Explain the operation of computer-driven warning lamps.
What will be an ideal response?
The computer-driven warning lamp system uses either high-side or low-side drivers to illuminate the warning lamp. Usually the driver module receives a data bus message from the module, which monitors the affected system that the warning lamp needs to be turned on. The driver module then commands the lamp on.
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Before raising the telescoping boom, _____.
a. raise the outriggers b. take off the brakes c. place a barrier around the base d. turn off the motor
The first nationally recommended electrical code was published in _____.
a. 1850 b. 1895 c. 1911 d. 1923
A disease caused by bacteria that grow only in the absence of oxygen is ____________________
Fill in the blank(s) with the appropriate word(s).
If two sides of a triangular lot are 90 feet and 120 feet and meet at a 90-degree angle, the length of the third
side of the lot is _____. a. 120 feet b. 150 feet c. 180 feet d. 240 feet