Describe the process of leaching salts from existing media
What will be an ideal response?
Sometimes leaching salts from potting media is more practical than replacing the media. Multiple
waterings during a short time span, perhaps one day, allow salts to stream through the media and wash
out through the pot’s drainage holes. Excess leachate should be drained away as soon as possible from
the plant. This type of preventive work is messy, and, therefore, cannot easily be performed at the
interiorscape site. It may be beneficial to temporarily replace the plant to be leached with another. As
part of regular maintenance, plants may be rotated this way, some on display and some at the
interiorscape home site.
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There are four main classifications of construction: residential, commercial, industrial, and ____.
A. electrical B. transportation C. civil D. private
What type of filters have a simple design composed from a resistor and an inductor?
A. Low pass B. RL C. High pass D. Active
If a 4.7 ?F capacitor and a 10 k? resistor are connected in series across 25 VDC, approximately how much voltage will the resistor drop after charging for just one time constant?
A) 23.8 V B) 15.8 V C) 9.20 V D) 21.6 V
Technician A says that structural aluminum replacement parts can be welded into place using the resistance spot welder. Technician B says all vehicle manufacturers require aluminum parts to be flame treated before adhesively bonding them. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B