What are three advantages and one disadvantage of hydroponic growing systems over soil culture?
What will be an ideal response?
• Plant nutrition can be completely controlled.
• Yield per unit area is greater.
• The need for weed, disease, and insect control is greatly reduced.
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Company policy is set by the:
A. Owners B. Board of directors C. Both A and B D. Neither A nor B
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How many liters of liquid are in a five-gallon container that is half full?
a. 5.14 b. 8 c. 9.46 d. 18.9
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When should DTCs be cleared?
A) After consulting TSBs B) After pinpointing a problem cylinder C) After the problem has been verified. D) After the repair has been verified.
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What is commonly referred to as an oil seal?
A. O-ring B. packing seal C. radial lip seal D. mechanical seal
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