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A 100-kW, dc shunt generator, connected to a 220-V main, is belt-driven at 300 r/min, when the belt suddenly breaks and the machine continues to run as a motor, taking 10 kW from the mains. The armature winding resistance is 0.025 Ω, and the shunt field winding resistance is 60 Ω. Determine the speed at which the machine runs as a motor.
The advanced technologies used for solar power generation
Assume that an As i mplant leads to a uniform electron concentration of 1019 cm·3 down to a depth of 0.1 µm and a mobility of 100 cm2 .V1 .s·1 . Determ ine the resistivity and the sheet resisti vity of the implanted layer.
A continuous filter is used to separate a clear filtrate from alumina particles in a slurry. The slurry has 30% by weight of alumina (specific gravity of alumina = 4.5). The cake retains 5% by weight of water. For a feed stream of 1000 kg/hr, determi..
where and Qp are constants for a given gas-polymer pair. Consider the diffusion of hydrogen through a poly (dimethyl siloxane) (PDMSO) sheet 20 mm thick.
Describe how fuzzy logic might be used in the control of a system for measuring blood glucose levels. What advantages would the fuzzy logic system have over a more conventional system?
in the direct steelmaking reactor based on the reduction of an oxidizing foaming slag by char carbon particles and
Explain in detail the working of the instrument. Description should include neat diagram, principle of working and the source of literature.
Consider the analogy between electrical and hydraulic systems given in Table 1.5.2. Obtain the mass balance equation by equating the rate of change of fluid volume to the net difference between input and output flow. Identify this equation with th..
A profit-producing property has an initial value of $50,000, a service life of 10 years and zero salvage and scrap value. By how much would annual profits before taxes be increased if a 5 percent sinking-fund method were used to determine deprecia..
The production rate obtained in the fourth year is then held constant until the value of the property is paid off. What would have been the annual depreciation cost if the straight-line method based on time had been used?
Develop the four equations and describe the meaning of each term.
question 1 a using appropriate data sources to be cited correctly make a reasonably accurate sketch or graph of a
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