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A rectangular plastic specimen of size 100 X 100 X 10 mm3 is placed in a rectangular metal cavity. The dimensions of the cavity are 101 X 101 X 9 mm3.
The plastic is compressed by a rigid punch until it is completely inside the cavity. Due to the Poisson's effect, the plastic also expands in the x- and y-directions and fills the cavity.
Calculate all stress and strain components and the force exerted by the punch.
Assume that there is no friction between all contacting surfaces. The metal cavity is rigid. Elastic constants of the plastic are E = 10 GPa and ν = 0.3.
A rigid container holds hydrogen gas at a pressure of 3.0 atm and a temperature of 2.0° C. What will the pressure be if the temperature is raised to 10° C
A source consists of six outputs denoted [A; B;C; D; E; F] with respective probabilities [0:25; 0:25; 0:2; 0:1; 0:1; 0:1]. Determine the entropy of the source.
What is the reflection coefficient seen at port 1 if a short circuit is placed at the terminal plane of port 3 and all other ports are terminated with matched loads?
1) What is the difference between a continuous spectrum and a line spectrum 2) What is the fundamental difference between a continuous signal and a discrete signal 3) Why are linear time invariant (LTI) systems so important in engineering and enginee..
Load flow studies are performed to investigate the which features of a power system network?
In the given image, the switch S1 is in position 1 for a long time. At t=0s, the switch is thrown to position 2. Find the current i as shown in the circuit below as a function of time.
which shape has the smaller demagnetization factor: a thin film media along the direction perpendicular to the plane or a sphere along any central axis
the rms voltage of a balanced 3 phase Y connected source is 110 volts at 60Hz. it is connected to a balanced Y Load by 3 distribution lines with an impedence on each line z=1+j2. the load impedence is z=19=j28 per phase.
Write an assembly language program that initialize data X to 0, and then when input device inputs data it is added to X and when output device asks for data the value of X is output. a) Use Programmed I/O Mode of data transfer for inputting and out..
Consider a circuit consisting of a sinusoidal source V s (t) = cos (t) u (t) volts connected in series to a resistor R and an inductor L and assume they have been connected for a very long time. Let r = 0Ohm and L = 1 H.
For a series RC circuit, find ZEQ(s) and then select R and C so that there is a pole at s = 0 and a zero at s = -10 krad/s.
What is the difference between the saturation and active regions of a BJT. What determines which region the transistor is in.
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