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1. What are three types of sampling? Which one would you use to analyze data input errors?
2. What is the Hawthorne Effect? Have you ever experienced it? When and where?
3. What is a functional decomposition diagram (FDD) and why would you use one? Explain how to create an FDD.
How can aeration improve drinking water quality?What Methods are available to aerate water?
at steady state a device receives a stream of saturated water vapor at 210 degrees c and discharges a condensate stream
A cylindrical pressure vessel has an internal pressure of 500 kPa, 6-mm wall thickness, and an outside diameter of 1.4 m. What is the absolute largest shear stress in the wall of the vessel? What is the largest normal stress?
A microphone having an open-circuit sensitivity of -55 dB is said to have a noise level of 28 dB. For a sound level of 90 dB, what is the voltage output referenced to the noise level?
A 1-m tank contains air at 10oC and 350 kPa is connected through a valve to another tank containing 3 kg of air at 35oC and 200 kPa. Now the valve is opened, and the entire system is allowed to reach thermal equilibrium with the surroundings, which i..
the change in diameter 2.5 in. of a large steel bolt is carefully measured as the nut is tightened. knowing that e 29 x
A mixing drum is accelerated from 50 to 160 rpm in a time of 20 s by a driving torque of 25 Nm. Determine (a) the angular acceleration, (b) the number of complete revolutions turned, (c) the work done, (d) the average power developed, (e) the maxi..
What is the exact after-tax IRR on a two-year project for which the first cost is $12 000, savings are $5000 in the first year and $10 000 in the second year, and taxes are at 40%? It is in the 5-year MACRS property class.
a raindrop of mass 3.36 10-5 kg falls vertically at constant speed under the influence of gravity and air resistance.
A company is trying to decide which machine to purchase based on the following information. If they all have 15 years useful life and MARR is 10%, use incremental rate of return analysis in Excel to decide which one is the best choice. Don't forge..
a room that normally contains 40 people is to be air-conditioned with window air- conditioning units of 5-kw cooling
Prompts the user for the name of his/her jpg file using an input statement. Set up your input statement to expect a string.Uses the imread command to read in the jpg image. Note: the filename will already be a string so don't use single quotes arou..
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