Engineering, 10.04.2020 00:20 kjdskcd4024
A sample of wastewater is diluted 10 times. The diluted solution has an ultimate biochemical oxygen demand (BOD), Lo, of 30 mg/L and a reaction rate constant, k, of 0.20/d. The values of ultimate BOD and the reaction rate constant of the original wastewater are most nearly .
Answers: 1
Engineering, 04.07.2019 16:10
The force on a cutting tool are 2600n vertically downward and 2100 horizontal. determine the resultant force acting on the tool and the angle at which it acts.
Answers: 1
Engineering, 04.07.2019 18:10
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
Answers: 3
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
A sample of wastewater is diluted 10 times. The diluted solution has an ultimate biochemical oxygen...
Computers and Technology, 12.10.2020 23:01
Geography, 12.10.2020 23:01
Mathematics, 12.10.2020 23:01
Computers and Technology, 12.10.2020 23:01
English, 12.10.2020 23:01
Social Studies, 12.10.2020 23:01
Chemistry, 12.10.2020 23:01
Physics, 12.10.2020 23:01
Mathematics, 12.10.2020 23:01
History, 12.10.2020 23:01
Biology, 12.10.2020 23:01
Mathematics, 12.10.2020 23:01