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A Tunable Tank Circuit The RLC circuit in Figure P12-81 (often called a tank circuit) has R = 4.7 kΩ, C = 680 pF, and an adjustable (tunable) L ranging from 64 to 640 μH.
(a) Show that the circuit is a bandpass filter.
(b) Find the frequency range in (Hz) over which the center frequency can be tuned.
(c) Find the bandwidth in (Hz) at the end points of this range.
An 180 m long 100 mm diameter compressed air pipeline is to be run from a stationary compressor to an air-track drill which requires a flow of 780 l/sec. The pipeline contains 2 large radius bends (R=2d) ,and 4 half closed gate valves.
A water sample has bucarbonate concentration of 220 mg/l ( HCO3- )and the PH of the water is 7.9 > Express the approximate alkalinity of this water as mg/l of CaCO3
Determine the equations of the elastic curve using the coordinates x1 and x2. EI is constant. Use the method of integration.
A permeability test was run on a cylindrical soil sample with a length of 175 mm, and a diameter of 75 mm. After 90 seconds, discharge was 300 cm3 under constant head of 41 cm. The sample had a dry mass of 850 g and its ?s was 2.60 g/cm3. Calculate (..
Such that E(total) has units of Joules. Assume that kinetic energy = 1/2mv^2, potential energy = mgh, thermal energy = number, magical energy = ObamaCoef*volume*pressure.
Assuming a gage reading in the approach well(haa) of 13 ft, select a Parshall flume capable ofmeasuring a flow of 700 ft/s without submerging the flow.
A NaOH solution has pOH at 8. How much volume of this NaOH solution is needed to prepare 1 L of a NaOH solution at pOH at 9.
A city near the epicenter of an earthquake sustains major damage to poorly constructed building, althought hospital and schools designed to resist dmage from ground motion sustsain only minor damage.
Four strain gages are mounted at 90o intervals around the circumference of a 100-mm steel shaft. E= 200 GPa, and ? = 0.3. All gages are oriented at an angle of 45o with respect to the longitudinal axis of the shaft.
Water flows through a horizotal 45 deg reducing bend with a 36 inch. diameter upstream and a 24 inch diameter downstream, at the rate of 20 cfs under a pressure of 15 psi at the upstream end of the bend. Neglecting head loss in the bend, calculate..
She plans to deposite 5% of her yearly salery, into retirment fund that earns 7% intrest compounded daily. what amount will accumulate at time of her retirement?
The pollutant has a reaction rate coeeficient k of 0.25/day. Assuming is pollutant is well mixed in the lake, find the steady-state concentration of pollutant in the lake.
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