Area measurements are used to measure:
A) Location within a city. B) The space in a room.
C) The distance between cities. D) The size of a floor in a room.
D
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Bonding is often provided in order to ensure that systems have ____.
a. electricity b. electrical continuity c. security d. electrical connectivity
Flour corn is more resistant to fungi and insects than is flint corn
Indicate whether the statement is true or false
Timers are generally programmed in ____ intervals.
a. 0.1-second b. 0.5-second c. 1.0-second d. 2.0-second
Why should oil or grease never be used to lubricate oxygen or acetylene regulators?
A) It can result in valve damage due to corrosion. B) It will result in the loss of the manufacturer's warranty. C) It can react with certain chemicals or materials and result in an explosion. D) It decreases the accuracy of the gauges.