Solve and reduce all answers to lowest terms: 3/9 + 5/9 =
What will be an ideal response?
8/9
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The purpose of power factor correction is to make a load appear more ____________, therefore making the power factor closer to 1.
Fill in the blank(s) with the appropriate word(s).
Describe size dimensions.
What will be an ideal response?
An engineer is trying to decide which process to use to reduce sludge volume prior to disposal. Belt filter presses (BFP) will cost $203,000 to buy and $85,000 per year to operate. Belts will be replaced one time per year at a cost of $5500. Centrifuges (Cent) will cost $396,000 to buy and $119,000 per year to operate, but because the centrifuge will produce a thicker “cake”, the sludge hauling cost to the monofill will be $37,000 per year less than for the belt presses. The useful lives are 5 and 10 years for alternatives BFP and Cent, respectively, and the salvage values are assumed to be 10% of the first cost of each process whenever they are closed down or replaced. Use PW evaluation to select the more economical process at an interest rate of 6% per year over (a) the LCM of
lives, and (b) a study period of 8 years. Are the decisions the same? What will be an ideal response?
An internal combustion engine converts chemical energy in the gasoline to thermal energy.
Answer the following statement true (T) or false (F)