transmission line.Determine the value of the reactance to put in series at the inputto the line and the length in...
- Q Simplified explanation of the electric powersystem.
- Q 5.1 Sketch the energy band diagram for an n-type MOS-C underaccumulation bias conditions and sketch the energy band diagram foran n-type MOS-C under depletion bias conditions.
- Q Describe briefly the four (4 ) control methods of thecontaminants (pollutants)
- Q Explain why the positive sequence impedance of a transmissionline and transformer is the same as the negative sequence impedancebut is different from the zero sequence impedance.
- Q Assume that you are using a piezoelectric material to build amicro/MEMS actuator beam in order to pick up a red-blood cell (withmass of ~1picogram or 10-12grams). If the dimensions of...
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