A midcareer engineer hopes to have $2 million available for his use when he retires 20 years from now. He plans to deposit a uniform amount semiannually, beginning now and every 6 months thereafter through the end of year 20. If his investment account has a yearly return of 8% per year, compounded quarterly, the interest rate, i, that must be used in the A?F equation to determine the size of the uniform deposits is:
(a) 2%
(b) 8.24%
(c) 8.00%
(d) 4.04%
(d) 4.04%
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What is the pressure that particular gas, contained in a mixture of gases, would have if it were alone in the container?
A) Vapor pressure B) Gauge pressure C) Partial pressure D) Vacuum pressure
What effects might there be on human health and recreation? Note that the Ganges is a source of drinking water, water for washing, and has a spiritual significance to the surrounding population.
The Ganges River, shown in Figure 4.66, has an annual average flow rate of 12,105 m3/s. The average temperature of the Ganges River was reported to be 24.6ºC. The Ganges has become contaminated with raw sewerage and industrial waste so that the dissolved oxygen in the river upstream of sewerage discharges is 4.6 mg/L. Suppose that the raw sewerage that is untreated flows into the Ganges at a rate of 460 m3/s, the temperature is 25ºC, and the dissolved oxygen in the sewerage stream is completely depleted (i.e. DO = 0). How would you develop a plan for improving water quality in the Ganges River? What will be an ideal response?
Explain what a net meter is
What will be an ideal response?
The __________ refers to the response time of the instruments in a control loop.
A. time lag B. dynamic response C. dead time D. pure lag