Which of the following pulls requires the length of the box to be no less than eight times the trade diameter of the largest raceway?
a. Straight pull
b. Angle pull
c. U pull
d. Circle pull
a. Straight pull
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In the ____ section of the business continuity policy, the training requirements for the various employee groups are defined and highlighted.
A. scope B. training requirements C. roles and responsibilities D. special considerations
?A procedure for calculating an average that relies on the most numerous value in a distribution is the ____.
A. ?median B. ?mode C. ?standard deviation D. ?mean
To break up very large boulders, specialists use a technique known as _____.
a. snakeholing b. delay pattern blasting c. blockholing d. time-delay blasting
Key safety aspects that should be checked during a planned maintenance service call for any combustion appliance include (you may select more than one):
A) CO levels in flue gas and around unit. B) Combustion air. C) The presence of CO2. D) Vent system integrity. E) Furnace cabinet temperature.