What duration of combined natural plus supplemental light is commonly used per day for enhancing photosynthesis in crops?
What will be an ideal response?
14 to 18 hours.
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____ motors are often made to have a leading power factor by overexcitation of the rotor current.
A. Unity B. Squirrel-cage C. Wound-rotor D. Synchronous
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Tail flicking and tail whipping are behaviors that indicate that a reptile is _____
a. content b. playful c. ill d. agitated
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Overcurrent devices do not have to be readily accessible if ____.
A. located within a grounded junction box B. the disconnecting means is readily accessible C. the total load of the adjacent circuit does not exceed local standards D. located adjacent to the equipment where access is achieved by the use of portable means
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Which electrode is used for root pas welding steels?
A) E71T-1 B) E7018 C) E6010 D) none of the above
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