If a transformer has a ratio of 10 to 1 (10:1), it is being used as a ____ transformer.
A. step-up
B. step-down
C. buck-boost
D. tapped
Answer: B
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Compared to cranes, excavators used as pile drivers _____.
a. have lower overhead requirements b. have higher torque c. have higher horsepower d. can drive to a greater depth
The length of a rod is to be measured by a process whose uncertainty is 3 mm. Several independent measurements will be taken, and the average of these measurements will be used to estimate the length of the rod. How many measurements must be made so that the uncertainty in the average will be 1 mm?
What will be an ideal response?
Where are the compression rings located on the piston?
What will be an ideal response?
Construction lines are drawn with a H4 or H6 pencil.
Answer the following statement true (T) or false (F)