Which of the following statements about the phrase “conducting body that extends the ground connection” is not true?
A. It is defined in the NEC®.
B. It is conduit or wire that extends from the point where an “earth connection” is
made.
C. It is an 8 ft ground rod with a resistance of 25 ohms or less.
D. It is a grounding electrode consisting of the structural metal frame of a building.
A. It is defined in the NEC®.
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In the case of fillet and groove welding symbols, the arrow connects the welding symbol reference line to ____.
A. the top of the joint B. one side of the joint C. the bottom of the joint D. both sides of the joint
Ms. Hill owns The Community Super Market that buys and sells farm produce. She had a contract with Jim to supply the market with 3,500 bushels of corn with 5 percent small grain or less at $6.55 per bushel. Jim delivered 4,280 bushels with 6.5 percent small grain. Jim was docked 0.5 percent for each percentage point over 5 percent small grain. For corn not under contract with 5 percent small grain or less Ms. Hill paid $6.10 per bushel. Jim placed an order for 175-85-80 units of fertilizer per acre to be applied to 545 acres. He also ordered herbicide A to be applied at 1.2 quarts per acre, herbicide B at 1.3 quarts per acre, and herbicide C at 1.5 quarts per acre. Ms. Hill filled the order from the items in Table 17-1.
Jim bought 240 steers weighing 475 pounds. He placed an order with The Community Super Market for a ton of a balanced ration of 16 percent CP and 68 percent TDN. He ordered pesticide pour-on for internal worm and lice control. The items given in Table 17-2 were used to fill the order.
a. What did The Community Super Market pay Jim for his corn?
b. What was the cost of Jim’s fertilizer and herbicide?
c. What was the cost of Jim’s feed and pesticide pour-on? (Note: Find his better buy on pesticide pour-on keeping in mind that he must buy the whole container.)
In a constant-horsepower load, the torque _____.
a. is the square of the speed b. remains the same as the speed increases c. increases as the speed increases d. decreases as the speed increases
When considering an appropriate lime recommendation, the following variable should be considered:
a. Current soil pH b. Crop to be grown c. Organic matter content d. All of the above