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A single-phase industrial plant consists of two loads in parallel:
It is operated from a 500-V, 60-Hz source. An additional capacitor C is added in parallel to improve the plant's overall power factor to unity. Determine the value of C in µF. Also sketch the power triangles before and after the addition of C, and find the overall current drawn from the supply.
a. What is the melting point at standard conditions for ammonia? Boling point is given -33.4C. b. What is the enthalpy change for boiling ammonia at 0C?
In the reaction 2C8H18 + 25O2 --> 16CO2 + 18 H2O, the ratio of volumes of O2 to CO2 is ?
Following 5.0 hours of operation, the pellets are reweighed and found to have a mass of 3.52 kg. Calculate the molar flow rate (mol/h) of the feed gas and the mole fraction of water vapor in the product gas.
find the voltage and power at the sending end and the voltage regulation.
Consider an ordinary, helium-filled party balloon with a volume of 2.2ft3 . The lifting force on the balloon due to the outside air is the net resultant of the pressure distribution exerted on the exterior surface of the balloon.
Hello Skgupta. I have a last assignment in Operations Management. I am kindly asking for help. I have attached the problems in a word doc. I will also attach an Excel spreadsheet that will help with the problems. Thnak You! Problems* *Use spreadsh..
The estimated cost of the pipes, per unit length is: schedule 40 carbon steel $5, schedule 80 carbon steel $8.30, stainless steel (304) schedule 40 $24.80. Installation and fittings for all the materials adds $16.5 per unit length. The downtime re..
We have a mixture consistingof 90 mole% 'A' (45 mol/lit) and 10 mole%impurity 'B'(5 mol/lit). To be satisfactory quality the ratio of 'A' to 'B' in the mixture must be 100 to 1or higher.
Check the values given for the discounted-cash-flow rate of return and net present worth. If the company requires a minimum rate of return of 10 percent, which system should be chosen?
Determine the current and the voltage in the load resistance.
find the voltage induced in the armature, given that the number of parallel paths is equal to the number of poles for lap windings.
determine which heat exchanger is cheaper by comparing the capitalized costs.
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