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Three single-phase, 10-kVA, 2400/120-V, 60- Hz transformers are connected to form a three phase, 4160/208-V transformer bank. Each of the single-phase transformers has an equivalent series impedance of 10 + j25 Ω referred to the high-voltage side. The transformer bank is said to deliver 27 kW at 208 V and 0.9 power factor leading.
(a) Draw a schematic diagram of transformer connections, and develop a per-phase equivalent circuit.
(b) Determine the primary current, primary voltage, and power factor.
(c) Compute the voltage regulation.
Determine the longest wavelength (in cm) of X-rays that is still capable of producing diffraction in copper, Cu.
100 moles of Benzene (A) and Toluene mixture containing 50% (mole) of Benzene is subjected to a differential distillation at atmospheric pressure till the composition of benzene in the residue is 33%. Calculate the total moles of the mixture disti..
You are presented with patient X who has a genetic disease. You discover a mutation inall aquaporin2 (AQP2) channels manufactured in the epithelial cells of the collecting ductso that there is no increase in water permeability when the mutated cha..
Determine the minimum number of stages required, and determine the minimum reflux ratio
If this alternator is to generate 60-Hz voltages, find the new synchronous speed, and calculate the new terminal voltage for the same field current.
determine the standard percent return on the total investment and the minimum payout period.
Statistics on the global Nanofiltration market outlook,ie, market trends, size and application. Market drivers and industry structure (market analysis) and likely demand in promising segment such as the water industry or the pharmaceutical ind..
The amount of KOH solution required per hour. the adiabatic temperature of the reaction (no cooling is used
The feed is a saturated liquid at 330 kPa. The recovery of toluene in the distillate should be greater than 99%, and the recovery of ethylbenzene in the bottoms should be greater than 99%.
For this assignment you will undertake an analysis based on a self-designed fictitious study that utilizes statistical analyses. You will first develop a fictitious problem to examine. It can be anything.
Assume you have gas in a cylinder equipped with a piston. There are weights on the piston creating pressure down on the gas.
A strip of metallic scandium, Sc, is placed in a beaker containing concentrated nitric acid. A brown gas rapidly forms, the scandium disappears, and the resulting liquid is brown-yellow but becomes colorless when warmed. These observations best su..
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