Engineering, 06.04.2020 16:24 yoyo1542
Carbon tetrachloride has a drinking water standard with a Maximum Contaminant Limit (MCL) of 0.005 mg/L. Potency factor is 0.13 (mg/kg-day)-1 for oral route. Assuming a 70 kg person drinking 2 L for 70 years, what is the upper-bound cancer risk for an individual?
A. 1 in 10,000
B. 1 in 100,000
C. 2 in 10,000
D. 2 in 100,000
Answers: 2
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
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
Engineering, 04.07.2019 18:10
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
Answers: 2
Engineering, 04.07.2019 18:10
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
Answers: 2
Carbon tetrachloride has a drinking water standard with a Maximum Contaminant Limit (MCL) of 0.005 m...
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