On a vernier transit level, the line of sight is perpendicular to the horizontal axis when the telescope level
bubble is centered and the vertical circle/arc is set at _____.
a. 0 degrees
b. 90 degrees
c. 180 degrees
d. 270 degree
a
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Which of the following is a typical step in the shutdown procedure for a pump?
A. Drain the pump. B. Cool down the equipment. C. Prepare the pump for maintenance. D. Ensure the flow rate is as expected.
What is a major advantage of a valve rotator?
A. sharper interference angle may be used B. reduce carbon buildup on seat C. lower tension valve springs can be used D. exhaust valves run cooler
? Most residences with modern hydronic heating systems use ____________________ baseboard heat transfer for terminal heating units.
Fill in the blank(s) with the appropriate word(s).
What is the effect of crosslinks on an elastomer and what is the structural explanation for their effect? What would happen to the amount of stretch, hardness, strength, and creep in an elastomer if the crosslink density were increased?
What will be an ideal response?