A(n) ____ is often used for testing and performance evaluations.
A. pictorial assembly
B. prototype
C. engineer's sketch
D. research and development sketch
E. none of the above
Answer: B
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Under what conditions would the borrowing of new material from a borrow pit for a highway embankment be preferred over using material excavated from an adjacent section of the road?
What will be an ideal response?
Listlessness, failure to eat, and difficulty breathing are signs of ____________________
Fill in the blank(s) with correct word
How can the magnetism produced by a flowing electrical current be intensified enough to produce useful work?
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