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Consider the balanced three-phase alternating currents, shown in Figure P12.3.4 (a), to be flowing in phases a, b, and c, respectively, of the two pole stator structure shown in Figure P12.3.4
(a), sketch the individual phase flux contributions and their resultants in vectorial form.
(b) with balanced three-phase windings. For instants t = t1, t3, and t5 of Figure P12.3.4
determine the total depreciation cost during the first year.
Carbon monoxide (CO) is burnt in presence of 200% excess pure oxygen and the flame temperature achieved is 2298 K. The inlet streams are at 25 °C.
Aniline is manufactured by the hydrogenation of nitrobenzene in a fluidized bed reactor. The reactor operates at 250 °C and 20 bar. The reactor vessel is approximately 3 m diameter and 9 m high. Suggest suitable materials of construction for this ..
In Number 1 it was assumed that the input and output flow rates could be independently varied. Consider a situation in which the outlet flow rate is a function of the height of liquid in the tank. Write the modelling equation for tank height assum..
determine the unknown process variables.
If the feed quality is changed to 80 mol% vapour, the change in the slope of the q-line isA homogeneous reaction (R ® P) occurs in a batch reactor. The conversion of the reactant Ris 67% after 10 minutes and 80% after 20 minutes. The rate equation..
Evaluate the stability using Rouths Hurwartz criterion and obtain the range of K value for the stability under various controllers and evaluate the relative stability of the system with P and I controllers.
Determine the current and the voltage in the load resistance.
Cunene is made by alkylation of benzene with propylene over zeolite catalyst. To maximize selectivity to desired products, several beds of catalyst are used inside the same reactor.
Example introduced a heat exchange system revamp problem. If the plate heat exchanger E101 in Figure 2.19 is the gasketed-plate type, then the exchanger area can be increased by adding plates to the exchanger. How much additional area must be adde..
What is the pressure of the oxygen gas if the vapor pressure for water at 25°C is 23.8 mm Hg?
________ is current that flows from the mains part of an item of equipment through or across the insulation into the protective earth conductor.
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