Caution is advised when working around lead-acid batteries because the battery may contain _____ gas
A) Carbon B) Atmospheric C) Lead D) Hydrogen
D
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When _____ sheet metal or large pieces of metal on the drill press, make sure that they are clamped to the worktable.
What will be an ideal response?
If the input pulse to an RC differentiator is very short compared to the circuit's time constant, then the differentiator's output is ________
A) a square wave very similar to the input voltage B) zero volts C) a dc voltage equal to the peak input voltage D) a dc value of about half the peak input voltage
The radial clearance of a needle bearing is not adjustable.
a. true b. false
When a general duty split-phase motor reaches approximately 75% of its operating speed, the start winding is de-energized by a ____.
A. circuit board B. capacitor C. centrifugal switch D. dual voltage switch