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1. The rocket nozzle shown below consists of three welded sections. Determine the axial stress at junctions 1 and 2 when the rocket is operating at sea level. The mass flow rate is 770 lbm/s.
2. The pressure on the control volume illustrated below is constant. The x components of velocity are as illustrated. Determine the force exerted on the cylinder by the fluid. Assume incompressible flow.
3. Water flows in a pipe at 3 m/s. A valve at the end of the pipe is suddenly closed. Determine the pressure rise in the pipe.
Draw a timing diagram for your circuit (consider that the propagation delays are negligible).
If the current through and voltage across an element are I = 8 sin(ωt + 40°) and v = 48 sin(ωt + 40°), respectively, compute the power by I2R, (VmIm/2) cos θ, and VI cos θ, and compare answers.
At the time the double-pole switch inthe circuit shown is closed, the initial voltages on the capacitorsC1 and C2 are VC1 = 11 V and VC2 = 6 V respectively. If the otercircuit parameters are Va = 6 V, Vb = 12 V, Vs = 28 V, R1 = 11kOhm
what are the different methods used in frequency response analysis
(a) Howmany 256M X 16 RAMchips are needed to provide amemory capacity of 8 GB (b) How many address lines are needed to address this memory (c) How many address lines need to go to each chip
A votage pulse of amplitutde 10V begins at 5-sec and lasts for 20 msec,which is short compared with the respponse times and time constants of the system.This impulse si then passed through and integrator.
Determine whether the following signals are energy or power signals and compute the energy or the power a) (-1)n u (n) b) cos (πn/3 + π/6 )
Consider a 16-ary PSK system with symbol error probability PE = 10-5. A Gray code is used for the symbol to bit assignment. What is the approximate bit error probability
Obtain the Fourier Transform for the data using the Fourier Analysis tool of Excel. The transformed data should commence in cell D2 - Identify the principal frequencies in the current waveform.
An 8-pole, 3-phase alternator is coupled to a prime mover running at 750 r.p.m. It supplies an induction motor, which has a full load speed of 950 r.p.m. Find the number of poles.
a series rlc circuit has a 4ohm resistor an inductor with an xl of 19.5 ohms and a capacitor with an xc of 12 ohms.
write a complete report on microchip PIC16F88 reigters, memory andits assembley language instruction with expalantion and examples.
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