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A balanced three-phase, wye-connected, 2400- V, 60-Hz source supplies two balanced wye connected loads in parallel. The first draws 15 kVA at 0.8 power factor lagging, and the second needs 20 kW at 0.9 power factor leading. Compute the following:
(a) Current supplied by the source.
(b) Total real and reactive power drawn by the combined load.
(c) Overall power factor.
what is the total filtering area required to deliver 30 ft3 of filtrate in 1/2 h?
Estimate the cost of the steel for the spherical storage tank in the preceding problem if the steel sheet costs $0.25 per pound. On the basis of the data presented in Fig. 14-56, estimate the fraction of the purchased cost of the tank that is due ..
6. Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field? 7. What is the chemical symbol for gold? 8. K is the chemical symbol for which element?
Calculate the induced armature voltage at rated load and terminal voltage. Take 2 V as the total brush-contact drop.
Use tabulated thermodynamic data to find ΔG° for this reaction at the standard temperature of 25°C. Then calculate the calculate ΔG°1000 for this process when it occurs at 1000 K.
Determine the efficiency when the transformer delivers a load of 2 kVA at 0.85 power factor lagging.
A toroid with a circular cross section is shown in Figure P11.2.3. It is made from cast steel with a relative permeability of 2500. The magnetic flux density in the core is 1.25 T measured at the mean diameter of the toroid.
Draw a block diagram for the controlsystemaste your question here...
A sealed rigid tank is filled with 1 kg of steam at 200 °C and 10 bar. What is the volume of the tank? 0.5 kg of steam are removed from the tank. If the temperature remains at 200 °C, what is the new pressure in the tank?
Manometers connected across the venturi and the orifice contain a non-miscible liquid (sp gr = 1.56) in contact with the liquid mixture
question 1a with the help of a labeled drawing discriminate between the first-stage biochemical oxygen demand bod and
Find an expression for the natural response of the circuit.
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