Precast concrete is classified as either normally-reinforced or _____.
a. post-tensioned
b. pre-tensioned
c. preformed
d. pre-stressed
d. pre-stressed
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Arial photos taken at certain intervals and controlled by base stations on the Earth’s surface are used to create:
a. Contour lines b. Cutting-plane lines c. Photogrammetric maps d. Detail drawings
Oil consumption might not stabilize until all parts have seated to one another. The customer should not be concerned until the vehicle has been driven at least ____ miles.
A. 1,000 B. 2,000 C. 3,000 D. 4,000
"Lines of explosion" is another term for ____.
A. centerlines in an exploded assembly drawing and trails B. construction lines in an exploded assembly drawing C. the direction that an exploded assembly drawing has been placed on the page D. the type of method chosen for the final layout of an exploded assembly drawing E. none of the above
Technician A says that the PCV is an emission control device. Technician B says that current vehicles monitor the operation of the PCV system. Who is correct?
A. A only B. B only C. both A and B D. neither A nor B