Electronic control circuits generally are direct current circuits with their own power supply, usually an AC to AC diode rectifier.
Answer the following statement true (T) or false (F)
False
Rationale: Electronic control circuits generally are direct current circuits with their own power supply, usually an AC to DC diode rectifier.
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The normal position of as valve or damper is which of the following?
A) The position (open or closed) that the device assumes with no signal. B) The mathematical mean position of the valve. C) The position on the device when normal operations are in effect.
Jill has 220 sows. She has one-fifth of the sows farrowing at a time. The sows average 8.8 pigs per litter twice a year. She sells her pigs averaging 48 pounds for an average price of $78.50 per head.
a. How many sows are farrowing at a time? b. How many pigs are expected per farrowing? c. How many pigs per year are expected? d. What yearly income is expected from the sale of the pigs?
Dropping or piling steel framing members on top of an electrical extension cord could create a(n) _____.
a. tripping hazard b. fire hazard c. unusable framing member d. electrical hazard
Disc brakes have many advantages, some of which are listed below. Which of the following statements does NOT apply to disc brakes?
A) They are self-cleaning. B) They are self-energizing. C) They resist fading. D) They dissipate heat faster.