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The city of a population of 161,565 has requested to evaluate its solids waste collection system.
Determine:
i) mean time per collection stop plus the mean time to reach the next stop,
ii) number of pickup locations per load
iii) minimum number of trucks the city must own.
Consider the following data:
a) Average truck capacity =18 m3
b) Average observed compaction ratio =3.28
c) Crew size = 2 persons
d) Number of pickups = 1/week (no rear-of-house service)
e) Average number of residence per stop= 2.5
f) Average uncompact density = 122 kg/m3
g) Average transport time to disposal site including delay and dumping = 1.5 h/trip
h) Average number of trips to disposal site =2/day
i) Rest breaks = 2 at 15 min
j) Average maintenance downtime = 36 min/day
k) Average work day = 8 hours
l) Average percentage of truck out of service for majority repairs = 15%
m) Average number of cans per stop = 2.5/wk at 0.0911 m3/can
The new ideas that emerged in the Enlightenment were methods or natural science should be user in everyday life, scientific method, and progress. Elaborate further…
A contractor is trying to estimate the distance to be expected of drawdown of 4.81 m from pumping well under the following conditions:
a) Pumping rate 0.028 m3/s
b) Pumping time = 1066 days
c) Drawdown in observation well = 9.52 m
d) Observation well is located 10.0 m from the pumping well
e) Aquifer material = medium sand
f) Aquifer thickness = 14.05 m
Assume that the well is fully penetrating in an unconfined aquifer.
For the set of data below, determine the 5 number summaries. Construct the resulting box and whisker plot. (20 pts)
5, 3, 8, 6, 1, -10, 3, 9, 7, 4, x, (x is your last digit of your CUNYFirst ID number) my ID is 5
Sam has 6 rose bushes. He counted the flowers on each of them. There are 8, 2, 5, 4, 11 and 9. Find the Standard Deviation. Is X a “Usual” number of flowers? X is your last two digits of your CUNYFirst ID Number. (00 = 0, 01 = 1, …) (20 points) my id is 25
1. Mesopotamian civilization was spread along the banks of river
1. Mesopotamian civilization was spread along the banks of river
Consider some of the most important ways in which developing countries may differ in their economic, social, and political structures
2 Pb(NO3)2 --> 2 PbO + 4 NO2 + O2
How many grams of lead (II) oxide are produced to form 5 grams of oxygen?
How many grams of lead (II) nitrate are needed to make 7 moles of nitrogen dioxide
How many moles of oxygen can be made from 14 moles of lead (II) nitrate?
consider a consumer with income rupees hundred there are two commodities 1 and 2 to choose from if the consumer spends all his income on good one he can buy 5 units of it if he spent all his income on good to he can buy 20 units of it is based on the given information attempt the following
