The preferred first response to a fire is to _____.
a. leave the controls and fight the fire
b. set the brakes and evacuate the crane
c. stop the lift and lower the load
d. look to the signal person for guidance
c. stop the lift and lower the load
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During testing, all electrical equipment and conductors are to be considered ____________________ until determined de-energized by testing methods.
Fill in the blank(s) with the appropriate word(s).
The production of undifferentiated cells in tissue culture is termed ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following serves as the introduction to the NEC® and provides an overview of the book?
a. NEC Article 90 b. NEC Article 100 c. NEC Section 240.2 d. NEC Section 250.52
?The wall thickness for tubing is measured in ____________.
A. ?thickness in inches B. ?inches or U.S. standard sheet metal gauge C. ?pressure range D. ?thickness in millimeters