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The rotor of a wound-rotor induction motor is rewound with twice the number of its original turns, with a cross-sectional area of the conductor in each turn of one-half the original value. Determine the ratio of the following in the rewound motor to the corresponding original quantities:
(a) Full-load current.
(b) Actual rotor resistance.
(c) Rotor resistance referred to the stator. Repeat the problem, given that the original rotor is rewound with the same number of turns as originally, but with one-half the original cross section of the conductor. Neglect the changes in the leakage flux.
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What is the empirical formula of this compound and does this compound behave as an ideal gas
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The feed media to a fermentation reactor consists of glucose solution in water with added nutrients and has specific gravity 1.03 at 40 ºC. Determine the size of control valve to use for a normal design flow rate of 0.2 m3 /h if the valve is sized..
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Limestone (calcium carbonate) particles are stored in 50-L bags. The void fraction of the particulate matter is 0.30 (liter of void space per liter of total volume) and the specific gravity of solid calcium carbonate is 2.93. (a) Estimate the bulk..
Select any process/chemical engineering topic of your interest and in about 1000 words explain how modeling is involved in its study and development. regards Mohammed
200 kg of carbon dioxide are stored in a tank at 25 °C and 70 bar. Is carbon dioxide an ideal gas under the conditions in the tank?
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