What is the common operating voltage range on the cells of electronic air cleaners?
A) 480 to 600 volts DC B) 6,000 to 10,000 volts DC
C) 120 to 240 volts AC D) 25,000 to 50,000 volts DC
B
You might also like to view...
For floating structures that are installed to rise and fall in response to the water level without lateral movement, the electrical datum plane is 30" above the point at which the floating structure touches the water and a minimum of how many inches above the deck level?
a. 12" b. 15" c. 20" d. 35"
The average soil mixture consists of _____ percent organic matter
A) ?1.2 B) ?10 C) ?5 D) ?8.4
What is the unit for admittance?
A. Siemen B. Farad C. Ohm D. Henry
The wiring and connectors that carry the power to a motor must be in good condition. When a connection becomes loose, oxidation of the copper wire occurs. The oxidation ____.
A. has no effect on the electrical connection B. acts as an electrical resistance and causes the connection to heat more C. decreases the resistance D. none of the above