Engineering, 13.11.2020 16:50 LittlestRedTeal8940
A distribution substation serves a 4-mi^2 area that has a peak load density of 2000 kVA/mi^2. The substation employs three equal transformers rated at 3 MVA each. Determine the utilization factor of the substation. (express in %) Your
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During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
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Burgers vector is generally parallel to the dislocation line. a)-true b)-false
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Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
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Engineering, 04.07.2019 18:10
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
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A distribution substation serves a 4-mi^2 area that has a peak load density of 2000 kVA/mi^2. The su...
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