All of the below are coatings used to reduce friction on pistons, EXCEPT _____.

A. Teflon
B. silicone
C. graphite
D. moly


Answer: B

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The greater the number of magnetic lines of force that are cut by a conductor per second, the greater the voltage that is induced in the conductor.

Answer the following statement true (T) or false (F)

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Support units should be adjusted _____.

a. daily b. weekly c. monthly d. as needed

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You built a deck 12 feet by 16 feet. You used 6-inch deck boards running the length of the deck.

a. What is the area of the deck? b. How many of what length deck boards are needed?

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The Public Service Board (PSB) awarded two con­tracts worth a combined $3.07 million to increase the depth of a retention basin and reconstruct a spillway that was severely damaged in a flood 2 years ago. The PSB president stated that, surpris­ingly, the bids were $1,150,000 lower than PSB engineers estimated. If the projects are assumed to have a 20-year life, what is the annual worth of the savings at an interest rate of 5% per year?

What will be an ideal response?

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