When setting up FCAW equipment to provide the proper arc length, set the voltage _____
a. to create a 1/2" (13 mm) arc
b. to create a 1" (25 mm) arc
c. according to the manufacturer's recommendations
d. to ensure the arc does not contact the base metal
c
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____________________ are used to repair a cracked or damaged cylinder.
Fill in the blank(s) with the appropriate word(s).
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Wireless communication takes place over free space through the use of which type of signals?
A) Frequency Modulation (FM) B) Electromagnetic C) Radio Frequency D) Both B and C
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In RC and RL integrators and differentiators, transient time is equal to the:
A) pulse width times five. B) time constant times five. C) time constant. D) pulse width.
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Upper and lower control limits may be derived from logged process data, or from tolerance specifications.