A common cause of arc faults is _____.
a. rodents chewing through insulation
b. cords damaged by furniture movement
c. overuse of switches
d. water damage
b. cords damaged by furniture movement
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The ____________________ pressure gauge shows the regulated pressure being controlled for the torch.
Fill in the blank(s) with the appropriate word(s).
During a crane lifting operation near energized power lines, it is important to _____.
a. use steel tag lines for load control b. place the signal person behind the crane for safety c. have the signal person in constant contact with the crane operator d. have many workers standing by to help in case there is an accident
Orthographic projection is any projection of the features of an object onto an imaginary plane called a pictorial plane.
Answer the following statement true (T) or false (F)
If your home currently has a whole house HVAC system for heating, cooling, or both, you may be able to save money by dividing the system into two or more ____________________.
Fill in the blank(s) with the appropriate word(s).