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Five metal strips, each 0.5 X 1.5-in. cross section, are bonded together to form the composite beam shown. The modulus of elasticity is 30 X 106 psi for the steel, 15 X 106 psi for the brass, and 10 X 106 psi for the aluminum. Knowing that the beam is bent about a horizontal axis by a couple of moment 12 kip.in., determine
(a) the maximum stress in each of the three metals,
(b) the radius of curvature of the composite beam.
A 250ft^2 shell and tube heat exchanger was purchased fo $13,500 in 1994 when the index value was 830. Estimate the cost of a 150 ft^2 shell and tube heat exchanger in 2010 when the index calue is 1,029 and the appropriate factor is 0.6.
How should three capacitors and two batteries be connected so that the capacitors will store the maximum possible energy
Draw the logic diagram to implement the following functions using AND and OR gates. Form a truth table for each and show the outputstate for each possible input combinations (notice that there are16 possible input combinations).
The load reactance is 4 Ω. Thecommutation overlape and thyrister turn - off time limitthe firing angle in the inverter mode to 1650. Compute(a) peak value of r.m.s. output voltage (b) r.m.s.output current(c) output power.
In the movement of a robot arm, the arm is commanded to go from position 1 to position 5. Discuss the rise time, the overshoot, the settling time, and the steady-state error as it applies to the movement of a robot arm
Design a 2-bit count-down counter. This is a sequential circuit with 2 Flip-Flops and 1 input x.When x=0, the state of theFlip-Flops does not change.When x=1,the state sequence is11,10,01,00,11 and repeat.
Design a half-wave rectifier power supply to deliver an average voltage of 9V with a peak to peak ripple of 2V to a load. The average load current is 100mA. Assume that ideal diodes and 60Hz. ac voltage sources of any amplitudes needed are avail..
a square wave of 1000Hz is introduced into an ideal band passfilter (bandwidth = 100Hz) that is tuned to 5000Hz. The signal output has an amplitude of 0.1V. The filster is thenreturned to 9000Hz.
Determine the magnitude of the signal source voltage to produce an output signal voltage of 1.0 V. What value of load resistance would halve the signal voltage output for the same input?
Because A - B = A + (-B), the subtraction of signed numbers can be accomplished by adding the complement. Subtract each of the following pairs of 5-bit binary numbers by adding the complement of the subtrahend to the minuend. Indicate when an over..
Use the table on slide 11 of this lecture and determine the line parameters L and C of the transmission line. Consider that the TL is lossless and µ = µ0 for polystyrene. Then find the characteristic impedance of the line Z0, phase velocity
a clean nickel surface is exposed to light of wavelength of 235nm. what is the maximum speed of the photoelectrons
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