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A 100-kW, 250-V shunt generator has an armature-circuit resistance of 0.05 Ω and a field circuit resistance of 60 Ω. With the generator operating at rated voltage, determine the induced voltage at (a) full load, and (b) one-half full load. Neglect brush-contact drop.
you are an ehamps professional returning home from your plant on a summer friday afternoon at about 4 p.m. you have
what are the implications of the future of fabrication for international trade transportation and
Where 'k1' and 'k2' are rate constants,tR,maxis the time at which the maximum concentration of 'R' is obtain and CR,maxis themaximum concentration of 'R'
Calculate the molar mass of a gas if 2.50 grams occupies 0.0875 liters at 685 torr and 35 degrees Celsius.
Radioactive copper-64 decays with a half-life of 12.8 days. a. What is the value of k in s^-1? b. A sample contains 28.0 mg 64Cu. How many decay events will be produced in the first second?
What is the required flow rate of cooling water to the exchanger between the wasteheat boiler and the absorber and how much heat must be removed by the two heat exchangers cooling the recycled absorber liquid? Why is there a need to remove this heat?
100 gallons per minute flow of water at 50 degrees F passes through a theoretically 100% efficient heat exchanger. The hot side or energy to the heat exchanger is a 510 degree F hot gas (essentially steam).
Determine the current I through the 10-Ω resistor of the circuit of Figure P2.2.5 by employing the node-voltage method. Check by mesh analysis.
Question -3 -the first order reaction A-(B is carried out in tubular reactor in which volumetric flow rate is constant . derive an equation relating to the reactor volume to the entering and exiting concentration of A .
Also find the source voltage that would yield I = -8µA.
The stack gas emerges at 760 mm Hg. Calculate the percentage conversion of hexane, the percentage excess air fed to the burner, and the dew point temperature of the stack gas.
Steam in a closed system is compressed by reversible isothermal process in a heat bath at 250 °C, starting from an initial pressure of 15 bar. During the process, the steam receives 400 kJ/kg of work. Determine the final state and the amount of he..
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