?Ultraviolet treatment may improve such surface characteristics as resistance to ____.
A. ?stress cracking
B. ?chemicals
C. ?abrasion
D. ?weather
Answer: D
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Fiber-optic cable that consists of two cables is called _____.
a. dual-core b. duplex c. coaxial d. multi-fiber
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Name the four parts of a typical mechanical dimension.
What will be an ideal response?
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Heat exchangers used in steam systems are usually _____
a. water-to-steam b. steam-to-air c. steam-to-water d. steam-to-steam
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A gas furnace puts out 60,000 Btu/h to compensate for heat loss from a house located in Minnesota. What is the equivalent value of thermal power (thermal energy per unit time) output of the furnace in watts?
What will be an ideal response?
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