List the three conditions in which systems operating at 50V or less must be grounded.
What will be an ideal response?
When the main transformer supply exceeds 150V to ground, when supplied by and ungrounded transformer, when installed outside as overhead conductors.
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A structural ceiling may not ____.
A. contain any wiring B. contain any lighting C. be a suspended or drop type D. contain ductwork
Actinomycetes tend to dominate soils that are either very acid, very cold, or very dry
Indicate whether the statement is true or false
Initially, turfgrass plants should be spaced at:
A. 36-40 plants per square inch. B. 12-14 plants per square inch. C. 5-7 plants per square inch. D. 20-25 plants per square inch.
Cargo that is not loaded or secured properly can cause:
a. Injury to the driver during a quick stop or crash. b. Other highway users to hit or be hit by loose cargo. c. Vehicle damage by overloading. d. All of the above.