An example of the sexagesimal numerical system is:
a. 30°20?45??
b. 30 mi. 25?
c. 4:30
d. 1.2 rad
a. 30°20?45??
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____ detectors use beams of light to respond to smoke particles visible to the naked eye during development of a fire.
A. Photoelectric B. Heat C. Fire flame D. Smoke
Mild steel weld coupons can have the welds removed using an OFC torch, but welds on stainless and aluminum coupons will have to be cut out with a(n) ____________________ torch.
Fill in the blank(s) with the appropriate word(s).
The outer electron shell is known as a(an) ___________
A) Unstable shell B) Valence ring C) Distant ring D) None of these
Which of the following is NOT used in writing an expression?
A) Reference numbers that store the value. B) Operators such as +, -, and <>. C) Functions such as ABS and TRUNC. D) Tag names that store the value.