Q 3 Ninety-eight per cent sulphuric acid is pumped at 4.5 tonne/hour through a 25 mm diameter pipe, 30 m long to a reservoir 12 m higher than the feed point. Calculate the pressure drop in the pipeline. It is given that the viscosity of acid is 25 mN.s/m2 and the density of acid is 1840 kg/m3 and the roughness...
I am getting thrown off by absolute advantage:Boston: Red Socks per worker per hour 3White Socks per worker per hour 3Chicago:Red Socks per worker per hour 2White Socks per worker per hour 1A) Without trade, what is the price of white socks (in terms of red socks) in Boston? What is the price in Chicago?This is my answer to this...
You have invested 8 per cent of your portfolio in an investment with an expected return of 10 per cent and 92 per cent of your portfolio in an investment with an expected return of -7 per cent. What is the expected return of your portfolio? (as a percentage to two decimal places; eg 2.881% is 2.88)) Select one: a....
You have invested 13 per cent of your portfolio in an investment with an expected return of 9 per cent and 87 per cent of your portfolio in an investment with an expected return of 6 per cent. What is the expected return of your portfolio?
A 100.0-tonne spacecraft moving in the +x-direction at 0.49 m/s docks with a 57.0-tonne spacecraft moving in the -x-direction at 0.32 m/s. Find the velocity of the joined spacecraft.
If i am provided with a supply of 2M of sulphuric acid,how can i explain how to prepare 500ml of 0.5M sulphuric?
A company depreciates its motor vehicles based on reducing balance method on strict time basis at the rate of 25 per cent per annum on 31 December each year.Depreciation on its plant at the rate of 10 per cent per annum, straight line method with a full year’s depreciation charged in the year of acquisition and none in the year...
Use strong induction to show that any amount of postage more than one cent can be formed using just two-cent and three-cent stamps. (please be detailed!)
need steps A small post office has only 4-cent, 6-cent and 10-cent stamps Find a recurrence relation for the number of ways to form postage of n cents if the order of the stamps matters, i.e.. different orderings add to the count a. b. How many ways are there to form postage of 20 cents? Fill in the following chart...
Use tables to answer this question.
What quantity of 75 per cent acid solution must be mixed with a 25 solution to produce 480 mL of a 50 per cent solution?
1- Water is pumped through a 9 m long pipe with internal diameter of d-40 mm at the rate of 2.25 m3 per hour. The water inter the pipe at 30 °C and exit at 70°C. Determine: b) The convection heat transfer coefficient between the water and the pipe wall Ans. (103.5 Kw, 2604 W/m2.°C) 1- Water is pumped through...
In your socks assignment, create 5 scenarios, in which your hourly pay rate and the socks per hour change: the current "child labor" scenario ($0.25 per hour, 4 socks per hour)"GM employees " ($63,6)"Weedheads" ($5,1)"McDonalds employees" ($8,8)"Philippinos" ($3,30)We need mroe information on what labor costs we can sustain. Please use goal seel to produce a $ 300,000 profit by changing...
If you're currently making $6.75 per hour and you're offered a new job that pays $7.47 per hour, how much more would you make per hour at the new job?
Transportation Engineering: Question 7 (15 points) Let us assume that transit line parameters are respectively equal: c 120 S per hour v-12 S per passenger hour . r-1000 passengers per hour P- 160 passengers T- 120 min- 2 h C-50 seats Where: c is the transit operator cost per bus hour; v is the value of passenger waiting time per...