In a Current Source Inverter, ____________________ is controlled while the voltage is varied to satisfy the motor's needs.
Fill in the blank(s) with the appropriate word(s).
current
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Redwood is grown mainly in
A) Arizona. B) Texas. C) Oklahoma. D) Florida. E) California.
Farmer’s F&S has an order of 210 units of nitrogen per acre to be applied to 538 acres of corn. Anhydrous is 82 percent nitrogen that sells for $843 per ton. An anhydrous buggy weighs 3,300 pounds empty and 7,775 pounds full.
a. How many pounds of anhydrous per acre need to be applied? b. How many tons are needed? c. How many loads are needed? d. What will the anhydrous cost?
Which of the following statements about battery ratings is true?
A. The ampere-hour rating is defined as the amount of steady current that a fully charged battery can supply for 1 hour at 80°F (26.7°C) without the cell voltage falling below a predetermined voltage. B. The cold cranking amps rating represents the number of amps that a fully charged battery can deliver at 0°F (-17.7°C) for 30 seconds while maintaining a voltage above 9.6 volts for a 12V battery. C. The cranking amp rating expresses the number of amperes a battery can deliver at 32°F (0°C) for 30 seconds and maintain at least 1.2 volts per cell. D. The reserve capacity rating expresses the number of amperes a fully charged battery at 80°F can supply before the battery’s voltage falls below 10.5 volts.
Which of these should never be used as windshield washer fluid?
A) Ethylene Glycol B) 50 % Washer fluid and 50% water mixture C) 20 % Washer fluid and 80% water mixture D) Pure water