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A 15-kVA, 2200:220-V, two-winding, single phase transformer is connected as an auto trans-former to step up voltage from 220 V to 2420 V. Without exceeding the rated current of any winding, determine the kVA rating of the autotransformer, the kVA transformed by transformer action, and the kVA conducted.
The horsepower output from the prime mover to drive the generator at this load.
Determine the current and the voltage in the load resistance.
A process heater uses Dowtherm A heat transfer fluid to provide 850 kW of heat. Estimate the annual operating cost of the heater if the Dowtherm evaporator is 80% efficient and the price of natural gas is $4.60/MMBtu. Assume 8000 operating hours p..
The bulbs, which arestirred and of equal volume, initially contain binary gas mixtures of different compositions.At time zero, the valve is opened; at time t, the valve is closed, and the bulkcontents are analyzed. Explain how this information can..
A mixture of benzene and toluene containing 60 mole percent benzene is to be separated into an overhead product containing 96 mole percent benzene and a bottoms containing 25 mole percent benzene.
Plot of the Fermi distribution function at two different temperatures. Calculate the Fermi timction at 6.5 eV if EF=6 .25 eV and T=300 K. Repeat for T=950 K assuming that the Fermi energy does not change. Plot the energy dependence of the ele..
If a saturated solution of NaHCO3 at 60°C is cooled and comes to equilibrium at 30°C, what percentage of the dissolved salt crystallizes?
what drum speed in r/min is necessary to make the amount of filtrate delivered in 24 h from the rotary filter exactly equal to the maximum amount of filtrate obtainable per 24 h from the plate-and-frame filter?
At a flea market, you've found a very interesting painting done in the style of Rembrandt's "dark period" (1642-1672). You suspect that you really do not have a genuine Rembrandt, but you take it to the local university for testing. Living wood sh..
What is the kinetic energy and the potential energy of ball B at point II? The potential energy is given by PE mgz, where m is the mass in kilograms, g is the gravitational constant (9.81 m/s2), and z is the distance in meters.
Calculate the resistance of the armature circuit and the field circuit.
All that is required is a four-stage counter which, having counted from 0000 to 1001 (i.e., decimal 0 to 9; ten states), resets to 0000 on the next clock pulse. Develop a block diagram of an asynchronous decade counter and show its timing diagram.
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