To prevent ____ use as little leading angle as possible.
A. spatter
B. burnthrough
C. poor penetration
D. cold lap and slag inclusions
Answer: D
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The median annual earnings of wastewater treatment plant operators was _______ in May 2010
A) 40,770 B) 55,460 C) ?59,770 D) 77,400
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Which of the following is a benefit derived from using a pulsewidth-modulated (PWM) variable frequency
drive (VFD) versus an analog SCR VFD? a. Controlled starting b. Reduced problems with harmonics c. Adjustable torque limiting d. Adjustable operating speed
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A waveform that repeats itself at fixed intervals is called a periodic waveform
Indicate whether the statement is true or false
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The IEEE 802.3 standard defines the Ethernet protocol
Indicate whether the statement is true or false
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