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A machinable grade of aluminum is to be milled on an NC machine with a 20 mm diameter four tooth end miling cutter, Cutting speed = 120 m/min and feed = 0.008 mm/tooth. Convert these values to rev/m
A 50 hp, 460 V, three phase induction motor draws 61 amps when operating at rated voltage and at a power factor of 0.85 lagging when supplying a rated load. knowns: 1hp=746watts effeciency (n) = Pou
Suppose two points P1 and P2 are tossed at random and independently onto a line segment of length L. What is the probability that the absolute distance between the two points does not exceed l.
Calculate the location of Ei in silicon at liquid nitrogen temperature(77k), at room temperature 300k and at 100 degree celsius (let mp =1.0mo and mn= .19m0) Is it reasonable to assume that Ei is th
A temperature sensor has a static transfer function of 0.15mV/degrees C and a time constant of 3.3 s. If a step change of 22 degress C to 50 degress C is applied at t = 0, find the output voltages a
Suddenly there is a short-circuit on the electric grid, and the electrical output goes to zero for 2 seconds. Calculate the increase in speed in rpm during this interval. Assume that the shaft-tor
determine the current drawn from a 3 phase 220 V line by a 3 phase 15kW motor operating at half load, 85% efficiency and .8 pf lagging. Find the values of real and reactive power drawn from the lin
An amplifier with a power gain of 3dB is to be characterized. The test apparatus provides a SNR of 20dB at the input and measures a SNR of 15dB at the output. Find the amplifier's NF. Specifications
A three phase load draws 100kW at a poer factor of 0.7 laggaing from a 220V line to line. In parallel with this load is a three phase capacitor bank which draws 60kVAR. Find the total line current
A three phase motor draws 20kva at 0.7 lagging power factor from a 240 V source. Determine the kVAR rating of the capacitors to make the combined power factor 0.9 lagging and determine the line cur
1. Write an algorithm to carry out subtraction of two binary numbers (the skeleton was given in the class). Include all the conditions for the given numbers. 2. Write an algorithm to carr
Define a pointer to a variable as a char data type set the pointer equal to Hello World Print the entire contents of the variable Print the 4th and 6th positions of the variable. Sample output: Hell
find the number of years that the country can go without constructing a generating plant before the load exceeds the generating capacity. Assum a 5% annual growth rate in demand.
Design the simplest circuit that has three inputs x1,x2, x3, which produces an output value of 1whenever EXACTLY one or two of the input variables have the value1; otherwise, the output has to be 0.
A circle touches the x axis and also touches another fixed circle with center (0,3) and radius = 2 units. What is the locus of the center of the (first) circle
The maximum radius a falling liquid drop can have without breaking apart is given by the equation: R = sqrt((sigma/gp)) where sigma is the liquid surface tension, g is the acceleration due to gravity,
A rod on the surfaceof Jupiter's moon Callisto has a volume of 0.3 cubic meters. Write a MATLAB program that will determine the weight of the rod in units of pounds-force. The specific gravity is 4.
An unmanned X-43A scramjet test vehicle has achieved a maximum speed of Mach number 9.68 in a test flight over the Pacific Ocean. Mach number is defined as the speed of an object divided by the spee
A "Hall bar" specimen is 250 mm long, 12 mm wide, and 1.5 mm thick. Along the 250 mm direction (+x), +5 V drives a current of +1.75 mA. Along the 1.5 mm direction (+z) a magnetic field of 1 Tesla is
The respective resistance measurements (from the first bar) are 11.1 kW, 12.1 kW, and 14.5 kW.Find the a) material resistivity and b) contact resistivity, then c) restate the material resistivity as a
1. What is the effect of increasing the quantization levels on the quantization error in a PCM signal 2. How can we increase the data rate in a digital signal
A 5-volt intelligence amplitude causes the frequency to change to ± 25 kHz. What will be the carrier frequency variation corresponding to an intelligence amplitude of 10 volts
Use the above transfer function and BLT to design a corresponding IIR digital lowpass filter with a cutoff freqency of 15 Hz and a sampling rate of 120 Hz. a. Write the transfer function of the digi
Design a second-order band-pass IIR filter with center frequency of 450 Hz when the sampling frequency is 2,000 Hz. In order to ensure the filter stability, set the poles at 0.96 radial distant from
Assuming that the maximum depth of Kraken Mare is less than 400 meters, how much pressure in atmospheres must the submersible be designed to withstand Assumer the surface pressure on Titan is 17 ki