The first cost of grading and spreading gravel on a short rural road is expected to be $700,000. The road will have to be maintained at a cost of $25,000 per year. Even though the new road is not very smooth, it allows access to an area that previously could only be reached with off-road vehicles. This improved accessibility has increased the property values along the road from $400,000 to $600,000. The conventional B/C ratio at an interest rate of 6% per year for a 10-year study period is closest to: (choose one)
(a) 1.3
(b) 1.7
(c) 2.1
(d) 2.8
(b) 1.7
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How do brakes work on a long, steep downgrade?
a. They work as the main braking mechanism. b. They work as a supplement to the braking effect of your engine. c. They work as the main braking mechanism with the engine braking effect as an emergency backup. d. Not applicable; no braking effect is involved in a downgrade.
Identify the following components
A source current is often easier to work with—especially when calculating values for ____ circuits—than a voltage source, which drops voltages across series elements.
a. parallel b. perpendicular c. circular d. distant
The price of a quart of oil is $2.79. If a 15% discount is given when a full case of twelve quarts is purchased, what is the price of a case?
A) $5.02 B) $28.46 C) $33.48 D) None of these