Engineering Economic Analysis Quizzes
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Questions and Answers

What is the EAC for the series of five pumps?

  • $1800
  • $2497 (correct)
  • $3000
  • $2000
  • What is the capitalized cost of the hydroelectric dam project?

  • $250M
  • $200M
  • $325.3M (correct)
  • $400M
  • What is the total depreciation claimed as an expense by the firm?

  • $280,000.00
  • $400,000.00
  • $200,000.00
  • $335,717.50 (correct)
  • Ilene can qualify for a $100,000 mortgage at 9% interest. What is her monthly payment without the extra 10% payment?

    <p>$822.68</p> Signup and view all the answers

    Why did the state highway department decide to replace the bridge later instead of repairing it now?

    <p>Lower overall cost</p> Signup and view all the answers

    What is the IRR for Ralph's investment in the Series E savings bond?

    <p>5.24%</p> Signup and view all the answers

    How soon will Ilene's mortgage be paid off if she makes the extra 10% payment each month?

    <p>20.7 years</p> Signup and view all the answers

    What is the implied interest rate for choosing to replace the bridge later rather than to repair it now?

    <p>24.6%</p> Signup and view all the answers

    Should Golden Valley Manufacturing install the asynchronous conveyor with a 10% interest rate?

    <p>16.3%</p> Signup and view all the answers

    How much will the compensation for loss of income be for the engineer's family?

    <p>$1,125,000</p> Signup and view all the answers

    What was the engineer's salary at the time of their death?

    <p>$45,000</p> Signup and view all the answers

    In what class is the qualified property purchased by the firm typically categorized?

    <p>7-year class</p> Signup and view all the answers

    What is the salvage value of the equipment after three years?

    <p>P8,000</p> Signup and view all the answers

    What is the company's rate of return on the money?

    <p>10%</p> Signup and view all the answers

    What is the magnitude of the average acceleration of the car?

    <p>15 kph/s</p> Signup and view all the answers

    What is the break-even point for the entrepreneur selling musically vibrating plants at $40 each?

    <p>$60</p> Signup and view all the answers

    Which type of bulb has the longest lifespan among incandescent, fluorescent, and halogen bulbs?

    <p>Fluorescent bulb</p> Signup and view all the answers

    What is the positive mean proportional between 5 and 20?

    <p>10</p> Signup and view all the answers

    What is the work needed to pump all the water in a hemispherical tank to a height of 10.0 ft above the top of the tank?

    <p>870,000 ft lb</p> Signup and view all the answers

    Where is the centroid of the area bounded by the parabola, x-axis, and the line x = 1?

    <p>3/4 ft</p> Signup and view all the answers

    At what time do ship A and ship B cease to approach each other, and how far apart are they at that time?

    <p>1.28 hours and 19.2 miles</p> Signup and view all the answers

    When 25 ft of rope is out, how fast is the boat approaching the dock if the rope is hauled in at a rate of 4 ft/sec?

    <p>-25/6 ft/s</p> Signup and view all the answers

    In what direction must a motorboat move to go due east across a river flowing south at 125 ft/min, if its speed in still water is 475 ft/min?

    <p>N74°40’E, 458 ft/min</p> Signup and view all the answers

    Given a plague occurs in a certain period, what is the probability that a famine will also occur during that period?

    <p>0.385</p> Signup and view all the answers

    What is the probability of randomly selecting a person with a height between 155 cm and 173 cm from the group of 500 people?

    <p>0.68</p> Signup and view all the answers

    If a random group of 10 people is selected from the total of 500, what is the expected number of people with heights less than 140 cm?

    <p>3</p> Signup and view all the answers

    What is the probability that all five people in a random group have heights less than 165 cm?

    <p>0.86</p> Signup and view all the answers

    What is the work done in pumping water to fill half of the hemispherical tank with radius 20 ft to its top?

    <p>3,445,934 ft-lb</p> Signup and view all the answers

    What is the final velocity of a 240-kg box pushed by a man with a force of 130 N over a distance of 3.5 m on a frictionless surface?

    <p>-2.46 m/s</p> Signup and view all the answers

    What is the magnitude of vector B = 4i + j - 3k?

    <p>$\sqrt{26}$</p> Signup and view all the answers

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