Semiconductors contain ____ valence electrons.
a. two
b. four
c. six
d. eight
b. four
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When the ____ symbol is used, a length dimension is not needed.
A. weld-all-around B. weld-around C. weld-full D. weld-completely
A CAD operator realizes that it takes 36 minutes to plot a drawing. How long in hours will it take to plot 30 hard copies of the same drawing?
What will be an ideal response?
Which one of the following statements about the SQI sequencer is NOT true?
A) The SQI is like an equal comparison instruction but a mask is added, and multiple word combinations can be compared. B) The initial position value is 0 and the length is the number of bits in the mask. C) The source parameter contains the address of the input data word to be compared against the sequencer file words. D) The PLC 5 uses file registers and the control register; the ControlLogix uses tags, arrays, and a control tag.
Inspection of the yaw drive units may include: addition of gear oil, checking mounting hardware, and ________.
A. checking for leaks B. adjusting motor brake disk clearance C. cleaning the assembly D. All answers are correct