What is the primary purpose of the NEC®?
a. To provide instruction on correct electrical installations
b. To regulate the tasks performed by electricians
c. To safeguard persons and property from electrical hazards
d. To list all types of electrical equipment and their quality
c. To safeguard persons and property from electrical hazards
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Give examples of various types of sprinkler designs.
What will be an ideal response?
What temperature is LNG stored at in vehicle cryogenic fuel tanks?
A. ambient temperature B. 32 degrees Fahrenheit (0 degrees Celsius) C. 0 degrees Fahrenheit (-17 degrees Celsius) D. -220 degrees Fahrenheit (-140 degrees Celsius)
Atmospheric vapor pressure has little effect on the vapor losses from soil surfaces
Indicate whether the statement is true or false
Which of the following terms is used as the U.S. standard measurement of heat energy to rate A/C specifications?
A. BTU's B. joules C. calories D. watts