The maximum point of a waveform is called the _____.
A. RMS
B. peak
C. peak-to-peak
D. effective
Answer: B
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The rotor frequency can be determined using the formula: ____.
a. 
b. 
c. 
d. 
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The purpose of using bells or tones in a PA system is _______.
A. To assure that the telephone system is tied into the main audio circuit B. To use them as the alert for the fire alarm system C. To help get the attention of the audience before a message is conveyed D. To be able to play music for the entire building
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Indexes are used to compare common characteristics of animals in different regions
Indicate whether the statement is true or false
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Factors considered in selection of an electrode for FCAW include:
A) Shielding gas B) Welding position C) Base metal thickness D) All of the above
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