How many significant digits are in the number 5,000,000?
Fill in the blank(s) with the appropriate word(s).
Answer: 1
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Class 2 or Class 3 conductors may be run in the same raceway with Class 1 circuits provided _________.
A. They are functionally associated B. They are separated by a solid and firmly fixed barrier C. That there is a 2 inch separation between the conductors D. They are carrying less than 150V
Answer the following statements true (T) or false (F)
1) The first step in conducting an accident investigation is to identify eye witnesses. 2) A primary or eye-witness is one who actually saw the accident occur. 3) A secondary witness is one who was not present at the accident but has relevant information about it. 4) You should never conduct interviews at the scene of the accident because you might damage evidence. 5) Safety professionals who focus on finding fault rather than finding facts will not be effective accident investigators.
Coarse-grained rocks tend to produce ____________________ soils
Fill in the blank(s) with correct word
How is the equivalent length of a duct determined?
A) Add the trunk duct length to takeoff and the branch duct length. B) Add the trunk duct length to takeoff with the branch duct length and subtract the equivalent lengths of all fittings used from blower to register. C) Add the trunk duct length to takeoff, the branch duct length, and equivalent lengths of all fittings used from blower to register. D) Add the equivalent lengths of all fittings from blower to register.