____ is the math that most welders use on a daily basis.
A. Geometry
B. Trigonometry
C. Arithmetic
D. Calculus
Answer: C
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A well driller bores a 532-foot geothermal exchange well in 14 hours. Find the average depth drilled in 1 hour.
Fill in the blank(s) with the appropriate word(s).
In refrigeration and air conditioning, safety controls are wired:
A) In either series or parallel with the load they protect. B) In series with the load they protect. C) In parallel with the load they protect. D) In parallel with the power supply.
Of the different power values in an RL circuit, which one is known as quadrature power?
A. VA B. W C. VARs
The hole drilled in sheet metal for a tapping screw should be the approximate size of ____.
A. the thread diameter B. the thread root diameter C. the shank diameter D. none of the above