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A unidirectional E-Glass fiber-epoxy composite material contains 61% by volume E-Glass fibers stressed under isostrain conditions. The E-Glass fibers have a tensile modulus of 10x106 psi, and a tensile strength of 0.35x106 psi. The epoxy matrix has a tensile modulus of 0.45x106 psi, and a tensile strength of 9.0x103 psi. What is the strength of the composite material and what fraction of the load is carried by the E-Glass fibers?
A simple plate capacitor can store 6.5x10-5 C at a potential of 10,000 V. What dielectric constant must the material between the plates have if their area is 6.0x10-5 m2 and they are 0.16 mm apart?
It is desired to produce 5 cubic yards of concrete with a ratio of 1:1.8:3.5 (by weight) of cement, sand, and gravel. What are the required amounts of the components if 5.5 gallons of water per sack of cement is to be used? Assume the free moisture contents of the sand and gravel are 3% and 0.75% respectively. The specific gravities of the cement, sand, and gravel are 3.15, 2.65, and 2.65 respectively. (1 sack of cement weighs 94lb, and 1ft3 of water=7.48 gallons). Give the answere for cement in sacks, the sand and gravel in pounds, and the water in gallons.
A signal conditioner is constructed with a INA114 instrumentation amplifier. A feedback resistor of 750 O is used. Determine the gain of the amplifier.
Compute z in decibels required to give PE = 10-7 for noncoherent, binary FSK and for DPSK. For the latter, carry out the computation for both the optimum and suboptimum detectors.
1. Define the function f[n] = en/4 sin(n/10)u[n] using Matlab inline function. Plot this function using stem command over [5, 20]. 2. Use Matlab inline and stem functions to plot u[n] and delta[n] over [10, 10]. 3. find out what Matlab filter functi..
A) Design a sequence detector using D flip-flops to detect the sequence 1101with the overlapping permitted. B) Design a synchronous counter using J-K flip-flops that hasthe following sequence:- 000,010,101,110 and repeat.
A 220V dc shunt motor draws 10A at 1800rpm. The armature circuit resistance is .2ohm and the field winding resistance is 440 ohm.what is the torque developed by the motor
What is the Abnormal Operating Condition and Causes of Induction Motors ??
Consider an NMOS transistor having kn=10mA/V2. Let thr transistor be biased at Vov= 0.5V. If a 0.05-V signal is superimposed on VGS, find the corresponding increment in collector current by evaluating the total collector current iD.
Determine the Voltage across the electrical model of a cell membrane in a nerve cell
what is the range of numbers that can the represented by a 4-bit two's complement representation A 5-bit representation A 16 -bit representation
Can protons every flow through current? Even though in the overwhelming majority of cases the current flowing through a material is dominated by the movement of electrons"
The power consumption of a single-phase electric load fed froma 120V source is represented by: P(t)=100 (1-e-t/10)KW where t is the unit of time inhours. compute the energy consumed by the load over the period of 24 hours.
An 8 pole, three phase 50kVA, 220V, Y connected synchronousgenerator has a synchronous reactance of 4.8ohms per phase andoperates in stand-alone. Neglect all loses. The field voltage isadjusted to give rated voltage across the output terminal at n..
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