Standard deviation in the amount produced
A sewage plant produces 50,000 gallons a day. 20% of the time it produces in excess of 60,000 gallons, what is the standard deviation in the amount produced per day.
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The air is now compressed in a polytropic process to 400kPa and 140oC. Determine the amount of heat transfer and identify if it is the heat loss or gain during this process.
The crate slides down the section of the spiral ramp such that r = (0.5z) ft and z = (100 - 0.1t2) ft, where t is in seconds. If the rate of rotation about the z axis is ? = 0.04pt rad/s, determine the magnitudes of the velocity and acceleration o
A tank contains 2500 m3 of salt solution, with a salt concentration of 20 kg/m3. At time zero, salt free water starts to be pumped into the tank at a rate of 20 m3/min.
A charge of 8.00 mC is placed at each corner of a square 1.20 m on a side. Determine the magnitude and direction of the force on each charge.
What is the change of internal energy and enthalpy of 4 kg nitrogen as it changes from 50oC and 100kPa to 100oC and 200kPa?
An oil pipeline was constructed to transport an oil with SG = 0.8 for a distance of 10 miles. The country was hilly, so the line made many ups and downs. These may be considered equivalent to 10 rises of 200 ft, followed by descents of 200 ft.
Calculate the electric field at the center of a square 53.0 cm on a side, if one corner is occupied by a +48.0 µC charge and the other three are occupied by -22.0 µC charges. (Assume the center of the square is at the origin and the po
Determine the amount of heat transfer when this is done during a (i) constant volume process; (ii) a constant pressure process.
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Describe the results, including any scores. Result: E6% Extraverted Action oriented, Outgoing, Expressive, Hands-On S17% Sensing Traditional,
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