How many 2" taps will a 6" main serve?
Fill in the blank(s) with the appropriate word(s).
32
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Which statement best differentiates between limiter and clamper circuits?
A) A limiter limits the both peaks of the output of a given signal, while the clamper limits only one. B) A limiter sets the limit of the peak output of a given signal while the clamper establishes a dc reference level based on the peak output of the signal from which the ac signal will vary. C) A limiter sets a dc reference voltage that the ac signal varies upon while the clamper limits the peak output. D) none of the above
A capacitor circuit carrying 12 mA is placed across a 9-V sine wave ac source. In parallel with the capacitor is a resistor carrying 20 mA. The total circuit current is
A) 12 mA B) 20 mA C) 233 mA D) 23.3 mA
Typical ladder safety systems include a vertical life line cable assembly and ________.
A. bungee cord B. rail system C. number ten noodle D. All answers are correct
The water circuit in shell and coil and coil-type tube-in-a-tube condensers must be cleaned ____.
A. by removing the end caps B. with a brush C. chemically D. by air pressure