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 (C)</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 (B)</p> Signup and view all the answers

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

<p>5.24% (C)</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 (B)</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% (C)</p> Signup and view all the answers

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

<p>16.3% (D)</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 (A)</p> Signup and view all the answers

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

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

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

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

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

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

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

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

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

<p>15 kph/s (D)</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 (C)</p> Signup and view all the answers

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

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

What is the positive mean proportional between 5 and 20?

<p>10 (B)</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 (B)</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 (D)</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 (A)</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 (B)</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 (A)</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 (C)</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 (D)</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 (C)</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 (A)</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 (A)</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 (B)</p> Signup and view all the answers

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

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

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