List the two colors used for acetylene equipment and oxygen equipment
What will be an ideal response?
Acetylene is color-coded red, oxygen is color-coded green.
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Aggregates make up about _____ of the volume of concrete.
A. 10 to 15 percent B. 20 to 40 percent C. 35 to 50 percent D. 60 to 80 percent
Growing points of orchids in culture form ________.
Fill in the blank(s) with the appropriate word(s).
The heater that functions in a thermostat in the heating mode is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
Before attempting to use an electric meter to measure the circuits on a system, the technician should:
A) Understand how the unit and the meter work. B) Disconnect the equipment ground wire to prevent a dangerous ground-loop circuit. C) Start with an inexpensive set of leads in case they burn up. D) Grab a grounded surface with your free hand to give any stray electricity a good path.