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1. A cone penetration test was conducted in a layer of saturated clay. The cone tip resistance, qc, at 6.7 m below the ground surface was found to be 1245 kN/m2. If the unit weight of the saturated clay is 18.5 kN/m3, estimate the undrained shear strength of the clay.
2. During a field exploration program, rock was cored for a length of 2438 mm and the length of the rock core recovered was 1371 mm. Determine the recovery ratio.
Calculate the series and parallel resonant frequencies of the crystal. - The magnitude and phase of the overall electrical impedance of the crystal at the above frequencies.
How would you orient a loop antenna in order to obtain maximum signal from an incident electromagnetic wave which has its magnetic field linearly polarized in the north-south direction?
The percentage of aliasing level at the cutoff frequency
A ball is thrown vertically upward, which is the positive direction. A little later it returns to its point of release. The ball is in the air for a total time of 8.06 s. What is its initial velocity
Determine the quantizing levels, in terms of σ, so that the entropy at the output of a quantizer is maximized. Assume that there are six quantizing levels and that the quantizer is a zero-mean Gaussian process as in the previous problem.
A Building produce 400 V at 200 A. using individual photovoltaic cells that each produce 0.5 V at 1 A . Include a schematic diagram of your design idea. How many photovoltaic cells are needed for your design.
A three-phase ,600MVA,13.8KV Ac generator has a synchronous reactance of 2.0 per unit. The generator is connected to a system for which specified base fare 100MVA and 345KV.
The charge entering the positive terminal of an element is q(t) =-30e-4t mC. If the voltage across the element is120e-2t V, determine the energy delivered to the elementin the time interval 0
Where f is a constant called the rolling resistance coefficient and W is the vehi- cle weight. For a vehicle weighing, W = 300 kN that is traveling at 100 km/h, calculate the power in kW required to overcome the vehicle rolling resistance for f ..
Show and explain how you could make a 2-bit counter that will count up or down on an external control signal. Explain the difference between the input and output times.
An npn BJT operating with its base-emitter junction forward biased, its base-collector junction reversed biased, and negligiblehole-electron recombination in the base has an emitter current composed of 98% electron flow and 2% hole flow.
Using the frequency sampling method, design a linear phase bandstop FIR filter with cutoff frequencies Ωc1 = π/3, Ωc2 = π/2, and Lh = 13. Realize the design as a frequency sampling filter.
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