When leveling a crane using a standard carpenter’s level, how should it be placed?
a. In two positions, 90 degrees apart
b. In three positions, 120 degrees apart
c. In four positions, 90 degrees apart
d. In six positions, 60 degrees apart
a. In two positions, 90 degrees apart
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A contractor is likely to select and use a specific form system whenever possible because _____.
a. crews are trained in its use b. it is the most expensive c. it is readily available d. contracts require use of that system
Answer the following statement(s) true (T) or false (F)
1. Nonconductive optical fiber cables can be run in the same raceway or cable tray as Class 1 circuits. 2. Plastic optical fibers are a preferred choice in extreme temperatures. 3. Light travels in the form of an electromagnetic wave. 4. There is a difference between the index of refraction between the core and cladding of an optical fiber cable . 5. Loose-tube cable is more commonly used inside a building.
How is wire size determined?
What will be an ideal response?
Repairs to the data bus networks are being discussed. Technician A says to crimp the wires then cover with heat shrink tube. Technician B says any new wires added must be the same length as that removed. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B