When converting square inches to square millimeters multiply by ____.
A. 0.305
B. 1.639
C. 25.4
D. 645.2
Answer: D
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Which symbol in the figure above represents a normally open, timed-open (NOTO) contact of a timing relay?
a. A
b. B
c. C
d. D
Answer the following statement(s) true (T) or false (F)
When driving drywall fasteners it is important not to break the paper surface.
Using the liquid-line ambient temperature approach method to check the charge, if the liquid line is cooler than specified:
A) The system is overcharged. B) The system is charged correctly. C) The amount of charge in the system does not affect the liquid-line temperature. D) The system is undercharged.
How does an oil acid test kit indicate the presence of acid?
A) The test kit produces a strong pungent odor. B) The word "acidic" appears on the test strip. C) By a color change D) The liquid in the sample tube boils.