Engineering, 23.10.2019 17:00 tylerkitchen44
Suppose you are looking at the bus routes for chapel hill. it is important that buses arrive on time, and not run late or come too early. you investigate one of the routes and take a 'sample' of 15 circuits, monitoring the time it takes for a bus to complete one full cycle of its route. the mean time to complete the route based on this information was 55 minutes, with a sample standard deviation of 10 minutes. the bus is supposed to take 60 minutes to complete its route. you want to know whether the bus route is completing its route on time with 95% confidence. (assume normally distributed times) construct a null and alternative hypothesis that represents this situation.
Answers: 3
Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
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Engineering, 04.07.2019 18:10
Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i.d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
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Engineering, 04.07.2019 18:20
What is the heat treatment of metals? what is the benefit of it? why and how it's useful? answer in details, do not write by hand.
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Engineering, 04.07.2019 19:10
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
Suppose you are looking at the bus routes for chapel hill. it is important that buses arrive on time...
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