____________________ is used to clean metal so that solder will stick to it.
Fill in the blank(s) with the appropriate word(s).
Flux
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Considered to be the traditional "lock and copy" approach to database backup, _____ require the database to be inaccessible while a backup is created to a local drive.
A. continuous database protections B. online backup applications C. legacy backup applications D. RAID Level 1+0 applications
Which of the following is not a type of form control when considering cylindrical shapes?
A. straightness B. circularity C. concentricity D. cylindricity E. none of the above
An amplifier has a lower cutoff frequency (fC1 ) of 820 kHz and an upper cutoff frequency of 880 kHz. The center frequency (f0 ) of the amplifier is
A) 850 kHz B) 60 kHz C) 120 kHz D) 849 kHz
__________ optical encoders are typically used to measure velocity.
A. Incremental B. Absolute C. Incremental and absolute