Why is a visual check of the heating strips on an electric furnace difficult to accomplish?
A) It is difficult to spot a break in a strip heater because of the small size wire used
B) It is not safe to look at an operating strip heater without wearing protective radiant reflecting headgear made specifically for safe viewing
C) The heaters cannot be seen without removing them from the furnace
D) Electric strip heaters are complex devices
C
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A savvy investor paid $6000 for a 20-year $10,000 mortgage bond that had a bond interest rate of 8% per year, payable quarterly. Three years after he purchased the bond, market interest rates went down, so the bond increased in value. If the investor sold the bond for $11,500 three years after he bought it, what rate of return did the investor make (a) per quarter, and (b) per year (nominal)?
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Dumping is:
a. A tax on imports. b. Selling at less than the total cost of production c. Selling at less than the variable cost of production d. None of the above. e. b and c above.
A complete circuit that is continuous from source through loads and back to ground has ________
A) Congruency B) Continuity C) Both A and B D) Neither A nor B