A(n) ____________________ is a non-metallic joint to prevent current flow from one piece of pipe to another.
a. insulating point
b. electrolyte
c. ground bed
d.anion
ANSWER: a
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Which of the following is true regarding material hoisting?
a. A five-gallon bucket is ideal for this purpose. b. Secure loose materials with a rubber band before hoisting overhead. c. Use a bolt bag to hoist loose materials. d. Tape tools to structural members when hoisting overhead.
What shift mode should be used when descending a steep hill?
A) Second (2) B) Low (L) C) Drive (D) D) Neutral (N)
A system that maintains temperatures of -250°F and below is:
A) A low temperature system. B) An ultra low temperature system. C) An absorption system. D) A cryogenic system.
On lathes where speed changes are made by shifting belts on step pulleys, the shift to low speed range is made by:
A) Moving the back gear lever forward with the spindle running B) Shifting the belt tension lever and engaging the back gear C) Disengaging the bull gear lock pin and moving the back gear lever with the spindle running D) Engaging both the bull gear lock pin and the back gear