What is the role of center feed-in boxes?
What will be an ideal response?
Center feed-in boxes are used to bring the electrical supply cables to the trolley busway. Each box has two adjustable couplings (one on each end of the box) connected by removable flexible jumper wires. In addition, the feed-in box has two sets of concentric knockouts that provide a means of bringing the feeding conduits into the duct system.
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The name most often used to describe the universal joints on a conventional rear-wheel drive vehicle drive shaft is ________.
A) CV B) Spider C) Cardan D) Trunnion
Local building codes are based on the _____.
a. NEC ® b. Southern Building Code c. International Building Code d. regional fire codes
Explain how specific gravity alerts an operator to the hazardous nature of a chemical.
What will be an ideal response?
Potatoes can be fed to hogs; they contain many carbohydrates and therefore must be fed with a protein
supplement
Indicate whether the statement is true or false.