If the solid-state output of a programmable controller is intended to control an AC voltage, the output control device will be a ____.
a. CPU
b. triac
c. LED
d. transistor
b. triac
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If contactor action is dependant on current flow, the contactor is described as _____.
a. electrically held b. mechanically held c. reversing d. solid state
Thomas had 90 acres of peanuts. He used a four-row digger and an eight-row combine for 36-inch rows. He dug 8.6 acres per hour and could combine 11/ /3 of the acres dug per hour.
a. How many hours did it take to dig the peanuts? b. How many hours did it take to combine the peanuts? c. How many hours did it take to harvest the peanuts?
Cows in a cow-calf operation are fed primarily ____________________
Fill in the blank(s) with correct word
An engineer deposited her annual bonus of $10,000 into an account that pays interest at 8% per year, compounded semiannually. If she withdrew $1000 in months 2, 11, and 23, what was the total value of the account at the end of 3 years? Assume no interperiod compounding. (Note: See Problem 4.65 for additional analysis of this series.)
What will be an ideal response?