For every 15° above 77°, the life of a lead-acid battery is _____.
a. reduced by 15%
b. reduced by 20%
c. reduced by 50%
d. increased by 20%
c. reduced by 50%
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Some people use the memory aid "Please ____________________ My Dear Aunt Sally" to help them remember the order of operations.
Fill in the blank(s) with the appropriate word(s).
Which type of system is required to be grounded?
a. Systems less than 50V supplied by grounded transformers b. Circuits for cranes that operate over combustible fibers in Class III locations c. AC systems over 1kV that supply mobile or portable equipment d. Circuits for electrolytic cells
Which of the following factors affects the frequency and thoroughness of motor maintenance and testing?
a. horsepower rating b. overcurrent protection c. nature of service d. altitude at the motor location
The core priorities of the CSA program include
A. raising the bar to enter the industry B. requiring operators to maintain high safety standards to remain in the industry C. removing high-risk operators from the roads and highways D. all of the above