Where is the heartwood of a tree located and what is its purpose?
What will be an ideal response?
Next to the pith is the heartwood, which is hard, mature wood that forms the largest part of the trunk. It strengthens the tree and displays the color associated with a particular species.
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Hot tap machines are used to add a branch connection to a pipeline, vessel, or tank that _____.
a. contains steam b. carries liquid c. cannot be shut down d. operates at high pressure
The Watts riot in 1965 symbolized
A. the still-troubled racial situation in the South. B. the rise of the Black Muslim movement in Los Angeles. C. a more militant and confrontational phase of the Civil Rights movement. D. the power of Martin Luther King in the black community. E. the ineffectiveness of the Voting Rights Act.
What is the name of a hanger system using a threaded rod on each end of a supporting bar or unistrut that supports several pipes in a parallel?
What will be an ideal response?What will be an ideal response?
A fuel pressure gauge would be used to find a fault in all of the following EXCEPT the ____.
A. fuel pump B. fuel filter C. fuel injector D. fuel tank cap