The metallic trace elements include iron, manganese, zinc, copper, nickel, and boron
Indicate whether the statement is true or false.
F
You might also like to view...
One of the most important developments ever made by scientists was the invention of the microscope in the 1600s
Indicate whether the statement is true or false
In VAV systems with a return air fan, the fan provides _____
a. the same amount of air that the supply air fan is moving b. more airflow than the supply air fan provides c. the amount of air the supply fan is moving, minus the outside air d. 50 percent of the air that the supply air fan provides
According to the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), the minimum vacuum level in a system should be __________ microns.
A. 1,000 B. 2,000 C. 3,000 D. 5,000
With respect to electric water heater load, explain what off-peak metering means.
What will be an ideal response?