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Estimate the annual operating cost of providing refrigeration to a condenser with duty 1.2 MW operating at -5 ºC. The refrigeration cycle rejects heat to cooling water that is available at 40 ºC, and has an efficiency of 80% of the Carnot cycle efficiency. The plant operates for 8000 hours per year and electricity costs $0.06/kWh.
Suggest suitable materials of construction for the following applications: a. A 10,000 m3 storage tank for toluene
If the generated emfs are 200 and 210 V, respectively, determine the load voltage and the armature current of each machine.
Develop the designed circuit using breadboard in the laboratory and discuss the effect of resistors on calibration of the sensor with specific emphasis on the sensitivity of the instrument.
Write a balanced equation for the neutralization of hydrochloric acid by each of these substances. Which of these substances will neutralize the greatest amount of 0.10 M HCl per gram? Explain how you arrived at the answer.
Approximately 2.0 104 gal nitric acid was spilled. Assume that the acid was an aqueous solution containing 70.0% HNO3 by mass with a density of 1.42 g/cm3. How much sodium carbonate was required for complete neutralization of the spill, and how ..
Aniline is produced by the hydrogenation of nitrobenzene. The reaction takes place in a fluidized bed reactor operating at 270 °C and 20 bar. The excess heat of reaction is removed by a heat transfer fluid passing through tubes in the fluidized be..
Derive the following equation for the optimum outside diameter of insulation on a wire for maximum heat loss:
Neglecting stator resistance, leakage reactance, and all losses, if the stator-to-rotor turns ratio is 2:1 and the applied voltage is 100 V, find the rotor-induced emf at standstill and at 0.05 slip.
Develop a block diagram for such a shift register and briefly explain its operation.
The flow rate of methyl acetate in the mixture is to be 100.0lb-mole/h. What must the mixture flow rate be in lbm/h?
Equation (13.65) represents a recursive relationship between a sequence x[n] and its complex cepstrum [n]. Show from Eq. (13.65) that the characteristic system D∗[·] behaves as a causal system for minimum-phase inputs; i.e., show that for minimum-..
A 100-kW, 230-V shunt generator has Ra = 0.05 Ω and Rf = 57.5 Ω.
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