The scale which permits reading a micrometer to .0001 inch is called the:
A) Micro B) Vernier C) Milli D) Decimal
B
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Potential or voltage transformers are _____.
a. buck-and-boost transformer b. three-phase transformers c. control transformers d. single-phase transformers
? Identify and state the historical significance of Jack Dempsey.
What will be an ideal response?
Compute the length of side a in inches rounded to 3 significant digits.
Fill in the blank(s) with the appropriate word(s).
An air conditioner with a thermostatic expansion valve is operating with a condenser saturation temperature of 95°F and a liquid-line temperature of 92°F. The factory-specified subcooling for the current operating condition is 10°F. The technician should:
A) Move some of the charge from the low side of the system to the high side of the system to balance the charge. B) Leave the charge alone because it is cooling even better than factory specifications. C) Add charge because the system is undercharged. D) Recover charge because the system is overcharged.