Identify kinds of contaminants that we normally find in the water of our lakes and rivers
What will be an ideal response?
Three kinds of contaminants are normally found in almost all naturally occurring water: chemical impurities,
biological impurities, and turbidity
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The PLC recognizes only ____.
A. push-buttons B. pressure switches C. open or closed contacts D. float switches
If low-voltage and high-voltage cables must be placed in parallel runs, they should be separated by at least 6" (150 mm) in order to protect the low-voltage conductors from _____.
a. noise b. corrosion c. heat d. vibration
Competitions with canines are divided into two main branches including
A. Conformation B. Performance C. Tracking D. A and B above E. A and C above
DRAM chips can be combined for larger capacity and word sizes using the same methods as for other memory types
Indicate whether the statement is true or false