Which of the following tools is different from the rest with respect to the shape of the nut or screw that it turns?
A. open end wrench
B. combination wrench
C. Allen wrench
D. adjustable wrench
Answer: C
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A weak and fading AM signal could be caused by a bad or ungrounded antenna.
Answer the following statement true (T) or false (F)
Dirty air filters should be cleaned with compressed shop air to restore original air flow.
Answer the following statement true (T) or false (F)
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 diode that functions as a voltage-sensitive AC switch is called a ____.
A. rectifier B. zener C. triac D. diac