Boxes must be marked with the words “DANGER — HIGH VOLTAGE — KEEP OUT” if they house conductors over _____.
a. 240V
b. 480V
c. 600V
d. 1,000V
d. 1,000V
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The inward or outward tilt of the tire at the top is called the ____________________ alignment angle.
Fill in the blank(s) with the appropriate word(s).
Problem 1.39 Knowing that the ultimate load for cable BD is 100 kN and that a factor of safety of 3.2 with respect to cable failure is required, deter¬mine the magnitude of the largest force P that can be safely applied as shown to member ABC.
Which of the following can be used to reduce NOx emissions?
A. Increasing flue gas releases B. Switching to fuel with a lower nitrogen content C. Use of high NOX burners D. All of the above
The voltage rating of wire is determined by ____.
a. the type of material of which the wire is made b. the type of insulation c. its diameter d. its weight